# Fast vs Fasting Ratio

The clearest difference is in-app purchases: Fast at none against Fasting Ratio's 3. Fast also leads on update cadence (every 2 days vs every 5 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fasting Ratio sells 3 one-off in-app purchases. Fast asks for nothing beyond the download.

Fast ships an update every 2 days, Fasting Ratio every 5 days. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Fast | Fasting Ratio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Size | 6 MB | 1 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Invotek AS](https://appshunter.io/developer/1836667478) | [守信 尚](https://appshunter.io/developer/1889197777) |

## What reviewers say

### Fast

[App page](https://appshunter.io/ios/app/fast-e-intermittent-fasting/id6759206116)

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

**In-app purchases:** none


### Fasting Ratio

[App page](https://appshunter.io/ios/app/fasting-ratio/id6771770188)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


## Frequently asked questions

### Is Fast free?

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

### Is Fasting Ratio free?

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

### Do Fast or Fasting Ratio have ads?

Neither Fast nor Fasting Ratio shows ads.

### Which is updated more often, Fast or Fasting Ratio?

Fast ships an update every 2 days, and Fasting Ratio every 5 days. Most recently, Fast was updated on October 16, 2026 and Fasting Ratio on October 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.*