Dev tools · alternatives · 2026

24 alternatives to Kat

iOS app to test any REST service

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Kat launched in 2016; newer entries below may have overtaken it.

1. 1
   Test Fairy▲166

   Magical app testing for iOS

   2015 · saucelabs.com · its alternatives →

2. 2
   API Tester▲209

   The easiest way to test APIs

   2017 · its alternatives →

3. 3
   GhostLab▲116

   Synchronized web development, inspection and testing

   2016 · vanamco.com · its alternatives →

4. 4
   Test Anywhere▲138

   A cloud service that helps test your website

   2016 · testanywhere.co · its alternatives →

5. 5RI
   Run iOS apps in the browser▲261

   2013 · app.io · its alternatives →

6. 6
   AppAdvice▲81

   Ideal resource to discover iOS apps

   2015 · its alternatives →

7. 7
   Treblle for iPhone, iPad and Mac▲205

   The next generation of API management

   2022 · treblle.com · its alternatives →

8. 8
   The REST & JSON in Swift Bundle▲57

   Learn to build REST apps in Swift

   2016 · leanpub.com · its alternatives →

9. 9
   AppFollow 4.0▲232

   Tool for ASO, app tracking & user reviews management

   2018 · appfollow.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
    API_TESTER▲249

    Test your APIs right from the macOS menu bar

    2025 · apps.apple.com · its alternatives →

12. 12
    Kodika.io▲172

    Build powerful iOS apps on your iPad with no code.

    2019 · kodika.io · its alternatives →

13. 13
    Nativeline AI + Cloud▲111

    Native Swift apps + a real cloud database. One prompt away.

    Mar 2026 · nativeline.ai · its alternatives →

14. 14
    AppStarter.io▲285

    Build native iOS prototypes online.

    2015 · jyx.uk.com · its alternatives →

15. 15
    iOSStash▲198

    A huge collection of app-related tools

    2016 · its alternatives →

16. 16
    Apimint▲170

    Design and Mock API + code SDK + Auto Documentation

    2016 · apimint.com · its alternatives →

17. 17
    AWS Device Farm▲144

    Test your app on real devices in the cloud.

    2015 · aws.amazon.com · its alternatives →

18. 18
    iOS Stack▲213

    A curated collection of iOS resources for app builders

    2016 · iosstack.com · its alternatives →

19. 19
    Loader.io▲117

    Simple cloud-based load testing for your apps

    2014 · loader.io · its alternatives →

20. 20
    NativeTap.io▲117

    Test your mobile app across 100 real devices (pre-launch)

    2015 · cellularnews.com · its alternatives →

21. 21
    AppToolkit▲146

    Useful tools for mobile app creators

    2017 · apptoolkit.io · its alternatives →

22. 22
    AppSight▲108

    Find SDKs & services used by iOS mobile apps

    2017 · appsight.io · its alternatives →

23. 23
    Taplytics▲108

    A/B testing for mobile, web & more

    2014 · its alternatives →

24. 24
    Building RESTful JSON apps in Swift▲5

    A free course where you'll build a REST app in Swift

    2016 · roadfiresoftware.com · 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 →