# CodTec Scanner vs Zai Chat

The clearest difference is update cadence: Zai Chat at every 4 days against CodTec Scanner's every 2 weeks. 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.

CodTec Scanner ships an update every 2 weeks, Zai Chat every 4 days. The most recent releases landed on September 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | CodTec Scanner | Zai Chat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 22 MB | 48 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alexandre Holanda de Melo](https://appshunter.io/developer/1711825005) | [Hg Consultoria](https://appshunter.io/developer/1888212616) |

## What reviewers say

### CodTec Scanner

[App page](https://appshunter.io/ios/app/codtec-scanner/id6469350167)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zai Chat

[App page](https://appshunter.io/ios/app/zai-chat/id6761195334)

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

**In-app purchases:** none


## Frequently asked questions

### Is CodTec Scanner free?

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

### Is Zai Chat free?

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

### Do CodTec Scanner or Zai Chat have ads?

Neither CodTec Scanner nor Zai Chat shows ads.

### Which is updated more often, CodTec Scanner or Zai Chat?

CodTec Scanner ships an update every 2 weeks, and Zai Chat every 4 days. Most recently, CodTec Scanner was updated on September 25, 2026 and Zai Chat on October 12, 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.*