# Fasting Well vs Vasten

The clearest difference is update cadence: Vasten at every 2 days against Fasting Well's every 3 months. Fasting Well's advantage is iOS requirement (17.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fasting Well ships an update every 3 months, Vasten every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fasting Well | Vasten |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fasting-well-if-timer/id6772277372/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 45 MB | 2 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Generalizable](https://appshunter.io/developer/1847351234) | [Dennis Van Dalen](https://appshunter.io/developer/1862992231) |

## What reviewers say

### Fasting Well

[App page](https://appshunter.io/ios/app/fasting-well-if-timer/id6772277372)

Track your intermittent fasting journey with science-backed insights. Monitor your progress through different metabolic stages and view your history with a visual heatmap. Offers built-in plans and detailed scientific articles.

**Highlights:** Stage-aware fasting progress visualization, Live timer with customizable ring, Six built-in fasting plans, Journal and weekly progress charts, Science-backed articles on fasting, Calendar heatmap of activity, Privacy-first, on-device data storage

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

**In-app purchases:** none


### Vasten

[App page](https://appshunter.io/ios/app/vasten-fasting-timer/id6791755315)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fasting Well free?

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

### Is Vasten free?

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

### Do Fasting Well or Vasten have ads?

Neither Fasting Well nor Vasten shows ads.

### Which is updated more often, Fasting Well or Vasten?

Fasting Well ships an update every 3 months, and Vasten every 2 days. Most recently, Fasting Well was updated on November 5, 2026 and Vasten on October 31, 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.*