# Pomodoro Focus Timer vs Doongsil

The clearest difference is in-app purchases: Doongsil at none against Pomodoro Focus Timer's 3. Doongsil also leads on iOS requirement (15.0 vs 17.0). Pomodoro Focus Timer's advantage is update cadence (every 4 days vs every 18 months). On price, ads and device support there is nothing between them.

Both are free to download. Pomodoro Focus Timer sells 3 in-app purchases, starting at $2.99 per month. Doongsil asks for nothing beyond the download.

Pomodoro Focus Timer ships an update every 4 days, Doongsil every 18 months. The most recent releases landed on September 22, 2026 and May 25, 2026 respectively.

## The numbers

| Metric | Pomodoro Focus Timer | Doongsil |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (194 ratings)](https://appshunter.io/ios/app/pomodoro-focus-timer-onething/id1621897751/reviews)** | — |
| Number of ratings | **194** | — |
| Positive reviews | 90.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 18 months |
| Monetization | Free with in-app purchases | — |
| Size | 166 MB | 33 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pepper Factory](https://appshunter.io/developer/1621897753) | [Minseok Song](https://appshunter.io/developer/1680507122) |

## What reviewers say

### Pomodoro Focus Timer

[App page](https://appshunter.io/ios/app/pomodoro-focus-timer-onething/id1621897751)

Dedicate one focused hour each day to a single task for personal growth. This app helps you stay on track with your reading, studying, or exercise goals. Reclaim your time and make it yours.

**Highlights:** Daily one-hour focus sessions, Single task dedication, Personal growth activities, Study and work focus, Exercise tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneThing Premium | $2.99 | per month |
| OneThing Premium | $24.99 | per year |
| OneThing Premium | $44.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive user interface
- 🎯 Effective focus and concentration tool
- 🔒 App blocking feature prevents distractions
- 📊 Helpful progress tracking and visualizations
- ⏱️ Pomodoro timer functionality works well

**What reviewers complain about**

- 🔔 Excessive review request notifications
- 🐛 App lock feature has frequent errors
- ⏰ Missing alarm notification when timer ends
- 🎨 Timer display could look more modern
- 📱 Limited customization options

**Reported bugs**

- App lock mode frequently malfunctions
- Timer doesn't sound alarm when time ends
- App crashes regularly
- Circle timer not centered properly
- Timer overlaps and restarts with visual glitches

**Requested features**

- Multiple goals/tasks at the same time
- Alarm notification when focus session ends
- Time of day tracking for studying patterns
- Pie chart showing daily focus distribution
- Week and month view for pie charts


### Doongsil

[App page](https://appshunter.io/ios/app/doongsil-goal-timer/id6478134949)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pomodoro Focus Timer free?

Pomodoro Focus Timer is free to download, with in-app purchases available.

### Is Doongsil free?

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

### Do Pomodoro Focus Timer or Doongsil have ads?

Both Pomodoro Focus Timer and Doongsil show ads.

### Which is updated more often, Pomodoro Focus Timer or Doongsil?

Pomodoro Focus Timer ships an update every 4 days, and Doongsil every 18 months. Most recently, Pomodoro Focus Timer was updated on September 22, 2026 and Doongsil on May 25, 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.*