# Solve calculation by cellphone vs 通関士 合格ドリル

The clearest difference is in-app purchases: 通関士 合格ドリル at none against Solve calculation by cellphone's 1. Solve calculation by cellphone's advantage is iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Solve calculation by cellphone sells 1 in-app purchase, starting at $1.99 per month. 通関士 合格ドリル asks for nothing beyond the download.

Solve calculation by cellphone ships an update every 5 days, 通関士 合格ドリル weekly. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Solve calculation by cellphone | 通関士 合格ドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Size | 53 MB | 52 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MUTSUMI SUZUKI](https://appshunter.io/developer/1612946812) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Solve calculation by cellphone

[App page](https://appshunter.io/ios/app/solve-calculation-by-cellphone/id6450938144)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited number of problems | $1.99 | per month |


### 通関士 合格ドリル

[App page](https://appshunter.io/ios/app/id6765632497)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solve calculation by cellphone free?

Solve calculation by cellphone is free to download, with in-app purchases available.

### Is 通関士 合格ドリル free?

通関士 合格ドリル is free to download, with no in-app purchases.

### Do Solve calculation by cellphone or 通関士 合格ドリル have ads?

Both Solve calculation by cellphone and 通関士 合格ドリル show ads.

### Which is updated more often, Solve calculation by cellphone or 通関士 合格ドリル?

Solve calculation by cellphone ships an update every 5 days, and 通関士 合格ドリル weekly. Most recently, Solve calculation by cellphone was updated on October 8, 2026 and 通関士 合格ドリル on October 15, 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.*