# Librarian vs 素早く図書館蔵書検索

The clearest difference is ads: 素早く図書館蔵書検索 at none against Librarian's shown. 素早く図書館蔵書検索 also leads on iOS requirement (8.0 vs 18.6). Librarian's advantage is update cadence (every 4 months vs every 13 months). On price, 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.

Librarian ships an update every 4 months, 素早く図書館蔵書検索 every 13 months. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Librarian | 素早く図書館蔵書検索 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 47.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 13 months |
| Monetization | Ad-supported | — |
| Size | 8 MB | 6 MB |
| Requires iOS | 18.6 | **8.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [shinichi tanimoto](https://appshunter.io/developer/338978015) | [Tsukurusha, LLC](https://appshunter.io/developer/312173424) |

## What reviewers say

### Librarian

[App page](https://appshunter.io/ios/app/librarian-library-search/id383815613)

Easily find libraries and books across Japan. Search by map, area, or your current location, and look for books by keyword or genre. Check book availability at nearby libraries.

**Highlights:** Search libraries by map, Search libraries by area, Search libraries by current location, Search books by keyword, Search books by genre, Check book availability

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

**In-app purchases:** none


### 素早く図書館蔵書検索

[App page](https://appshunter.io/ios/app/libron/id478517535)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Librarian free?

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

### Is 素早く図書館蔵書検索 free?

素早く図書館蔵書検索 is free to download, with no in-app purchases.

### Do Librarian or 素早く図書館蔵書検索 have ads?

Librarian shows ads; 素早く図書館蔵書検索 does not.

### Which is updated more often, Librarian or 素早く図書館蔵書検索?

Librarian ships an update every 4 months, and 素早く図書館蔵書検索 every 13 months. Most recently, Librarian was updated on October 19, 2026 and 素早く図書館蔵書検索 on October 8, 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.*