# Fast.io vs Fasta

The clearest difference is iOS requirement: Fasta at 15.1 against Fast.io's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Fast.io sells 1 one-off in-app purchase and Fasta sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Fast.io ships an update monthly, Fasta every 2 weeks. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Fast.io | Fasta |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 23 MB | 74 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Stefan Sturm](https://appshunter.io/developer/416803387) | [OneCount Pty Ltd](https://appshunter.io/developer/1879196979) |

## What reviewers say

### Fast.io

[App page](https://appshunter.io/ios/app/fastio-fasting-timer/id6755233993)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fast.io Pro | $6.99 | one-time |


### Fasta

[App page](https://appshunter.io/ios/app/fasta-fasting-timer/id6770219812)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fasta Premium | $7.99 | per month |
| Fasta Premium | $49.99 | per year |


## Frequently asked questions

### Is Fast.io free?

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

### Is Fasta free?

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

### Do Fast.io or Fasta have ads?

Neither Fast.io nor Fasta shows ads.

### Which is updated more often, Fast.io or Fasta?

Fast.io ships an update monthly, and Fasta every 2 weeks. Most recently, Fast.io was updated on September 21, 2026 and Fasta on September 24, 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.*