# OTRS vs 領収書メーカー

The clearest difference is in-app purchases: OTRS at none against 領収書メーカー's 2. OTRS also leads on iOS requirement (10 vs 15.5). 領収書メーカー's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. 領収書メーカー sells 2 in-app purchases, starting at $1.99 per month. OTRS asks for nothing beyond the download.

OTRS ships an update every 5 months, 領収書メーカー every 3 weeks. The most recent releases landed on June 5, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | OTRS | 領収書メーカー |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/otrs/id383841790/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 72.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 43 MB | 14 MB |
| Requires iOS | **10** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OTRS Inc.](https://appshunter.io/developer/383841793) | [kenichi kato](https://appshunter.io/developer/913467537) |

## What reviewers say

### OTRS

[App page](https://appshunter.io/ios/app/otrs/id383841790)

This business application provides mobile access to existing OTRS systems, enabling users to manage requests and customer information remotely. It's ideal for field service teams or those needing to stay connected while away from the office, offering quick overviews and secure credential storage.

**Highlights:** Mobile OTRS system access, On-the-go request management, Customer data access, Notifications and quick overviews, Multiple account support, Secure credential storage, Two-factor authentication support

**In-app purchases:** none


### 領収書メーカー

[App page](https://appshunter.io/ios/app/id6443805780)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 年額プラン | $17.49 | per year |


## Frequently asked questions

### Is OTRS free?

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

### Is 領収書メーカー free?

領収書メーカー is free to download, with in-app purchases available.

### Do OTRS or 領収書メーカー have ads?

Neither OTRS nor 領収書メーカー shows ads.

### Which is updated more often, OTRS or 領収書メーカー?

OTRS ships an update every 5 months, and 領収書メーカー every 3 weeks. Most recently, OTRS was updated on June 5, 2026 and 領収書メーカー on September 24, 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.*