# Flexibility Tracker vs Mighty Nimble

The clearest difference is update cadence: Flexibility Tracker at every 3 days against Mighty Nimble's every 3 weeks. Flexibility Tracker also leads on iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flexibility Tracker sells 4 in-app purchases, starting at $8.99 per month and Mighty Nimble sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Flexibility Tracker ships an update every 3 days, Mighty Nimble every 3 weeks. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Flexibility Tracker | Mighty Nimble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (42 ratings)](https://appshunter.io/ios/app/flexibility-tracker-range/id6479176812/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 235 MB | 45 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Wainryb](https://appshunter.io/developer/1735069118) | [Andres Canella](https://appshunter.io/developer/1803492183) |

## What reviewers say

### Flexibility Tracker

[App page](https://appshunter.io/ios/app/flexibility-tracker-range/id6479176812)

Measure, track, and improve your physical flexibility using your phone's camera. AI-powered measurements and visual progress tracking help you achieve your stretching goals, from touching your toes to mastering the splits. Stay motivated with levels and badges.

**Highlights:** Measure joint angles with camera/photo, Track progress with pictures and data, AI-powered flexibility analysis, Compare and visualize improvements, Stay motivated with levels and badges, Tag measurements as 'Warm' or 'Cold'

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly member | $8.99 | per month |
| Monthly member | $12.99 | per month |
| Annual member | $39.99 | per year |
| Yearly member | $39.99 | per year |


### Mighty Nimble

[App page](https://appshunter.io/ios/app/mighty-nimble/id6754895307)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mighty Nimble Plus | $6.99 | per month |
| Mighty Nimble Plus | $49.99 | per year |


## Frequently asked questions

### Is Flexibility Tracker free?

Flexibility Tracker is free to download, with in-app purchases available.

### Is Mighty Nimble free?

Mighty Nimble is free to download, with in-app purchases available.

### Do Flexibility Tracker or Mighty Nimble have ads?

Neither Flexibility Tracker nor Mighty Nimble shows ads.

### Which is updated more often, Flexibility Tracker or Mighty Nimble?

Flexibility Tracker ships an update every 3 days, and Mighty Nimble every 3 weeks. Most recently, Flexibility Tracker was updated on September 21, 2026 and Mighty Nimble on September 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*