# Focus timer vs 机器听诊大师

The clearest difference is in-app purchases: 机器听诊大师 at none against Focus timer's 1. 机器听诊大师 also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). Focus timer's advantage is update cadence (every 5 weeks vs every 4 months) and device support (4 vs 2). On price there is nothing between them.

Both are free to download. Focus timer sells 1 one-off in-app purchase. 机器听诊大师 asks for nothing beyond the download.

Focus timer ships an update every 5 weeks, 机器听诊大师 every 4 months. The most recent releases landed on September 25, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Focus timer | 机器听诊大师 |
| --- | --- | --- |
| 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 | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 39 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [书敏 贾](https://appshunter.io/developer/989212128) | [Sucheon (Xiamen) Technologies Co.,Ltd.](https://appshunter.io/developer/1523948455) |

## 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


### 机器听诊大师

[App page](https://appshunter.io/ios/app/id1554822119)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Focus timer free?

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

### Is 机器听诊大师 free?

机器听诊大师 is free to download, with no in-app purchases.

### Do Focus timer or 机器听诊大师 have ads?

Focus timer shows ads; 机器听诊大师 does not.

### Which is updated more often, Focus timer or 机器听诊大师?

Focus timer ships an update every 5 weeks, and 机器听诊大师 every 4 months. Most recently, Focus timer was updated on September 25, 2026 and 机器听诊大师 on September 8, 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.*