# FastingCat vs Faast

The clearest difference is in-app purchases: Faast at none against FastingCat's 10. Faast also leads on update cadence (every 2 days vs every 6 days). FastingCat's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. FastingCat sells 10 in-app purchases, starting at $0.99 per month. Faast asks for nothing beyond the download.

FastingCat ships an update every 6 days, Faast every 2 days. The most recent releases landed on August 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | FastingCat | Faast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (55 ratings)](https://appshunter.io/ios/app/fastingcat-fast-tracker-if/id6748528990/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 5 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ProApps Solutions](https://appshunter.io/developer/1760776062) | [Loan RIVIERE](https://appshunter.io/developer/1843899230) |

## What reviewers say

### FastingCat

[App page](https://appshunter.io/ios/app/fastingcat-fast-tracker-if/id6748528990)

Master intermittent fasting with a focused timer and science-backed tracking. Monitor your progress with detailed insights, charts, and smart notifications to stay motivated and in control of your fasting journey. Your privacy is prioritized with on-device data storage and no ads.

**Highlights:** Customizable fasting presets, Science-backed fasting zone tracking, Detailed progress charts, Flexible scheduling with grace days, Smart notifications, Seamless weight logging, On-device data privacy

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Donation (Cookie) | $0.99 | per month |
| Monthly Donation (Donut) | $2.49 | per month |
| Monthly Donation (Smoothie) | $4.99 | per month |
| Monthly Donation (Salad) | $7.99 | per month |
| Monthly Donation (Protein) | $9.99 | per month |
| One-time Donation (Coffee) | $1.99 | one-time |
| One-time Donation (Sandwich) | $4.99 | one-time |
| One-time Donation (Pizza) | $9.99 | one-time |
| One-time Donation (Groceries) | $24.99 | one-time |
| One-time Donation (Books) | $49.99 | one-time |


### Faast

[App page](https://appshunter.io/ios/app/faast-fasting-timer/id6787727897)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FastingCat free?

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

### Is Faast free?

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

### Do FastingCat or Faast have ads?

Neither FastingCat nor Faast shows ads.

### Which is updated more often, FastingCat or Faast?

FastingCat ships an update every 6 days, and Faast every 2 days. Most recently, FastingCat was updated on August 7, 2026 and Faast on September 25, 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.*