# Fast Track Pro vs Simple Fast

The clearest difference is in-app purchases: Simple Fast at none against Fast Track Pro's 3. Simple Fast also leads on iOS requirement (15.0 vs 17.0). Fast Track Pro's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Fast Track Pro sells 3 in-app purchases, starting at $4.99 per month. Simple Fast asks for nothing beyond the download.

Fast Track Pro ships an update every 3 months, Simple Fast every 2 months. The most recent releases landed on September 27, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Fast Track Pro | Simple Fast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 6 MB | 45 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shankar Dutt](https://appshunter.io/developer/1866130658) | [Duc Dang Ngoc](https://appshunter.io/developer/1704135652) |

## What reviewers say

### Fast Track Pro

[App page](https://appshunter.io/ios/app/fast-track-pro/id6760285351)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastTrack Premium Monthly | $4.99 | per month |
| FastTrack Premium Yearly | $24.99 | per year |
| FastTrack Lifetime | $49.99 | one-time |


### Simple Fast

[App page](https://appshunter.io/ios/app/simple-fast-fasting-tracker/id6774254122)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fast Track Pro free?

Fast Track Pro is free to download, with in-app purchases available.

### Is Simple Fast free?

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

### Do Fast Track Pro or Simple Fast have ads?

Simple Fast shows ads; Fast Track Pro does not.

### Which is updated more often, Fast Track Pro or Simple Fast?

Fast Track Pro ships an update every 3 months, and Simple Fast every 2 months. Most recently, Fast Track Pro was updated on September 27, 2026 and Simple Fast on September 28, 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.*