# Prev app vs おそうじリマインダー

The clearest difference is ads: Prev app at none against おそうじリマインダー's shown. Prev app also leads on iOS requirement (11.0 vs 13.0). おそうじリマインダー's advantage is update cadence (every 2 months vs every 7 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Prev app ships an update every 7 months, おそうじリマインダー every 2 months. Both last shipped on September 28, 2026.

## The numbers

| Metric | Prev app | おそうじリマインダー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 2 months** |
| Size | 26 MB | 24 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHINY A LLC](https://appshunter.io/developer/1506297410) | [Kaoru Nishimura](https://appshunter.io/developer/1815862694) |

## What reviewers say

### Prev app

[App page](https://appshunter.io/ios/app/prev-app/id1506297411)

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

**In-app purchases:** none


### おそうじリマインダー

[App page](https://appshunter.io/ios/app/id6747059607)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prev app free?

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

### Is おそうじリマインダー free?

おそうじリマインダー is free to download, with no in-app purchases.

### Do Prev app or おそうじリマインダー have ads?

おそうじリマインダー shows ads; Prev app does not.

### Which is updated more often, Prev app or おそうじリマインダー?

Prev app ships an update every 7 months, and おそうじリマインダー every 2 months. Most recently, Prev app was updated on September 28, 2026 and おそうじリマインダー on September 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.*