# 星ダイアリー vs Specimen Log

The clearest difference is review sentiment: Specimen Log at 100% against 星ダイアリー's 34%. Specimen Log also leads on update cadence (every 5 days vs every 5 weeks) and device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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 and Specimen Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

星ダイアリー ships an update every 5 weeks, Specimen Log every 5 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 星ダイアリー | Specimen Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/specimen-log/id6763961463/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 34.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 81 MB | 52 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZAPPALLAS, INC.](https://appshunter.io/developer/345877804) | [kazuki korenori](https://appshunter.io/developer/1884835388) |

## 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 |


### Specimen Log

[App page](https://appshunter.io/ios/app/specimen-log/id6763961463)

Organize your mineral collection with detailed records, photos, and custom tags. Track purchase history, storage locations, and analyze your collection's growth. Ideal for collectors who need a dedicated tool to manage their specimens.

**Highlights:** Record specimen details (name, locality, price, etc.), Attach multiple photos per specimen, Organize with custom tags, Switch between list and gallery views, Track specimen storage locations (Pro), Analyze collection spending and growth (Pro), Create and manage wishlists, Share specimen details

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Specimen Log Pro | $5.99 | one-time |


## 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 Specimen Log free?

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

### Do 星ダイアリー or Specimen Log have ads?

Neither 星ダイアリー nor Specimen Log shows ads.

### Which is updated more often, 星ダイアリー or Specimen Log?

星ダイアリー ships an update every 5 weeks, and Specimen Log every 5 days. Most recently, 星ダイアリー was updated on October 24, 2026 and Specimen Log 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.*