# 羊羊小岛 vs SleepPlan

The clearest difference is update cadence: 羊羊小岛 at every 3 months against SleepPlan's every 12 months. 羊羊小岛 also leads on iOS requirement (13.0 vs 18.5). 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.

羊羊小岛 ships an update every 3 months, SleepPlan every 12 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 羊羊小岛 | SleepPlan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6615086144/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 12 months |
| Size | 5 MB | 4 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [圣臣 刘](https://appshunter.io/developer/1759893504) | [Guangdong Jianchuan Information Technology Co., Ltd](https://appshunter.io/developer/1822428404) |

## What reviewers say

### 羊羊小岛

[App page](https://appshunter.io/ios/app/id6615086144)

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

**In-app purchases:** none


### SleepPlan

[App page](https://appshunter.io/ios/app/sleepplan/id6753208732)

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

**In-app purchases:** none


## Frequently asked questions

### Is 羊羊小岛 free?

羊羊小岛 is free to download, with no in-app purchases.

### Is SleepPlan free?

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

### Do 羊羊小岛 or SleepPlan have ads?

Neither 羊羊小岛 nor SleepPlan shows ads.

### Which is updated more often, 羊羊小岛 or SleepPlan?

羊羊小岛 ships an update every 3 months, and SleepPlan every 12 months. Most recently, 羊羊小岛 was updated on November 4, 2026 and SleepPlan on October 30, 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.*