# Basic Detection vs FengYuan

The clearest difference is update cadence: Basic Detection at every 2 months against FengYuan's every 15 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Basic Detection ships an update every 2 months, FengYuan every 15 months. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Basic Detection | FengYuan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/basic-detection/id1256836350/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 15 months |
| Monetization | Free | — |
| Size | 37 MB | 33 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Macrotellect Limited](https://appshunter.io/developer/593369519) | [Shenzhen Jiechenxin Technology Co., Ltd](https://appshunter.io/developer/1450224562) |

## What reviewers say

### Basic Detection

[App page](https://appshunter.io/ios/app/basic-detection/id1256836350)

Record and analyze real-time brainwave data, displaying 8 frequency bands. Track concentration and relaxation states to make timely adjustments. Compare saved data sets to monitor changes over time. Requires a BrainLink headband.

**Highlights:** Real-time brainwave monitoring, 8 brainwave frequency bands, Concentration/relaxation state tracking, Data set comparison, Historical data reports, Brainwave activity recording

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

**In-app purchases:** none


### FengYuan

[App page](https://appshunter.io/ios/app/fengyuan/id6474948648)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Basic Detection free?

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

### Is FengYuan free?

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

### Do Basic Detection or FengYuan have ads?

Neither Basic Detection nor FengYuan shows ads.

### Which is updated more often, Basic Detection or FengYuan?

Basic Detection ships an update every 2 months, and FengYuan every 15 months. Most recently, Basic Detection was updated on September 19, 2026 and FengYuan on September 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.*