# Salufast vs uVida

The clearest difference is in-app purchases: Salufast at none against uVida's 3. Salufast also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. uVida sells 3 in-app purchases, starting at $12.99 per month. Salufast asks for nothing beyond the download.

Salufast ships an update every 6 weeks, uVida every 3 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Salufast | uVida |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/salufast/id1490744411/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 60 MB | 128 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Salufast GmbH](https://appshunter.io/developer/1490744410) | [uNostics GmbH](https://appshunter.io/developer/1650237565) |

## What reviewers say

### Salufast

[App page](https://appshunter.io/ios/app/salufast/id1490744411)

This app offers personalized fasting guidance based on your biorhythms and scientific research. It combines interval and therapeutic fasting methods to promote health benefits like metabolic regulation and improved sleep. Receive tailored meal timing recommendations for your unique rhythm.

**Highlights:** Personalized interval fasting times, Heilfasten (therapeutic fasting) program, Biorhythm-based meal timing, Scientific insights into fasting benefits, Chronobiology integration, Autophagy tracking, Salu-Score

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

**In-app purchases:** none


### uVida

[App page](https://appshunter.io/ios/app/uvida/id1658531706)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $12.99 | per month |
| 3 Months Premium | $34.99 | per 3 months |
| 12 months Premium | $49.99 | per year |


## Frequently asked questions

### Is Salufast free?

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

### Is uVida free?

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

### Do Salufast or uVida have ads?

Neither Salufast nor uVida shows ads.

### Which is updated more often, Salufast or uVida?

Salufast ships an update every 6 weeks, and uVida every 3 weeks. Most recently, Salufast was updated on October 24, 2026 and uVida on October 14, 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.*