# Flex vs Habit Tracker

The clearest difference is in-app purchases: Flex at none against Habit Tracker's 2. Habit Tracker's advantage is update cadence (every 10 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Habit Tracker sells 2 in-app purchases, starting at $4.99 per month. Flex asks for nothing beyond the download.

Flex ships an update every 3 months, Habit Tracker every 10 days. Both last shipped on October 2, 2026.

## The numbers

| Metric | Flex | Habit Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Size | 23 MB | 85 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [sean ELLISON](https://appshunter.io/developer/1471381369) | [KT Forge](https://appshunter.io/developer/1822167654) |

## What reviewers say

### Flex

[App page](https://appshunter.io/ios/app/flex-ability-concepts/id6478976363)

**Features:** macOS Compatibility

**In-app purchases:** none


### Habit Tracker

[App page](https://appshunter.io/ios/app/habit-tracker-pro/id6747647440)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is Flex free?

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

### Is Habit Tracker free?

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

### Do Flex or Habit Tracker have ads?

Neither Flex nor Habit Tracker shows ads.

### Which is updated more often, Flex or Habit Tracker?

Flex ships an update every 3 months, and Habit Tracker every 10 days. Most recently, Flex was updated on October 2, 2026 and Habit Tracker on October 2, 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.*