# 簿記一級理論 vs 日商簿記1級・2級・3級

The clearest difference is in-app purchases: 簿記一級理論 at none against 日商簿記1級・2級・3級's 1. 簿記一級理論 also leads on ads (none vs shown). 日商簿記1級・2級・3級's advantage is update cadence (daily vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 日商簿記1級・2級・3級 sells 1 one-off in-app purchase. 簿記一級理論 asks for nothing beyond the download.

簿記一級理論 ships an update fortnightly, 日商簿記1級・2級・3級 daily. The most recent releases landed on October 25, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 簿記一級理論 | 日商簿記1級・2級・3級 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Daily** |
| Size | 2 MB | 25 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UKY DESIGN](https://appshunter.io/developer/1895240906) | [Akira Hashimoto](https://appshunter.io/developer/6790164703) |

## What reviewers say

### 簿記一級理論

[App page](https://appshunter.io/ios/app/id6770537747)

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

**In-app purchases:** none


### 日商簿記1級・2級・3級

[App page](https://appshunter.io/ios/app/123/id6824735084)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を非表示 | $2.99 | one-time |


## Frequently asked questions

### Is 簿記一級理論 free?

簿記一級理論 is free to download, with no in-app purchases.

### Is 日商簿記1級・2級・3級 free?

日商簿記1級・2級・3級 is free to download, with in-app purchases available.

### Do 簿記一級理論 or 日商簿記1級・2級・3級 have ads?

日商簿記1級・2級・3級 shows ads; 簿記一級理論 does not.

### Which is updated more often, 簿記一級理論 or 日商簿記1級・2級・3級?

簿記一級理論 ships an update fortnightly, and 日商簿記1級・2級・3級 daily. Most recently, 簿記一級理論 was updated on October 25, 2026 and 日商簿記1級・2級・3級 on November 1, 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.*