# 星ダイアリー vs Sun Amici

The clearest difference is in-app purchases: Sun Amici at none against 星ダイアリー's 22. Sun Amici also leads on iOS requirement (12.0 vs 16.0). 星ダイアリー's advantage is update cadence (every 5 weeks vs every 39 months). On price, ads and device support there is nothing between them.

Both are free to download. 星ダイアリー sells 22 in-app purchases, starting at $1.49 per month. Sun Amici asks for nothing beyond the download.

星ダイアリー ships an update every 5 weeks, Sun Amici every 39 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 星ダイアリー | Sun Amici |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 34.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 39 months |
| Size | 81 MB | 16 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZAPPALLAS, INC.](https://appshunter.io/developer/345877804) | [ASAMI MORI](https://appshunter.io/developer/1398924786) |

## What reviewers say

### 星ダイアリー

[App page](https://appshunter.io/ios/app/id1316306096)

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

**In-app purchases (22)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額会員登録 | $1.49 | per month |
| 2018年下半期牡羊座の占い | $2.99 | one-time |
| 2020年上半期水瓶座の占い | $2.99 | one-time |
| 2020年下半期水瓶座の占い | $2.99 | one-time |
| 2021年上半期射手座の占い | $2.99 | one-time |
| 2021年上半期水瓶座の占い | $2.99 | one-time |
| 2021年下半期水瓶座の占い | $2.99 | one-time |
| 2022年上半期水瓶座の占い | $2.99 | one-time |
| 2022年下半期水瓶座の占い | $2.99 | one-time |
| 2023年上半期水瓶座の占い | $2.99 | one-time |
| 2026年下半期水瓶座の占い | $2.99 | one-time |
| 2026年上半期水瓶座の占い | $2.99 | one-time |
| スペシャル占い_2024年下半期天秤座の占い | $2.99 | one-time |
| スペシャル占い_2024年下半期水瓶座の占い | $2.99 | one-time |
| 2018年下半期牡牛座の占い | $2.99 | one-time |
| 2018年下半期蟹座の占い | $2.99 | one-time |
| 2018年下半期獅子座の占い | $2.99 | one-time |
| 2018年下半期天秤座の占い | $2.99 | one-time |
| 2018年下半期蠍座の占い | $2.99 | one-time |
| 2018年下半期射手座の占い | $2.99 | one-time |
| 2018年下半期山羊座の占い | $2.99 | one-time |
| 2018年下半期水瓶座の占い | $2.99 | one-time |


### Sun Amici

[App page](https://appshunter.io/ios/app/sun-amici/id1398924787)

**In-app purchases:** none


## Frequently asked questions

### Is 星ダイアリー free?

星ダイアリー is free to download, with in-app purchases available.

### Is Sun Amici free?

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

### Do 星ダイアリー or Sun Amici have ads?

Neither 星ダイアリー nor Sun Amici shows ads.

### Which is updated more often, 星ダイアリー or Sun Amici?

星ダイアリー ships an update every 5 weeks, and Sun Amici every 39 months. Most recently, 星ダイアリー was updated on October 24, 2026 and Sun Amici on October 26, 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.*