# Sharp vs Roost

The clearest difference is in-app purchases: Sharp at none against Roost's 1. Roost's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Roost sells 1 one-off in-app purchase. Sharp asks for nothing beyond the download.

## The numbers

| Metric | Sharp | Roost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sharp-my-diary/id6760020254/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free | — |
| Size | 10 MB | 3 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OKMIN LEE](https://appshunter.io/developer/1501145758) | [HIDEKAZU YAMAOKA](https://appshunter.io/developer/1868565304) |

## What reviewers say

### Sharp

[App page](https://appshunter.io/ios/app/sharp-my-diary/id6760020254)

This app transforms your daily journal entries into unique AI-generated artwork. It uses on-device AI for emotion analysis and character reactions, ensuring your personal thoughts remain private. Build a consistent writing habit with engaging feedback and illustrations.

**Highlights:** AI-generated illustrations from diary entries, On-device AI for privacy, Emotion analysis of journal content, Interactive AI character reactions, Helps build a writing habit

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

**In-app purchases:** none


### Roost

[App page](https://appshunter.io/ios/app/roost-home-maintenance/id6778304600)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Roost Pro | $14.99 | one-time |


## Frequently asked questions

### Is Sharp free?

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

### Is Roost free?

Roost is free to download, with in-app purchases available.

### Do Sharp or Roost have ads?

Neither Sharp nor Roost 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.*