# 残業バスター vs PatronBook

The clearest difference is update cadence: PatronBook at every 3 weeks against 残業バスター's every 2 months. 残業バスター's advantage is iOS requirement (10.0 vs 17.0). On price, ads, 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.

残業バスター ships an update every 2 months, PatronBook every 3 weeks. The most recent releases landed on October 26, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 残業バスター | PatronBook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 18 MB | 14 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [MARUBENI IT SOLUTIONS INC.](https://appshunter.io/developer/1389716477) | [Mitsuhiro Hashimoto](https://appshunter.io/developer/509482512) |

## What reviewers say

### 残業バスター

[App page](https://appshunter.io/ios/app/id1389716478)

**Features:** macOS Compatibility

**In-app purchases:** none


### PatronBook

[App page](https://appshunter.io/ios/app/patronbook-client-notes-crm/id6786539042)

Manage client notes, visits, and sales for hospitality professionals. Track guest preferences, log interactions, and view sales performance. Receive birthday reminders and secure your data locally with app lock.

**Highlights:** Easy guest notes with photos and tags, Quick visit logging, Sales tracking and goal progress, Birthday reminders, Local data storage, Face ID/passcode app lock, Guest rankings (Premium)

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

**In-app purchases:** none


## Frequently asked questions

### Is 残業バスター free?

残業バスター is free to download, with no in-app purchases.

### Is PatronBook free?

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

### Do 残業バスター or PatronBook have ads?

Neither 残業バスター nor PatronBook shows ads.

### Which is updated more often, 残業バスター or PatronBook?

残業バスター ships an update every 2 months, and PatronBook every 3 weeks. Most recently, 残業バスター was updated on October 26, 2026 and PatronBook on October 18, 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.*