# Voltono X vs 動画de計測 | 簡単正確

The clearest difference is in-app purchases: Voltono X at none against 動画de計測 | 簡単正確's 2. Voltono X also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 動画de計測 | 簡単正確 sells 2 in-app purchases, starting at $0.99 per month. Voltono X asks for nothing beyond the download.

Voltono X ships an update every 9 days, 動画de計測 | 簡単正確 every 5 days. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Voltono X | 動画de計測 | 簡単正確 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 64 MB | 16 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [株式会社S-CADE](https://appshunter.io/developer/1621269147) | [Hiroaki Nagano](https://appshunter.io/developer/1887183960) |

## What reviewers say

### Voltono X

[App page](https://appshunter.io/ios/app/voltono-x/id6752209687)

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

**In-app purchases:** none


### 動画de計測 | 簡単正確

[App page](https://appshunter.io/ios/app/de/id6770819989)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 月額 | $0.99 | per month |
| Pro 買い切り | $4.99 | one-time |


## Frequently asked questions

### Is Voltono X free?

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

### Is 動画de計測 | 簡単正確 free?

動画de計測 | 簡単正確 is free to download, with in-app purchases available.

### Do Voltono X or 動画de計測 | 簡単正確 have ads?

動画de計測 | 簡単正確 shows ads; Voltono X does not.

### Which is updated more often, Voltono X or 動画de計測 | 簡単正確?

Voltono X ships an update every 9 days, and 動画de計測 | 簡単正確 every 5 days. Most recently, Voltono X was updated on September 9, 2026 and 動画de計測 | 簡単正確 on September 17, 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.*