# おくすりもういいかい vs PRN Dose Timer

The clearest difference is in-app purchases: おくすりもういいかい at none against PRN Dose Timer's 1. PRN Dose Timer's advantage is update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PRN Dose Timer sells 1 one-off in-app purchase. おくすりもういいかい asks for nothing beyond the download.

おくすりもういいかい ships an update weekly, PRN Dose Timer every 3 days. The most recent releases landed on September 28, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | おくすりもういいかい | PRN Dose Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 6 MB | 0 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HeberekeKomachi](https://appshunter.io/developer/1868863528) | [keisuke haraguchi](https://appshunter.io/developer/6777524962) |

## What reviewers say

### おくすりもういいかい

[App page](https://appshunter.io/ios/app/id6758208517)

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

**In-app purchases:** none


### PRN Dose Timer

[App page](https://appshunter.io/ios/app/prn-dose-timer/id6799366426)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock | $1.99 | one-time |


## Frequently asked questions

### Is おくすりもういいかい free?

おくすりもういいかい is free to download, with no in-app purchases.

### Is PRN Dose Timer free?

PRN Dose Timer is free to download, with in-app purchases available.

### Do おくすりもういいかい or PRN Dose Timer have ads?

Neither おくすりもういいかい nor PRN Dose Timer shows ads.

### Which is updated more often, おくすりもういいかい or PRN Dose Timer?

おくすりもういいかい ships an update weekly, and PRN Dose Timer every 3 days. Most recently, おくすりもういいかい was updated on September 28, 2026 and PRN Dose Timer on October 5, 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.*