Manual testing services are useful for catching visual bugs, validating UX flows, and handling edge cases. Many QA teams use it during early software development or for fast-changing UIs.
But there are key differences in the way the services handle testing, and those differences can cost you delayed results, unclear instructions, unpredictable environments, and vendor lock-in.
If you’re exploring manual testing services, look for options that prioritize speed, clarity, and scalability.
We’ve found six main areas that set manual software testing services apart:
- How quickly you can get started and see results
- What tools or practices are in place to help mitigate miscommunication
- What environment the tests are executed in
- How easy it is to understand test failures, reproduce bugs, and sort through results
- How easily and quickly you can scale testing up or down
- How scalable it is to onboard automated testing after development
Keeping these differentiators in mind, we reviewed and compared 11 manual testing services.
Want faster, more reliable testing without hiring more testers? Rainforest QA blends the speed of automation with the flexibility of manual testing, powered by a global community of QA specialists. Learn how our platform helps you move beyond traditional manual testing and ship quality software faster.
1. Rainforest QA: A fast and reliable software testing solution

Rainforest QA is a software testing service for teams that want fast and reliable results. It avoids the chaos of traditional crowdsourcing, where testers often lack clear instructions or product context.
We pair dedicated Test Managers with powerful QA tools, giving you fast, scalable software testing that fits into your development cycle.
- Software: Rainforest’s no-code QA platform lets you build and manage an automated QA testing program without writing a single line of code.
- Service: We provide two dedicated Test Managers who understand your software like an internal hire. They embed in your team’s workflows and run fully scripted tests that return results within 17 minutes, with video replays and bug details.
Most manual testing companies create and manage your entire QA program for you. They take weeks to onboard and try to piece together your QA needs over time.
But once testing begins, these test cases break when you make minor changes to your app. Instead of building new features, your developers end up fixing brittle scripts that no longer reflect your UI.
Although manual testing is useful when your software is under development or needs human judgment, it’s not scalable on its own.
Rainforest QA has worked with 17k+ companies to develop the best software testing services that speed up your releases. We skip the long onboarding delays. Your Test Managers help define your QA strategy and get your test plan running fast.
We automate your repetitive test flows, like smoke suite and regression tests. For test cases that require human judgment, your Test Managers work closely with your team to develop a QA strategy that matters to your product users. This gives you both speed and credibility, so your devs can ship with confidence.
Here’s a closer look at how we help growing SaaS startups ramp up their manual software testing:
Software testing with clearly defined test steps for quality releases
Manual software testing is useful during early-stage software development when you need human reasoning to find real UX issues. But without clearly defined test steps, even experienced testers can mark broken flows as “working” or flag valid features as bugs.
At Rainforest QA, we don’t leave test quality up to chance. Your dedicated Test Managers write every test in our no-code platform with step-by-step instructions that are easy to follow, repeatable, and accurate.
They understand your product like an internal hire and define what “pass” or “fail” means for each test. This makes sure your results are reliable every time. As your software grows, your Test Managers maintain your test suites with it to speed up your QA with fewer headaches.
Your QA coverage is only as good as the instructions your testers follow. That’s why Rainforest gives your Test Managers two no-code ways to build clear, scalable tests.
Plain-Text Editor

In the Plain-Text Editor, your Test Managers write out test steps in plain English.
The tester confirmation consists of a simple “yes” or “no” question to validate the element being tested. Since this method is more freeform than our Visual Editor, we provide additional guidance and tips for writing tester instructions for less ambiguity.
If any step is unclear, our testers will ask for clarification instead of making assumptions.
Visual editor
Rainforest’s Visual Editor is a no-code interface that lets you write automated test scripts using clicks instead of code. Here’s how it works:
- Your Test Manager chooses an action (e.g., click, fill, observe, etc.).
- They click-and-drag to take a screenshot within the virtual machine to select the relevant UI element, and/or
- They enter a parameter for the action, where appropriate (e.g., for a form field “fill” action, you’d want to specify the text to fill in the specified field)

Rainforest’s Visual Editor works for both manual and automated test execution. During early software development, your dedicated testers will run the same tests. Once your feature is stable, you can switch to automated testing.

This way, updating tests is faster than rewriting them from scratch. Your devs avoid flaky tests and move faster than traditional manual software testing.

Whether you use the Plain-Text Editor or the Visual Editor, all your tests are executed in parallel for faster feedback. Our manual test results are returned in an average of 17 minutes after submission, while automated tests return results in just 4 minutes.
Many manual testing services promise “quick turnarounds”. This usually means after the tester begins the test, not when you submit. This derails your release schedules.
On Rainforest QA, your test scripts run continuously across our VM network once you submit them.
As your app evolves, Rainforest uses patent-pending AI to keep your test suite healthy by automatically flagging visual changes, updating steps, and reducing test maintenance. Each change is reviewed by your Test Managers. And if a critical issue shows up, a ticket is auto-generated, keeping your devs in the loop and resolving issues faster.
Rainforest uses virtual machines to run tests that matter to your real users
Most manual testing services run tests “in the wild,” i.e., using testers’ personal devices. While that sounds like real-user test coverage, you get unreliable results. That’s because many testers use devices that have ad blockers, outdated software, or unpredictable settings that cause flaky tests.
Rainforest QA runs tests on cloud-based virtual machines (VMs) that simulate real-user environments. Each VM is pre-configured with clean, controlled setups that match what your actual users see, not some tester’s single browser.
You get wide browser coverage (Chrome, Firefox, Safari, Edge, IE) and operating systems (Windows, macOS, iOS, Android), across both current and legacy versions. This saves effort to manage physical devices or coordinate testers manually.
Since tests run in parallel, your Test Managers can scale your test coverage as your product grows, while keeping turnaround times fast and reliable.
Note: Rainforest doesn’t support testing for hardware-specific features like GPS, microphone, or camera. But most teams cover these edge cases in-house, since Rainforest takes care of the rest faster and more reliably.
Rainforest understands your test failures to reduce maintenance time
Most manual QA testing services return vague failure logs or incomplete screenshots, leaving your developers guessing what went wrong. This wastes time and delays releases, especially when bugs can’t be reproduced easily.
Rainforest provides you with complete visibility over your software testing. Every test, whether it passes or fails, gets recorded.
We include HTTP logs, browser logs, mouse activity, time spent on each step, and more. Your developers get the full context to recreate issues quickly.

During test runs, your Test Managers flag anything that looks off, even if it’s not a formal bug. These could be confusing interfaces or missing confirmations that impact your user experience but don’t trigger a failure.
If an automated test fails or detects a visual mismatch, our platform immediately flags the issue and alerts your Test Managers. They review the change, confirm whether it’s an actual bug or an expected update. They then take the next steps, whether that means updating the test or notifying your team.
Rainforest builds trust for every scripted test result
While most manual testing services offer some form of scripted testing (such as regression testing) and unscripted testing (also called exploratory testing), the reliability of these tests vary depending on whether the same set of testers is used each time.
At Rainforest QA, we provide dedicated Test Managers who create scripted tests that are easy to read and don’t break quickly.
Scripted testing
In manual software testing, human testers run the same scripts repeatedly, which can lead to inattentional blindness. Over time, they begin to see what they expect, not what’s actually on screen. This makes it easy to miss critical bugs that affect your real users.
Rainforest reduces this risk by rotating in fresh testers from our global community. But relying on manual testers for repeated test runs can still slow down your release cycle, especially when speed and consistency matter most.
That’s why we automate your scripted test flows. Rainforest’s platform runs these tests on cloud-based VMs, simulating real user interactions across browsers and devices.
If your team updates the UI, our AI detects the change and updates the script automatically. Every AI update is reviewed by your dedicated Test Manager for accuracy, so your developers can ship faster with confidence.
Exploratory testing
Exploratory testing is better suited for testers who are already familiar with your application’s happy paths. If you outsource different testers for every exploratory test, it wastes your devs’ time to figure out bugs.
Rainforest’s dedicated Test Managers embed in your internal workflows. They understand your users’ happy path and run exploratory testing that matters to your users. This keeps your devs in flow.
Tester accountability measures
Each test is reviewed by your two QA specialists. If there’s any disagreement between your dedicated Test Managers, we assign additional testers to the test (up to seven) until they can get consistent, meaningful results.
Much like Uber, Airbnb, and other crowdsourced services, Rainforest testers get rated after each test run and must maintain a high-quality rating. Here’s how we provide quality service:
- Crowd scorecards: You give testers a thumbs-up or thumbs-down. Low-rated testers are blocked until they retrain, while top performers keep getting work.
- Long-term pros: The majority of Rainforest testers have been with us for five years or more and receive ongoing training.
- Signed NDAs + optional 2-factor auth: Every tester signs a non-disclosure agreement, and you can require 2FA for added account security.
- Optional malware scans for compliance: Testers who opt in to sensitive jobs upload malware-scan proofs before they test.
Manage manual testing and no-code automated testing from one platform to ship faster
Some user paths are better suited for manual testing services because they require human interpretation or early-stage features that change too often to automate. But relying only on manual testing slows teams down.
If you aren’t using test automation, chances are you will eventually want to automate your regression testing to speed up each release. Adding test automation with the same software you use for crowdsourced testing can save you time and money, especially if you just adapt your existing test scripts to run with automation.
That’s why Rainforest provides no-code automation for stable paths and dedicated QA managers who write and maintain tests. We also include AI for self-healing tests, saving your devs’ time.
You get fast, reliable test coverage without sacrificing speed or flexibility.
If you’re already using a test automation platform but are interested in learning about a more effective tool for testing the UI, read this article.
Get started with Rainforest’s software testing built for speed and quality
Talk to us to learn more about how Rainforest QA combines manual testing with no-code automation services for reliable test results and scalability.
2. Applause

Applause offers a fully managed testing service built on manual testing tools like Selenium/Appium. The platform focuses heavily on exploratory and scripted testing for desktop and mobile applications.
Applause offers a team of testers (headed by a project manager) who onboard into your workflow. Although you have the option to author tests yourself, all test cycles are activated by the project manager. Your results get returned in 1-3 days.
There is no pricing information on the Applause website. But reviews suggest that you have to sign a contract that is based on a set amount of testing hours per quarter.
For a more detailed comparison of Applause vs. Rainforest QA, read this article.
3. Testlio

Testlio offers the option for a managed or co-managed manual software testing service for web and mobile apps. If you choose the co-managed service, you’ll be given the option to create and run some of your own tests.
Either way, a few people from Testlio sit in on your team meetings until they understand your software product and development process well enough to create and run tests for you.
Once onboarding is complete and you’re ready for testing, an average testing session for Testlio is 1-4 hours. They also advertise ‘overnight’ functional testing. Reviews suggest that you may need to submit your testing suite one or two days in advance if you want to run a full suite of tests (such as your regression suite).
Testlio also supports AI-powered test automation and a “fused” approach where automated results feed into manual test validation.
Like most of the manual testing companies in this list, Testlio offers in-the-wild testing and has no pricing information on their website. You can learn more about why Rainforest is the best Testlio alternative.
4. Test IO

Test IO advertises its ability to make use of non-business hours for testing by offering overnight and weekend testing. They start with a less-than-24-hour onboarding process to help you learn the platform and design your test cases, but the Test IO staff quickly moves to a hands-off approach. For an extra fee, they will help you with long-term test management.
If you opt for the Test IO Elite package, they will return results within two hours, which is their fastest testing.
With any package, their goal is to minimize the number of bugs your team rejects over time. If you choose to add on the managed service, the team lead assigned to you will preview all reported bugs and reject any they think are irrelevant on your behalf.
Learn more about Test IO alternatives.
5. TestingXperts

TestingXperts will create and execute an entire testing plan for you. They keep you apprised of their progress with daily, weekly, and monthly reports. The reports include details about which tests were executed and what bugs were found to help you monitor your product quality. All reports can be found on a customized dashboard.
Each test they create can be traced back to specific business requirements. This is how they keep the test plan accountable to your testing needs. Each test is run by testing experts from the United States, Europe, and India.
6. KiwiQA

KiwiQA uses a specific template for writing each test case that is built on a preset selection of inputs, execution preconditions, and expected outcomes. This suggests that they have a very methodical testing approach.
Each of their QA engineers is trained in this approach. They write all of the test cases for you by default. The company also offers one-on-one training courses.
While they do have a specific setup already in place, they say they value innovation and new trends. So, they may be open to hearing your ideas for a different methodology.
7. QAWerk

QAwerk is based entirely in Ukraine, but they work with clients in the USA, Europe, and Asia. They prefer that you have a test plan already prepared. However, they’ll create a test plan for you if needed.
QAwerk advertises the ability to complete functional testing, integration testing, acceptance testing, and compatibility testing, all done by manual testers.
Depending on the pricing plan you choose, your testing plan can include up to two types of software, four devices, four operating systems, and five browsers.
8. Mindful QA

Mindful QA provides manual software testing services in the USA. They value sustainability and eco-friendly practices.
The company strives for full test coverage of your web application with the idea that it will result in a bug-free environment. They get started on testing within two days of beginning the onboarding process and keep you updated on when to expect results.
While you do have to sign a contract to use their service, you won’t be committed to using a specific number of testing hours.
9. QATestLab

QATestLab advertises their ability to take on any test project no matter the size or complexity. Up to 30% of projects will start the same day you request them. You can request several projects at once, then not have requests for several weeks. They work with you to scale testing up or down.
Anytime a tester at QATestLab finds a bug, they attach a description of what they found, console logs, crash logs, screenshots, or video records. As soon as your team has fixed the bug, the QATestLab team will retest your web app to ensure the bug was fixed.
10. QASource

QASource onboarding includes a ten-step process to develop your QA test strategy, define testing environments, and prioritize different test cases. The tests are executed by testers located in California, Mexico, or India. These testers use whatever tool is best suited to your testing process.
One of their core objectives is to deliver all testing within the timeframe they promise. Several of the main types of software manual testing services they offer are usability testing, security testing, and user acceptance testing.
11. Belitsoft

Belitsoft helps startups and large companies (including healthcare and e-commerce businesses) create high-quality software. Their testing services include performance testing, API testing, and localization testing. They claim to have a 100% secure environment for all testing.
Belitsoft offers two different models for integrating their team into your software development team: manual testers that work with any QA testers already on your team, or as an independent, specialized QA testing service.
On their manual testing information page, they claim to have 20 in-house test engineers for manual application testing with an average of four years of experience.
Bottom line: Get reliable software testing services with Rainforest QA
With Rainforest QA, you can quickly scale up your software testing without hiring QA experts or slowing down your software development life cycle.
Your dedicated Test Managers write and maintain scripted tests that run in a real-user environment. These tests are designed to be stable and don’t break with minor UI changes.
As your software reaches a more stable state, you can streamline your manually written tests into automated tests run by our software, without breaking your dev team’s flow.
Talk to us to see how Rainforest replaces slow manual testing with fast, reliable results that keep your team shipping.