# 図書館蔵書検索 vs PartyPilot

The clearest difference is in-app purchases: 図書館蔵書検索 at none against PartyPilot's 1. PartyPilot's advantage is ads (none vs shown) and update cadence (weekly vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PartyPilot sells 1 one-off in-app purchase. 図書館蔵書検索 asks for nothing beyond the download.

図書館蔵書検索 ships an update every 5 months, PartyPilot weekly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 図書館蔵書検索 | PartyPilot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Weekly** |
| Size | 5 MB | 7 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | +4 |
| Developer | [hirokazu murabe](https://appshunter.io/developer/894364772) | [Rizk Corsight, LLC](https://appshunter.io/developer/1896065289) |

## What reviewers say

### 図書館蔵書検索

[App page](https://appshunter.io/ios/app/id1068064173)

**Features:** macOS Compatibility

**In-app purchases:** none


### PartyPilot

[App page](https://appshunter.io/ios/app/partypilot/id6779333856)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PartyPilot Lifetime Unlock | $3.99 | one-time |


## Frequently asked questions

### Is 図書館蔵書検索 free?

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

### Is PartyPilot free?

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

### Do 図書館蔵書検索 or PartyPilot have ads?

図書館蔵書検索 shows ads; PartyPilot does not.

### Which is updated more often, 図書館蔵書検索 or PartyPilot?

図書館蔵書検索 ships an update every 5 months, and PartyPilot weekly. Most recently, 図書館蔵書検索 was updated on October 24, 2026 and PartyPilot on October 29, 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.*