# Rollo vs 倍速時計

The clearest difference is in-app purchases: Rollo at none against 倍速時計's 1. Rollo also leads on iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Rollo | 倍速時計 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 34 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SHU USHIO](https://appshunter.io/developer/1839386419) | [Maho Ishikawa](https://appshunter.io/developer/6793993796) |

## What reviewers say

### Rollo

[App page](https://appshunter.io/ios/app/rollo/id6782277548)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Rollo free?

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

### Is 倍速時計 free?

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

### Do Rollo or 倍速時計 have ads?

Neither Rollo nor 倍速時計 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.*