Life & fun · alternatives · 2026

24 alternatives to Flex

In App Debugging for iOS from Flipboard

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Flex launched in 2014; newer entries below may have overtaken it.

1. 1
   Instabug▲88

   In-App bug reporting for iOS apps

   2014 · its alternatives →

2. 2
   Flext▲63

   Process textual input through JavaScript functions

   2021 · its alternatives →

3. 3
   Instabug▲340

   Bug reporting and In-app feedback for mobile apps

   2016 · its alternatives →

4. 4
   AppLogger by PLG Works▲522

   React Native library to backtrace your testing steps

   2022 · its alternatives →

5. 5
   Plasso Flexkit▲342

   Powerful payments & e-commerce API without writing code.

   2018 · its alternatives →

6. 6
   Inspect – DevTool to debug Safari and WebViews on iOS devices▲75

   Agent-first mobile web debugging for iOS and Android. Give Claude, Codex, Cursor, and other coding agents real-device DOM, console, network, and screenshots.

   2020 · inspect.dev · its alternatives →

7. 7
   Flex▲325

   Flexbox's are a pain to write, Flex makes it easy.

   2019 · its alternatives →

8. 8
   Flex Widgets▲128

   A widget editor for iPhone and iPad

   2020 · apps.apple.com · its alternatives →

9. 9
   Flipboard 4.0▲418

   Personalize deeper with smart magazines

   2017 · about.flipboard.com · its alternatives →

10. 10
    Inspect▲206

    Inspect and debug your web apps on iOS & Android devices

    2020 · inspect.dev · its alternatives →

11. 11
    FlexFile Digital Workout App▲72

    FlexFile is a simple way to log and track your workouts

    2016 · its alternatives →

12. 12
    Falcon for iOS▲86

    Writing notes made simple

    2016 · falcon.star-lord.me · its alternatives →

13. 13
    TextFlex▲179

    Text editor & HTML viewer for iOS

    2024 · apps.apple.com · its alternatives →

14. 14
    Reveal▲81

    Runtime inspection for iOS apps

    2014 · revealapp.com · its alternatives →

15. 15
    BugClipper▲85

    Bug reporting for mobile apps made simple

    2014 · bugclipper.com · its alternatives →

16. 16
    InVision Mobile Testing▲140

    New free, unlimited user testing for mobile prototypes

    2015 · its alternatives →

17. 17
    Quiver▲141

    A notebook built for programmers on your Mac

    2014 · apps.apple.com · its alternatives →

18. 18
    Render▲169

    React-inspired Swift library for writing UIKit UIs

    2016 · github.com · its alternatives →

19. 19
    Testfire▲103

    Get screen video and app logs with every bug on iOS/Android

    2015 · its alternatives →

20. 20
    FlexEdit.app▲88

    Powerful Editor for creating and managing Instructions.

    2024 · flexedit.app · its alternatives →

21. 21
    Teaching App Development with Swift▲96

    A Github-hosted curriculum on Swift for teachers by Apple

    2015 · swifteducation.github.io · its alternatives →

22. 22
    Reference Board▲84

    Infinite Canvas for your ideas

    Apr 2026 · referenceboard.app · its alternatives →

23. 23
    Breakout Room 2.0▲127

    Replay user behavior and crashes for mobile apps

    2016 · its alternatives →

24. 24SD
    Super Debugger, a realtime messaging iOS Debugger tool▲75

    2013 · shopify.github.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 →