# AcTEC vs 信号大师

The clearest difference is update cadence: 信号大师 at every 3 weeks against AcTEC's every 2 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.

AcTEC ships an update every 2 months, 信号大师 every 3 weeks. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | AcTEC | 信号大师 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 137 MB | 27 MB |
| Requires iOS | **11** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [AcTEC (FUZHOU) ELECTRONICS CO., LTD.](https://appshunter.io/developer/1191392763) | [学道 林](https://appshunter.io/developer/1796955251) |

## What reviewers say

### AcTEC

[App page](https://appshunter.io/ios/app/actec/id1606287337)

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

**In-app purchases:** none


### 信号大师

[App page](https://appshunter.io/ios/app/id6749791303)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AcTEC free?

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

### Is 信号大师 free?

信号大师 is free to download, with no in-app purchases.

### Do AcTEC or 信号大师 have ads?

Neither AcTEC nor 信号大师 shows ads.

### Which is updated more often, AcTEC or 信号大师?

AcTEC ships an update every 2 months, and 信号大师 every 3 weeks. Most recently, AcTEC was updated on September 23, 2026 and 信号大师 on September 10, 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.*