# studien(스터디언) vs Pomorail

The clearest difference is in-app purchases: studien(스터디언) at none against Pomorail's 2. Pomorail's advantage is device support (3 vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

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

studien(스터디언) ships an update every 2 days, Pomorail daily. The most recent releases landed on October 31, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | studien(스터디언) | Pomorail |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Monetization | **Free** | Freemium |
| Size | 25 MB | 42 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Rho changjun](https://appshunter.io/developer/6782855349) | [Seonwook Kim](https://appshunter.io/developer/1713880089) |

## What reviewers say

### studien(스터디언)

[App page](https://appshunter.io/ios/app/studien/id6789174316)

This app uses a gamified approach to boost focus and productivity. Track your study sessions with a Pomodoro timer or stopwatch and discover unique planets based on your concentration time. Collect these discoveries in your personal catalog.

**Highlights:** Pomodoro timer with customizable intervals, Stopwatch for flexible time tracking, Gamified planet discovery based on focus time, Personalized planet catalog, Daily goal tracking and progress visualization

**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 studien(스터디언) free?

studien(스터디언) is free to download, with no in-app purchases.

### Is Pomorail free?

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

### Do studien(스터디언) or Pomorail have ads?

Neither studien(스터디언) nor Pomorail shows ads.

### Which is updated more often, studien(스터디언) or Pomorail?

studien(스터디언) ships an update every 2 days, and Pomorail daily. Most recently, studien(스터디언) was updated on October 31, 2026 and Pomorail on November 13, 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.*