# Attention vs 蓝牙小精灵

The clearest difference is in-app purchases: 蓝牙小精灵 at none against Attention's 1. 蓝牙小精灵 also leads on ads (none vs shown) and update cadence (monthly vs every 9 months). On price and device support there is nothing between them.

Both are free to download. Attention sells 1 one-off in-app purchase. 蓝牙小精灵 asks for nothing beyond the download.

Attention ships an update every 9 months, 蓝牙小精灵 monthly. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Attention | 蓝牙小精灵 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Monthly** |
| Size | 19 MB | 76 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [向军 贾](https://appshunter.io/developer/788691093) | [泰迪宝贝](https://appshunter.io/developer/1241200979) |

## What reviewers say

### Attention

[App page](https://appshunter.io/ios/app/attention-brain-training/id978324464)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock function and off AD | $2.99 | one-time |


### 蓝牙小精灵

[App page](https://appshunter.io/ios/app/id1241200980)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Attention free?

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

### Is 蓝牙小精灵 free?

蓝牙小精灵 is free to download, with no in-app purchases.

### Do Attention or 蓝牙小精灵 have ads?

Attention shows ads; 蓝牙小精灵 does not.

### Which is updated more often, Attention or 蓝牙小精灵?

Attention ships an update every 9 months, and 蓝牙小精灵 monthly. Most recently, Attention was updated on October 26, 2026 and 蓝牙小精灵 on November 2, 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.*