# SweetSleep vs 大脑锻炼

The clearest difference is rating: 大脑锻炼 at 5.0 against SweetSleep's 1.0. 大脑锻炼 also leads on update cadence (every 10 days vs every 6 weeks) and iOS requirement (13.0 vs 15.6). SweetSleep's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 大脑锻炼 sells 1 one-off in-app purchase. SweetSleep asks for nothing beyond the download.

大脑锻炼 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

SweetSleep ships an update every 6 weeks, 大脑锻炼 every 10 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SweetSleep | 大脑锻炼 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/sweetsleep-relax/id1089552542/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/brainfit/id1246675507/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 50 MB | 39 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Omesoft](https://appshunter.io/developer/376298490) | [涛 殷](https://appshunter.io/developer/478791127) |

## What reviewers say

### SweetSleep

[App page](https://appshunter.io/ios/app/sweetsleep-relax/id1089552542)

This application uses advanced digital audio synthesis technology to adjust sound wave frequencies. It aims to help users achieve an optimal brain state for relaxation and passion, empowering them to manage their well-being without medication.

**Highlights:** Digital audio synthesis, Sound wave frequency adjustment, Brain state optimization, DIY well-being management, Passion and relaxation enhancement

**Features:** Vision Pro support

**In-app purchases:** none


### 大脑锻炼

[App page](https://appshunter.io/ios/app/brainfit/id1246675507)

Engage in a variety of brain-training exercises designed to test and improve cognitive functions like recognition, memory, and calculation. Features include visual and color recognition, math problems, memory tests, and attention exercises. It also offers color blindness and logic puzzle games.

**Highlights:** Visual and color recognition tests, Mathematical calculation exercises, Instant memory and attention span tests, Color blindness testing, Logic puzzles (Number and Huarong Dao), Casual games for stress relief

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RMB18-Ad Free | $2.99 | one-time |


## Frequently asked questions

### Is SweetSleep free?

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

### Is 大脑锻炼 free?

大脑锻炼 is free to download, with in-app purchases available.

### Which has better reviews, SweetSleep or 大脑锻炼?

大脑锻炼 is rated higher. SweetSleep averages 1.0 out of 5 from 4 ratings, while 大脑锻炼 averages 5.0 from 1 ratings.

### Do SweetSleep or 大脑锻炼 have ads?

大脑锻炼 shows ads; SweetSleep does not.

### Which is updated more often, SweetSleep or 大脑锻炼?

SweetSleep ships an update every 6 weeks, and 大脑锻炼 every 10 days. Most recently, SweetSleep was updated on October 8, 2026 and 大脑锻炼 on October 7, 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.*