# スマホで左手デバイス vs Frame Rate Stopwatch

The clearest difference is price: スマホで左手デバイス at Free against Frame Rate Stopwatch's $9.99. スマホで左手デバイス also leads on update cadence (weekly vs every 2 months) and iOS requirement (12.0 vs 17.6). Frame Rate Stopwatch's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

スマホで左手デバイス is free to download; Frame Rate Stopwatch costs $9.99 up front. スマホで左手デバイス sells 1 in-app purchase, starting at $4.99 per month. Frame Rate Stopwatch asks for nothing beyond the download.

スマホで左手デバイス ships an update weekly, Frame Rate Stopwatch every 2 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | スマホで左手デバイス | Frame Rate Stopwatch |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Size | 73 MB | 8 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Keiichiro Fukuda](https://appshunter.io/developer/1649896037) | [Shun Isayama](https://appshunter.io/developer/1578976556) |

## What reviewers say

### スマホで左手デバイス

[App page](https://appshunter.io/ios/app/id6603719752)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の削除と機能の追加 | $4.99 | per month |


### Frame Rate Stopwatch

[App page](https://appshunter.io/ios/app/frame-rate-stopwatch/id6744085157)

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

**In-app purchases:** none


## Frequently asked questions

### Is スマホで左手デバイス free?

スマホで左手デバイス is free to download, with in-app purchases available.

### Is Frame Rate Stopwatch free?

Frame Rate Stopwatch costs $9.99, with no in-app purchases.

### Do スマホで左手デバイス or Frame Rate Stopwatch have ads?

スマホで左手デバイス shows ads; Frame Rate Stopwatch does not.

### Which is updated more often, スマホで左手デバイス or Frame Rate Stopwatch?

スマホで左手デバイス ships an update weekly, and Frame Rate Stopwatch every 2 months. Most recently, スマホで左手デバイス was updated on October 27, 2026 and Frame Rate Stopwatch on October 28, 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.*