# 오직 온라인센터 vs Ultimate Focus

The clearest difference is in-app purchases: 오직 온라인센터 at none against Ultimate Focus's 4. 오직 온라인센터 also leads on iOS requirement (12.0 vs 15.0). Ultimate Focus's advantage is update cadence (every 3 weeks vs every 8 months) and review sentiment (85% vs 60%). On price and ads there is nothing between them.

Both are free to download. Ultimate Focus sells 4 in-app purchases, starting at $2.99 per month. 오직 온라인센터 asks for nothing beyond the download.

오직 온라인센터 ships an update every 8 months, Ultimate Focus every 3 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 오직 온라인센터 | Ultimate Focus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (183 ratings)](https://appshunter.io/ios/app/ultimate-focus-visual-timer/id1663556775/reviews)** |
| Number of ratings | — | **183** |
| Positive reviews | 60.0% of reviews | **85.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 61 MB | 92 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [ohjic corp.](https://appshunter.io/developer/480600062) | [StonicSolution](https://appshunter.io/developer/1609276235) |

## What reviewers say

### 오직 온라인센터

[App page](https://appshunter.io/ios/app/id1505481030)

This app provides convenient access to church ministry services for members of Ohjic denomination churches. It allows users to utilize various services related to church activities. If login issues arise, contact your church office to verify your registered name and phone number.

**Highlights:** Church ministry services access, Convenient for church members, Login support, Service utilization

**Features:** macOS Compatibility

**In-app purchases:** none


### Ultimate Focus

[App page](https://appshunter.io/ios/app/ultimate-focus-visual-timer/id1663556775)

Enhance your productivity with a visual timer designed for focused work and study. Manage tasks, utilize Pomodoro cycles, block distractions, and track your progress. Sync with your calendar and personalize your experience with customizable themes and sounds.

**Highlights:** Visual timer with drag-to-set functionality, Task-specific focus sessions, Pomodoro mode for cycles, Distracting app and website blocking, Calendar sync for sessions and reflections, Customizable themes and icons, Home Screen widgets and Shortcuts integration

**Features:** Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ultimate Focus - Monthly | $2.99 | per month |
| Ultimate Focus - Annual | $17.99 | per year |
| Ultimate Focus - Annual | $17.99 | per year |
| Ultimate Focus - Lifetime | $39.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive UI
- ✨ Beautiful and clean aesthetic
- ⌚️ Apple Watch integration
- 📊 Useful analytics and statistics
- 🖱️ Menu bar timer display

**What reviewers complain about**

- 🐛 Pomodoro mode not working for some
- 🐛 Timer not movable after exiting desktop app
- 🐛 Session switching on iPhone is confusing
- 🐛 Subscription not as advertised
- 🐛 Shortcuts only allow one section selection

**Reported bugs**

- Pomodoro mode not working
- Timer not movable after exiting desktop app
- Session switching on iPhone is confusing
- Shortcuts only allow one section selection
- Default timer is always 25 min

**Requested features**

- Pause and resume timer functionality
- Guide website for usage
- Option to purchase premium
- Improve iPhone session switching clarity
- Pomodoro mode without breaks


## Frequently asked questions

### Is 오직 온라인센터 free?

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

### Is Ultimate Focus free?

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

### Do 오직 온라인센터 or Ultimate Focus have ads?

Neither 오직 온라인센터 nor Ultimate Focus shows ads.

### Which is updated more often, 오직 온라인센터 or Ultimate Focus?

오직 온라인센터 ships an update every 8 months, and Ultimate Focus every 3 weeks. Most recently, 오직 온라인센터 was updated on September 21, 2026 and Ultimate Focus on September 22, 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.*