# Focus timer vs Kurofune

The clearest difference is in-app purchases: Kurofune at none against Focus timer's 1. Kurofune also leads on ads (none vs shown) and update cadence (every 6 days vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Focus timer sells 1 one-off in-app purchase. Kurofune asks for nothing beyond the download.

Focus timer ships an update every 5 weeks, Kurofune every 6 days. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Focus timer | Kurofune |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.8K ratings)](https://appshunter.io/ios/app/focus-timer-time-keeper/id1239133490/reviews)** | — |
| Number of ratings | **1.8K** | — |
| Positive reviews | 77.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 49 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [书敏 贾](https://appshunter.io/developer/989212128) | [Codemaker - Typing the future](https://appshunter.io/developer/1695900903) |

## What reviewers say

### Focus timer

[App page](https://appshunter.io/ios/app/focus-timer-time-keeper/id1239133490)

Enhance concentration with a Pomodoro-style timer. Choose from various ambient sounds to create a focused work or study environment. Customize focus and break durations, and receive end-of-timer reminders with a selection of sounds.

**Highlights:** Pomodoro timer with customizable intervals, Ambient soundscapes for focus, Customizable focus and break times, End-of-timer reminders with sound options, Minimalist interface with flip animation, Background running support

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Version | $2.99 | one-time |

**What reviewers like**

- 🚀 Simple and functional
- 👍 Minimalistic and aesthetic design
- 🚀 Helps with focus and concentration
- 👍 Useful for studying and work
- 👍 Customizable timer settings

**What reviewers complain about**

- 🐛 Timer inaccuracies
- 🔊 Loud alarm/notification sound
- 🔋 High battery consumption
- 💰 Limited features in free version
- 🔇 No option to disable background sounds

**Reported bugs**

- Timer stops when device is locked or app is minimized
- Inconsistent timer behavior when switching between apps

**Requested features**

- Ability to set custom alarm/notification sounds
- Option to disable background sounds
- Automatic start/stop of focus and break timers
- Customizable timer duration
- Dark mode or theme options


### Kurofune

[App page](https://appshunter.io/ios/app/kurofune/id6759487396)

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

**In-app purchases:** none


## Frequently asked questions

### Is Focus timer free?

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

### Is Kurofune free?

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

### Do Focus timer or Kurofune have ads?

Focus timer shows ads; Kurofune does not.

### Which is updated more often, Focus timer or Kurofune?

Focus timer ships an update every 5 weeks, and Kurofune every 6 days. Most recently, Focus timer was updated on October 12, 2026 and Kurofune on October 5, 2026.

---

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