Growth · alternatives · 2026

24 alternatives to GoStellar.app

A lightweight, no-code A/B testing tool for websites, free😉

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Mida.so▲236

   Free and lightweight A/B testing tool for websites

   2024 · mida.so · its alternatives →

2. 2
   Astro▲511

   App Store optimization tool for Apple developers

   2023 · tryastro.app · its alternatives →

3. 3
   Sparrow▲456

   The lightest and fastest platform for API testing

   2025 · sparrowapp.dev · its alternatives →

4. 4
   Oboe▲176

   High performance experimentation platform

   2025 · oboeapp.com · its alternatives →

5. 5
   Open-source A/B testing framework▲199

   Open Source Feature Flags, Experimentation, and Product Analytics - growthbook/growthbook

   2021 · github.com · its alternatives →

6. 6
   No-Code Visual Web Editor by Taplytics▲101

   Privacy-first and Fastest No-Code web A/B testing solution

   2021 · its alternatives →

7. 7AA
   Astro App▲291

   I really like Stellarium and SkySafari but I felt like these are primarily geared towards exploring the sky but not so much "here are the long list of things I want to see, when can I see them tonight and where". There's also not really a great option I've found that combines sky object planning + location weather details while still being free so I built this. The UI's heavily inspired by NINAs sky atlas + Robinhood. Right now you can: View the altitude chart of objects and 3D view Create lists of objects of interest View the annual max/min daily altitude of an object to find the best…

   2024 · astro.sshh.io · its alternatives →

8. 8
   CustomFit.ai 2.0▲174

   Easiest A/B testing & website personalization platform

   2023 · customfit.ai · its alternatives →

9. 9
   vStellar▲8

   Optimize QA with low code test automation framework

   2025 · vstellar.io · its alternatives →

10. 10
    LambdaTest Real Device Cloud▲194

    Test your apps online on 3000+ real Android and iOS devices

    2023 · testmuai.com · its alternatives →

11. 11
    Juggler.dev▲181

    The easiest way to proceed A/B testing on your site

    2021 · its alternatives →

12. 12
    AbTest.io▲122

    A free url shortener with A/B testing features

    2017 · cbsplit.com · its alternatives →

13. 13
    WebLens▲178

    AI powered A/B testing ideas for your website

    2024 · weblens.ai · its alternatives →

14. 14
    Cline▲177

    Lightweight A/B & split testing for web

    2023 · cline.ai · its alternatives →

15. 15
    Test Anywhere▲138

    A cloud service that helps test your website

    2016 · testanywhere.co · its alternatives →

16. 16
    Checkmango▲226

    The full stack A/B testing platform

    2023 · checkmango.com · its alternatives →

17. 17
    Direktor▲119

    A/B testing as easy as short URLs

    2019 · direktor.io · its alternatives →

18. 18
    Checksum AI▲229

    Your coding agent’s testing buddy

    Aug 2026 · checksum.ai · its alternatives →

19. 19
    Tiny A/B Test▲163

    Lightweight a/b testing for saas founders

    Oct 2025 · tinyabtest.com · its alternatives →

20. 20
    Asteroid IQ▲106

    Track competitors with screenshots as a service

    2016 · asteroidiq.com · its alternatives →

21. 21
    QuickTest▲74

    Affordable user testing for startups and freelancers

    2020 · its alternatives →

22. 22
    Open-source A/B testing platform▲11

    Open Source Feature Flags, Experimentation, and Product Analytics - growthbook/growthbook

    2021 · github.com · its alternatives →

23. 23BA
    Binary, a cloud development environment on the iPad▲78

    2013 · thebinaryapp.com · its alternatives →

24. 24
    Stellar▲133

    Hyper-curated creative directory

    2022 · stellar.work · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →