# AlarmChess vs Sifty

The clearest difference is ads: Sifty at none against AlarmChess's shown. Sifty also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.1). AlarmChess's advantage is update cadence (weekly vs every 5 weeks). On price and in-app purchases there is nothing between them.

Both are free to download. AlarmChess sells 4 in-app purchases, starting at $12.99 per month and Sifty sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AlarmChess ships an update weekly, Sifty every 5 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AlarmChess | Sifty |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (18 ratings)](https://appshunter.io/ios/app/alarmchess/id6756176866/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 92 MB | 66 MB |
| Requires iOS | 26.1 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ming Kang Siow](https://appshunter.io/developer/1858862011) | [Mohammed Junaid](https://appshunter.io/developer/1878289578) |

## What reviewers say

### AlarmChess

[App page](https://appshunter.io/ios/app/alarmchess/id6756176866)

This alarm clock requires users to solve a chess puzzle to dismiss it, ensuring a mentally engaging start to the day. It offers customizable alarms, curated puzzles with adjustable difficulty, and hints to help users wake up alert and focused.

**Highlights:** Solve chess puzzles to dismiss alarm, Customizable alarm times and repeat days, Curated chess puzzles with adjustable difficulty, Hints available for stuck users, Intuitive and clean interface, Reliable notifications even when app is closed

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $12.99 | per month |
| Yearly subscription | $29.99 | per year |
| Yearly subscription | $29.99 | per year |
| Lifetime | $59.99 | one-time |


### Sifty

[App page](https://appshunter.io/ios/app/sifty-declutter-your-gallery/id6759360203)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| 5000 Images | $0.99 | one-time |
| 10000 images | $2.99 | one-time |
| Sifty Pro Pack | $5.99 | one-time |


## Frequently asked questions

### Is AlarmChess free?

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

### Is Sifty free?

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

### Do AlarmChess or Sifty have ads?

AlarmChess shows ads; Sifty does not.

### Which is updated more often, AlarmChess or Sifty?

AlarmChess ships an update weekly, and Sifty every 5 weeks. Most recently, AlarmChess was updated on October 30, 2026 and Sifty 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.*