# Librarian vs SecureKey Vault

The clearest difference is ads: SecureKey Vault at none against Librarian's shown. SecureKey Vault also leads on update cadence (every 2 months vs every 4 months) and monetization model (free vs ad-supported). 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, SecureKey Vault every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Librarian | SecureKey Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/securekey-vault-protect-and-sync/id1560434216/reviews)** |
| Number of ratings | — | **4** |
| 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 | **Free** |
| Size | 8 MB | 6 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [shinichi tanimoto](https://appshunter.io/developer/338978015) | [新雨 李](https://appshunter.io/developer/1559932632) |

## 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


### SecureKey Vault

[App page](https://appshunter.io/ios/app/securekey-vault-protect-and-sync/id1560434216)

Secure your digital life with a password manager that encrypts your data end-to-end. It offers seamless syncing across devices, quick logins, and real-time security alerts for your personal and financial information.

**Highlights:** End-to-end password encryption, iCloud cross-device syncing, Quick and easy login access, Real-time security alerts, Multi-layered protection

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

**In-app purchases:** none


## Frequently asked questions

### Is Librarian free?

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

### Is SecureKey Vault free?

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

### Do Librarian or SecureKey Vault have ads?

Librarian shows ads; SecureKey Vault does not.

### Which is updated more often, Librarian or SecureKey Vault?

Librarian ships an update every 4 months, and SecureKey Vault every 2 months. Most recently, Librarian was updated on November 1, 2026 and SecureKey Vault 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.*