# FastTrack vs LeanFast

The clearest difference is update cadence: LeanFast at every 4 days against FastTrack's every 2 months. FastTrack's advantage is iOS requirement (15.1 vs 26.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FastTrack sells 3 in-app purchases, starting at $4.99 per month and LeanFast sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

FastTrack ships an update every 2 months, LeanFast every 4 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | FastTrack | LeanFast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 35 MB | 53 MB |
| Requires iOS | **15.1** | 26.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Gerald Agyapong-Opoku](https://appshunter.io/developer/1819833145) | [Hajer Trabelsi](https://appshunter.io/developer/6826828505) |

## What reviewers say

### FastTrack

[App page](https://appshunter.io/ios/app/fasttrack-fasting-tracker/id6751446348)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $39.99 | per year |
| Lifetime Premium | $99.99 | one-time |


### LeanFast

[App page](https://appshunter.io/ios/app/leanfast-intermittent-fasting/id6818318288)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prism Monthly | $3.99 | per month |
| Prism Yearly | $29.99 | per year |
| Prism Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is FastTrack free?

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

### Is LeanFast free?

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

### Do FastTrack or LeanFast have ads?

Neither FastTrack nor LeanFast shows ads.

### Which is updated more often, FastTrack or LeanFast?

FastTrack ships an update every 2 months, and LeanFast every 4 days. Most recently, FastTrack was updated on November 8, 2026 and LeanFast on November 6, 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.*