Apollo.io
ZoomInfo
Lusha
Hunter.io
Instantly.ai
Clearbit
lemlist
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TestingBot
Sauce Labs
CrossBrowserTesting
browserling
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BrowserStack
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TestingBot provides a real device cloud as well as a Selenium browser grid.
Customers can create and run test scripts on these browsers and devices on TestingBot. They will receive test results, a video of the test, screenshots and logs.
Make sure your apps and websites work flawlessly on all devices and browsers, with TestingBot.
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TestingBot guarantees single-use browsers. Each test runs on a brand new machine, and is destroyed after the test. This guarantees a pristine test environment.
All devices and browsers are located in Europe, providing minimal latency to QA and developers located in Europe.
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While TestingBot is a smaller company compared to other competitors, the main advantages that TestingBot provides is: - better, one-to-one customer support - easy UI - extensive, easy-to-follow documentation
We use Apollo with our Sales and BDR team to manage our cold outreach. The strength of the platform is the sequences and cadences that you can set up. Compared to other tools we have used in the past like Salesloft the UI is much easier to navigate. The main limitation is that the quality of data isn't as vast and often I can find prospects on Linkedin but not in Apollo.
Based on our record, Apollo.io should be more popular than TestingBot. It has been mentiond 69 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Personal email domains destroy this. Clearbit's Enrichment API returns a null company when it hits gmail.com. Apollo routes personal domains straight to a consumer bucket and skips B2B fields entirely. Even PDL's /person/enrich endpoint โ the most permissive of the major providers โ gives you around 32% hit rate on Gmail addresses versus 74% on corporate domains. I measured this across 6,200 signups for a... - Source: dev.to / 3 months ago
A few things worth flagging: PDL beats Clearbit's historical rates for US and Western European companies, but drops to ~52% match rate for Japan and South Korea specifically. Apollo underperforms on raw company matching but returns significantly more contacts per domain in Prospector-style queries than Clearbit's Prospector ever did โ the tradeoff is more stale titles in the result set. Hunter.io is fast and cheap... - Source: dev.to / 3 months ago
One thing comparison guides consistently get wrong: Clay is not an enrichment API. It's a waterfall orchestration tool that calls People Data Labs, Apollo, Clearbit, and others in sequence for you. It's useful, but it adds 2โ8 seconds of latency per row in my runs and costs more per match than going direct. For a CRM webhook flow where you need sub-second enrichment calls, Clay is the wrong layer to hit first. - Source: dev.to / 4 months ago
Last year I ran the same LinkedIn Sales Navigator export through three enrichment APIs. Apollo matched 61% of the emails. Hunter.io matched 54%. An OSINT-first pipeline I'd built in n8n โ pulling from public sources before hitting any paid API โ matched 79% and cost roughly $0.003 per contact. The delta wasn't magic. It was sequence. - Source: dev.to / 4 months ago
Despite having its LinkedIn Page removed in 2025, Apollo remains a functional enrichment and outreach platform with 275M+ contacts. The free tier includes 10,000 credits and the $49/month basic plan is the cheapest entry point for a combined enrichment-plus-sequencing workflow. Apollo's data collection methods have attracted LinkedIn's attention, but the product continues to operate. The risk I'd assign it:... - Source: dev.to / 4 months ago
8. TestingBot TestingBot offers a cloud-based platform for automated cross-browser testing. With support for Selenium and Appium, it enables teams to perform tests on real devices and browsers efficiently. The platform provides comprehensive testing capabilities with a focus on real-time feedback. TestingBot supports video recordings and screenshots of test sessions, enhancing the debugging process. - Source: dev.to / almost 2 years ago
TestingBot offers cloud-based automated and manual testing services for web and mobile applications. It simplifies the testing process across many browsers and devices, focusing on ensuring compatibility and optimal performance. - Source: dev.to / over 2 years ago
We use it at https://testingbot.com to provide a realtime video stream of remote desktops and mobile device screens. Mostly with Pion (Go). - Source: Hacker News / about 4 years ago
You will get instant test results, including a video, screenshots and logs. TestingBot is an Appium cloud provider which offers access to physical Android and iOS devices for native mobile app testing. - Source: dev.to / about 4 years ago
I was able to use https://testingbot.com with the 5-minute free trial to access the side and create a Historic search. However, as I was waiting for my search to complete (holy crap is this site slow) my five-minute freebie window timed out. I will upgrade to a paid plan tomorrow and continue digging on that DTCC site. Source: over 4 years ago
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
Lusha - Search less. Sell more.
CrossBrowserTesting - Browser Testing made simple! Run automated, visual, and manual tests on 1500+ real browsers and mobile devices. Test more browsers, in less time.
Hunter.io - Find all the email addresses related to a domain
browserling - Live interactive cross-browser testing from your browser.