# じかんをはかる vs スタンプ

The clearest difference is in-app purchases: スタンプ at none against じかんをはかる's 1. スタンプ also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. じかんをはかる sells 1 one-off in-app purchase. スタンプ asks for nothing beyond the download.

## The numbers

| Metric | じかんをはかる | スタンプ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | — |
| Size | 14 MB | 91 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HIROKI HAYASHI](https://appshunter.io/developer/1602465862) | [naoya onami](https://appshunter.io/developer/1653103622) |

## What reviewers say

### じかんをはかる

[App page](https://appshunter.io/ios/app/for-child/id6444343099)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示と機能制限の解除 | $0.99 | one-time |


### スタンプ

[App page](https://appshunter.io/ios/app/id6501976112)

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

**In-app purchases:** none


## Frequently asked questions

### Is じかんをはかる free?

じかんをはかる is free to download, with in-app purchases available.

### Is スタンプ free?

スタンプ is free to download, with no in-app purchases.

### Do じかんをはかる or スタンプ have ads?

じかんをはかる shows ads; スタンプ does not.

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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.*