# TCZN vs lightthings

The clearest difference is update cadence: TCZN at every 4 months against lightthings's every 14 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, lightthings every 14 months. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | TCZN | lightthings |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 14 months |
| Size | 54 MB | 33 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zhongxinyou M2M Technology Co., Ltd.](https://appshunter.io/developer/1489982535) | [Shenzhen Tech-wing Precision Electronics Co.,LTD](https://appshunter.io/developer/1654488267) |

## What reviewers say

### TCZN

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

**Features:** macOS Compatibility

**In-app purchases:** none


### lightthings

[App page](https://appshunter.io/ios/app/lightthings/id6444407232)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TCZN free?

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

### Is lightthings free?

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

### Do TCZN or lightthings have ads?

Neither TCZN nor lightthings shows ads.

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

TCZN ships an update every 4 months, and lightthings every 14 months. Most recently, TCZN was updated on September 15, 2026 and lightthings on September 11, 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.*