# 时间大师 vs MiiraSound

The clearest difference is rating: 时间大师 at 5.0 against MiiraSound's 4.5. 时间大师 also leads on in-app purchases (none vs 3) and iOS requirement (14.0 vs 16.6). MiiraSound's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (8 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. MiiraSound sells 3 in-app purchases, starting at $0.99 per month. 时间大师 asks for nothing beyond the download.

时间大师 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: MiiraSound has 8 ratings behind it against 1, so its average is the more settled of the two.

时间大师 ships an update every 2 months, MiiraSound fortnightly. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 时间大师 | MiiraSound |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6472255181/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/miirasound/id6778719212/reviews) |
| Number of ratings | 1 | **8** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 39 MB | 151 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [孔目湖(北京)科技有限公司](https://appshunter.io/developer/1716853334) | [Shimu Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1546370330) |

## What reviewers say

### 时间大师

[App page](https://appshunter.io/ios/app/id6472255181)

This app helps users improve focus and productivity by managing their time effectively. It offers features like data analysis, social motivation, and immersive experiences to combat phone overuse and build better habits.

**Highlights:** Powerful data analysis with simple operation, Engaging interactive design with a sense of ritual, Social features for goal setting and mutual motivation, Rich data feedback and reminders for consistency, Immersive experience with white noise and phone locking, Cloud synchronization across multiple devices

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

**In-app purchases:** none


### MiiraSound

[App page](https://appshunter.io/ios/app/miirasound/id6778719212)

This app provides immersive soundscapes and ambient visuals to enhance focus, study, and relaxation. Create custom sound mixes with lo-fi music and various white noises, track your progress with detailed statistics, and enjoy a peaceful digital space.

**Highlights:** Immersive focus scenes, Lofi music and layered white noise, Full-screen clock, count-up, and countdown modes, Focus tags and session notes, Daily, monthly, and yearly statistics, Home Screen widgets, iCloud sync

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MiiraSound Plus Monthly | $0.99 | per month |
| MiiraSound Plus Yearly | $6.99 | per year |
| MiiraSound Plus Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is 时间大师 free?

时间大师 is free to download, with no in-app purchases.

### Is MiiraSound free?

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

### Which has better reviews, 时间大师 or MiiraSound?

时间大师 is rated higher. 时间大师 averages 5.0 out of 5 from 1 ratings, while MiiraSound averages 4.5 from 8 ratings.

### Do 时间大师 or MiiraSound have ads?

Neither 时间大师 nor MiiraSound shows ads.

### Which is updated more often, 时间大师 or MiiraSound?

时间大师 ships an update every 2 months, and MiiraSound fortnightly. Most recently, 时间大师 was updated on October 17, 2026 and MiiraSound on October 24, 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.*