# Librarian vs HKER Admin

The clearest difference is ads: HKER Admin at none against Librarian's shown. HKER Admin also leads on iOS requirement (13.0 vs 18.6). On price, update cadence, 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, HKER Admin every 2 months. Both last shipped on October 19, 2026.

## The numbers

| Metric | Librarian | HKER Admin |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 47.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 8 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [shinichi tanimoto](https://appshunter.io/developer/338978015) | [Fresh Vision (HK) Company Limited](https://appshunter.io/developer/1720318122) |

## 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


### HKER Admin

[App page](https://appshunter.io/ios/app/hker-admin/id6615069733)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Librarian free?

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

### Is HKER Admin free?

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

### Do Librarian or HKER Admin have ads?

Librarian shows ads; HKER Admin does not.

### Which is updated more often, Librarian or HKER Admin?

Librarian ships an update every 4 months, and HKER Admin every 2 months. Most recently, Librarian was updated on October 19, 2026 and HKER Admin on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*