# インボイス計算 vs Easy Document Maker

The clearest difference is in-app purchases: インボイス計算 at none against Easy Document Maker's 1. インボイス計算 also leads on iOS requirement (13.0 vs 17.0). Easy Document Maker's advantage is update cadence (every 3 days vs every 9 days). On price, ads and device support there is nothing between them.

Both are free to download. Easy Document Maker sells 1 one-off in-app purchase. インボイス計算 asks for nothing beyond the download.

インボイス計算 ships an update every 9 days, Easy Document Maker every 3 days. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | インボイス計算 | Easy Document Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/easy-document-maker/id6774971416/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 9 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [ExOR Inc.](https://appshunter.io/developer/1717324092) | [WEBDIA INC.](https://appshunter.io/developer/1271616115) |

## What reviewers say

### インボイス計算

[App page](https://appshunter.io/ios/app/id6475646168)

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

**In-app purchases:** none


### Easy Document Maker

[App page](https://appshunter.io/ios/app/easy-document-maker/id6774971416)

Create and edit various documents like announcements, reports, and notes directly on your phone. Easily add text, images, and tables, then save, share, or print them as PDFs. Offers flexible layouts and local storage for your files.

**Highlights:** Create documents with text, images, and tables, Multi-column layouts, Edit table cells and manage rows/columns, Customize text, colors, and fonts, Save, share, and print as PDF, Local storage and backup options

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is インボイス計算 free?

インボイス計算 is free to download, with no in-app purchases.

### Is Easy Document Maker free?

Easy Document Maker is free to download, with in-app purchases available.

### Do インボイス計算 or Easy Document Maker have ads?

Both インボイス計算 and Easy Document Maker show ads.

### Which is updated more often, インボイス計算 or Easy Document Maker?

インボイス計算 ships an update every 9 days, and Easy Document Maker every 3 days. Most recently, インボイス計算 was updated on September 21, 2026 and Easy Document Maker on September 10, 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.*