# QoFast vs Vasten

The clearest difference is in-app purchases: Vasten at none against QoFast's 3. Vasten also leads on update cadence (every 2 days vs every 6 days). QoFast's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.5). On price and ads there is nothing between them.

Both are free to download. QoFast sells 3 in-app purchases, starting at $2.99 per 7 days. Vasten asks for nothing beyond the download.

QoFast ships an update every 6 days, Vasten every 2 days. The most recent releases landed on October 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | QoFast | Vasten |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Size | 75 MB | 2 MB |
| Requires iOS | **15.0** | 26.5 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Qorinx OU](https://appshunter.io/developer/1554751147) | [Dennis Van Dalen](https://appshunter.io/developer/1862992231) |

## What reviewers say

### QoFast

[App page](https://appshunter.io/ios/app/qofast-intermittent-fasting/id6761296844)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QoFast Pro | $2.99 | per 7 days |
| QoFast Pro | $9.99 | per month |
| QoFast Pro | $49.99 | per year |


### 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 QoFast free?

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

### Is Vasten free?

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

### Do QoFast or Vasten have ads?

Neither QoFast nor Vasten shows ads.

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

QoFast ships an update every 6 days, and Vasten every 2 days. Most recently, QoFast was updated on October 28, 2026 and Vasten on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*