# 倍速時計 vs Presentation Stopwatch

The clearest difference is in-app purchases: Presentation Stopwatch at none against 倍速時計's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 倍速時計 sells 1 one-off in-app purchase. Presentation Stopwatch asks for nothing beyond the download.

## The numbers

| Metric | 倍速時計 | Presentation Stopwatch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 2 MB | 10 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Maho Ishikawa](https://appshunter.io/developer/6793993796) | [Keisuke Shibata](https://appshunter.io/developer/1791551970) |

## What reviewers say

### 倍速時計

[App page](https://appshunter.io/ios/app/id6793993794)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro（買い切り） | $1.99 | one-time |


### Presentation Stopwatch

[App page](https://appshunter.io/ios/app/presentation-stopwatch/id6794340641)

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

**In-app purchases:** none


## Frequently asked questions

### Is 倍速時計 free?

倍速時計 is free to download, with in-app purchases available.

### Is Presentation Stopwatch free?

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

### Do 倍速時計 or Presentation Stopwatch have ads?

Neither 倍速時計 nor Presentation Stopwatch shows ads.

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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.*