# TCZN vs TabScan

The clearest difference is update cadence: TabScan at monthly against TCZN's every 4 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.

TCZN ships an update every 4 months, TabScan monthly. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TCZN | TabScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 54 MB | 87 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Zhongxinyou M2M Technology Co., Ltd.](https://appshunter.io/developer/1489982535) | [OBD GO TECH CO LTD](https://appshunter.io/developer/1627457928) |

## What reviewers say

### TCZN

[App page](https://appshunter.io/ios/app/tczn/id1475116742)

**Features:** macOS Compatibility

**In-app purchases:** none


### TabScan

[App page](https://appshunter.io/ios/app/tabscan/id6447932761)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TCZN free?

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

### Is TabScan free?

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

### Do TCZN or TabScan have ads?

Neither TCZN nor TabScan shows ads.

### Which is updated more often, TCZN or TabScan?

TCZN ships an update every 4 months, and TabScan monthly. Most recently, TCZN was updated on October 19, 2026 and TabScan on October 6, 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.*