# 哆眠岛 vs FocusRuler

The clearest difference is update cadence: FocusRuler at every 2 weeks against 哆眠岛's monthly. 哆眠岛's advantage is iOS requirement (13.0 vs 17.3). 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.

哆眠岛 ships an update monthly, FocusRuler every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 哆眠岛 | FocusRuler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/focusruler/id6751259978/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 83 MB | 16 MB |
| Requires iOS | **13.0** | 17.3 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [深圳市睡码科技有限公司](https://appshunter.io/developer/1820869305) | [家欣 蒋](https://appshunter.io/developer/1802300119) |

## What reviewers say

### 哆眠岛

[App page](https://appshunter.io/ios/app/id6747334160)

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

**In-app purchases:** none


### FocusRuler

[App page](https://appshunter.io/ios/app/focusruler/id6751259978)

This time management app helps procrastinators enhance productivity with structured tasks, focused timers, and AI-powered motivation. It features a clean interface, syncs with Apple Calendar, and includes an inspiration notebook and collectible badges.

**Highlights:** AI-powered encouraging messages, Syncs focus sessions to Apple Calendar, Inspiration notebook for random thoughts, Collectible badges to unlock, Structured task management, Focused timers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 哆眠岛 free?

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

### Is FocusRuler free?

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

### Do 哆眠岛 or FocusRuler have ads?

Neither 哆眠岛 nor FocusRuler shows ads.

### Which is updated more often, 哆眠岛 or FocusRuler?

哆眠岛 ships an update monthly, and FocusRuler every 2 weeks. Most recently, 哆眠岛 was updated on October 25, 2026 and FocusRuler on October 24, 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.*