# Librarian vs memomo（メモモ）

The clearest difference is ads: memomo（メモモ） at none against Librarian's shown. memomo（メモモ） also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.6). On price, update cadence and in-app purchases 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, memomo（メモモ） every 7 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Librarian | memomo（メモモ） |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 47.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Ad-supported | — |
| Size | 8 MB | 30 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [shinichi tanimoto](https://appshunter.io/developer/338978015) | [Masayoshi Kishida](https://appshunter.io/developer/1643914923) |

## 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


### memomo（メモモ）

[App page](https://appshunter.io/ios/app/memomo/id1643924485)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Librarian free?

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

### Is memomo（メモモ） free?

memomo（メモモ） is free to download, with no in-app purchases.

### Do Librarian or memomo（メモモ） have ads?

Librarian shows ads; memomo（メモモ） does not.

### Which is updated more often, Librarian or memomo（メモモ）?

Librarian ships an update every 4 months, and memomo（メモモ） every 7 months. Most recently, Librarian was updated on November 1, 2026 and memomo（メモモ） on November 3, 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.*