# TCP Socket WiFi BLE QRCode sms vs Cat CPU System

The clearest difference is update cadence: Cat CPU System at weekly against TCP Socket WiFi BLE QRCode sms's every 5 months. TCP Socket WiFi BLE QRCode sms's advantage is iOS requirement (9.0 vs 15.0). 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.

TCP Socket WiFi BLE QRCode sms ships an update every 5 months, Cat CPU System weekly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | TCP Socket WiFi BLE QRCode sms | Cat CPU System |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Size | 12 MB | 39 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chen yu ling](https://appshunter.io/developer/669289629) | [Brook Design, LLC](https://appshunter.io/developer/1190785004) |

## What reviewers say

### TCP Socket WiFi BLE QRCode sms

[App page](https://appshunter.io/ios/app/tcp-socket-wifi-ble-qrcode-sms/id1058298296)

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

**In-app purchases:** none


### Cat CPU System

[App page](https://appshunter.io/ios/app/cat-cpu-system/id6695728672)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TCP Socket WiFi BLE QRCode sms free?

TCP Socket WiFi BLE QRCode sms is free to download, with no in-app purchases.

### Is Cat CPU System free?

Cat CPU System is free to download, with no in-app purchases.

### Do TCP Socket WiFi BLE QRCode sms or Cat CPU System have ads?

Neither TCP Socket WiFi BLE QRCode sms nor Cat CPU System shows ads.

### Which is updated more often, TCP Socket WiFi BLE QRCode sms or Cat CPU System?

TCP Socket WiFi BLE QRCode sms ships an update every 5 months, and Cat CPU System weekly. Most recently, TCP Socket WiFi BLE QRCode sms was updated on October 26, 2026 and Cat CPU System on October 27, 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.*