# PrimeCalc vs 電卓PRO 余り計算+W税率対応

The clearest difference is in-app purchases: PrimeCalc at none against 電卓PRO 余り計算+W税率対応's 1. PrimeCalc also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 電卓PRO 余り計算+W税率対応 sells 1 one-off in-app purchase. PrimeCalc asks for nothing beyond the download.

PrimeCalc ships an update every 5 weeks, 電卓PRO 余り計算+W税率対応 every 2 months. The most recent releases landed on September 10, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | PrimeCalc | 電卓PRO 余り計算+W税率対応 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 12 MB | 11 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yutaka Nakao](https://appshunter.io/developer/1303008060) | [CHEER UP](https://appshunter.io/developer/1580269213) |

## What reviewers say

### PrimeCalc

[App page](https://appshunter.io/ios/app/primecalc-modprime-factor/id1332239791)

**Features:** macOS Compatibility

**In-app purchases:** none


### 電卓PRO 余り計算+W税率対応

[App page](https://appshunter.io/ios/app/pro-plus-w/id1605352577)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 完全版へのアップグレード | $5.99 | one-time |


## Frequently asked questions

### Is PrimeCalc free?

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

### Is 電卓PRO 余り計算+W税率対応 free?

電卓PRO 余り計算+W税率対応 is free to download, with in-app purchases available.

### Do PrimeCalc or 電卓PRO 余り計算+W税率対応 have ads?

Both PrimeCalc and 電卓PRO 余り計算+W税率対応 show ads.

### Which is updated more often, PrimeCalc or 電卓PRO 余り計算+W税率対応?

PrimeCalc ships an update every 5 weeks, and 電卓PRO 余り計算+W税率対応 every 2 months. Most recently, PrimeCalc was updated on September 10, 2026 and 電卓PRO 余り計算+W税率対応 on August 14, 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.*