# Sharp vs Pomorail

The clearest difference is in-app purchases: Sharp at none against Pomorail's 2. Pomorail's advantage is update cadence (daily vs every 4 days) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Pomorail sells 2 in-app purchases, starting at $1.99 per month. Sharp asks for nothing beyond the download.

Sharp ships an update every 4 days, Pomorail daily. The most recent releases landed on October 31, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | Sharp | Pomorail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sharp-my-diary/id6760020254/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | **Free** | Freemium |
| Size | 10 MB | 42 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [OKMIN LEE](https://appshunter.io/developer/1501145758) | [Seonwook Kim](https://appshunter.io/developer/1713880089) |

## 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


### Pomorail

[App page](https://appshunter.io/ios/app/pomorail-pomodoro-focus-timer/id6819307767)

Transform your commute into a focused work or study session. This app uses a 3D train simulation on real tracks to time your focus periods, locking distracting apps until you reach your destination.

**Highlights:** Simulated train rides for focus timing, App locking during focus sessions, 3D train on real tracks, Customizable tasks (work, study, reading), Lock Screen and Dynamic Island integration, Home Screen widgets for quick access, Focus time tracking and history

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $17.99 | per year |


## Frequently asked questions

### Is Sharp free?

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

### Is Pomorail free?

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

### Do Sharp or Pomorail have ads?

Neither Sharp nor Pomorail shows ads.

### Which is updated more often, Sharp or Pomorail?

Sharp ships an update every 4 days, and Pomorail daily. Most recently, Sharp was updated on October 31, 2026 and Pomorail on November 14, 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.*