# CatNapp vs Vasten

The clearest difference is price: Vasten at Free against CatNapp's $1.49. Vasten also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs every 5 days). CatNapp's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.5). On ads there is nothing between them.

Vasten is free to download; CatNapp costs $1.49 up front. CatNapp sells 1 one-off in-app purchase. Vasten asks for nothing beyond the download.

CatNapp ships an update every 5 days, Vasten every 2 days. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CatNapp | Vasten |
| --- | --- | --- |
| Price | $1.49 | **Free** |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/catnapp-timer-for-power-naps/id6449625451/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Paid | — |
| Size | 22 MB | 2 MB |
| Requires iOS | **15.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Luisa Fernanda Castano Jurado](https://appshunter.io/developer/1547075347) | [Dennis Van Dalen](https://appshunter.io/developer/1862992231) |

## What reviewers say

### CatNapp

[App page](https://appshunter.io/ios/app/catnapp-timer-for-power-naps/id6449625451)

This app helps you take refreshing power naps with customizable durations and soothing ambient sounds. Wake up gently with sweet alarm tones designed to leave you feeling rejuvenated.

**Highlights:** Customizable nap durations up to 120 minutes, Selection of gentle ambient sounds, Sweet and gentle alarm sounds, Interactive cat animation, Informative content on power napping

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CatNapp Forever | $0.99 | one-time |


### 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 CatNapp free?

CatNapp costs $1.49, and also offers in-app purchases.

### Is Vasten free?

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

### Do CatNapp or Vasten have ads?

Neither CatNapp nor Vasten shows ads.

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

CatNapp ships an update every 5 days, and Vasten every 2 days. Most recently, CatNapp was updated on October 3, 2026 and Vasten on October 6, 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.*