# 작심삼일 vs Focus Timer

The clearest difference is price: 작심삼일 at Free against Focus Timer's $2.99. 작심삼일 also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (12.0 vs 18.0). Focus Timer's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

작심삼일 is free to download; Focus Timer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

작심삼일 ships an update every 2 days, Focus Timer every 2 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 작심삼일 | Focus Timer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 45 MB | 164 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pathfinder, Incorporated](https://appshunter.io/developer/1688966386) | [SnapWorks Lab](https://appshunter.io/developer/1885406324) |

## What reviewers say

### 작심삼일

[App page](https://appshunter.io/ios/app/id6757416865)

**Features:** macOS Compatibility

**In-app purchases:** none


### Focus Timer

[App page](https://appshunter.io/ios/app/focus-timer-flight-pomodoro/id6809570318)

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

**In-app purchases:** none


## Frequently asked questions

### Is 작심삼일 free?

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

### Is Focus Timer free?

Focus Timer costs $2.99, with no in-app purchases.

### Do 작심삼일 or Focus Timer have ads?

작심삼일 shows ads; Focus Timer does not.

### Which is updated more often, 작심삼일 or Focus Timer?

작심삼일 ships an update every 2 days, and Focus Timer every 2 weeks. Most recently, 작심삼일 was updated on October 31, 2026 and Focus Timer on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*