# Vasten vs FastingKit

The clearest difference is in-app purchases: Vasten at none against FastingKit's 3. FastingKit's advantage is device support (4 vs 1) and iOS requirement (17.0 vs 26.5). On price, update cadence and ads there is nothing between them.

Both are free to download. FastingKit sells 3 in-app purchases, starting at $0.99 per month. Vasten asks for nothing beyond the download.

Vasten ships an update every 2 days, FastingKit every 3 days. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Vasten | FastingKit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 2 MB | 19 MB |
| Requires iOS | 26.5 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Dennis Van Dalen](https://appshunter.io/developer/1862992231) | [锁利 俱](https://appshunter.io/developer/6779652792) |

## What reviewers say

### Vasten

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

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

**In-app purchases:** none


### FastingKit

[App page](https://appshunter.io/ios/app/fastingkit-fasting-tracker/id6806566789)

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastingKit Pro（Monthly) | $0.99 | per month |
| FastingKit Pro（Yearly） | $7.99 | per year |
| FastingKit Pro（Lifetime） | $19.99 | one-time |


## Frequently asked questions

### Is Vasten free?

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

### Is FastingKit free?

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

### Do Vasten or FastingKit have ads?

Neither Vasten nor FastingKit shows ads.

### Which is updated more often, Vasten or FastingKit?

Vasten ships an update every 2 days, and FastingKit every 3 days. Most recently, Vasten was updated on October 6, 2026 and FastingKit on October 16, 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.*