# Justfit vs Ankle Flex

The clearest difference is in-app purchases: Ankle Flex at none against Justfit's 4. Justfit's advantage is update cadence (every 3 days vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Justfit sells 4 in-app purchases, starting at $1.99 per month. Ankle Flex asks for nothing beyond the download.

Justfit ships an update every 3 days, Ankle Flex every 5 months. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Justfit | Ankle Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/justfit-interval-timer-clock/id6449503037/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 months |
| Monetization | Freemium | — |
| Size | 104 MB | 10 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ferda Nahit Fidanci](https://appshunter.io/developer/1689464732) | [Perry Hooker](https://appshunter.io/developer/1827290197) |

## What reviewers say

### Justfit

[App page](https://appshunter.io/ios/app/justfit-interval-timer-clock/id6449503037)

This app provides customizable interval timers for various activities like HIIT, Tabata, meditation, and studying. Track your progress with detailed history and analytics, and personalize your experience with custom sounds and colors.

**Highlights:** Fully customizable interval timers, Full-screen circular countdown/countup stopwatch, Pre-made templates for HIIT, Tabata, Meditation, Customizable audio for intervals, sets, and rest, Detailed progress tracking and analytics, Timer sharing via export/import, Multilanguage support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $7.99 | per year |
| Lifetime Access | $3.99 | one-time |
| Lifetime Access | $7.99 | one-time |


### Ankle Flex

[App page](https://appshunter.io/ios/app/ankle-flex/id6748759970)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Justfit free?

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

### Is Ankle Flex free?

Ankle Flex is free to download, with no in-app purchases.

### Do Justfit or Ankle Flex have ads?

Neither Justfit nor Ankle Flex shows ads.

### Which is updated more often, Justfit or Ankle Flex?

Justfit ships an update every 3 days, and Ankle Flex every 5 months. Most recently, Justfit was updated on October 3, 2026 and Ankle Flex on October 12, 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.*