# 請求書作成アプリ vs 契約リマインダー

The clearest difference is in-app purchases: 請求書作成アプリ at none against 契約リマインダー's 2. 契約リマインダー's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 契約リマインダー sells 2 in-app purchases, starting at $0.49 per month. 請求書作成アプリ asks for nothing beyond the download.

請求書作成アプリ ships an update every 3 days, 契約リマインダー every 5 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | 請求書作成アプリ | 契約リマインダー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 5 days |
| Size | 64 MB | 91 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Yahata](https://appshunter.io/developer/1590150102) | [Moeki Kozawa](https://appshunter.io/developer/1770452138) |

## What reviewers say

### 請求書作成アプリ

[App page](https://appshunter.io/ios/app/id6747942011)

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

**In-app purchases:** none


### 契約リマインダー

[App page](https://appshunter.io/ios/app/id6762612924)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 月額プラン | $0.49 | per month |
| Pro 年額プラン | $5.99 | per year |


## Frequently asked questions

### Is 請求書作成アプリ free?

請求書作成アプリ is free to download, with no in-app purchases.

### Is 契約リマインダー free?

契約リマインダー is free to download, with in-app purchases available.

### Do 請求書作成アプリ or 契約リマインダー have ads?

請求書作成アプリ shows ads; 契約リマインダー does not.

### Which is updated more often, 請求書作成アプリ or 契約リマインダー?

請求書作成アプリ ships an update every 3 days, and 契約リマインダー every 5 days. Most recently, 請求書作成アプリ was updated on October 28, 2026 and 契約リマインダー on October 28, 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.*