# VION Lighting vs ctt light

The clearest difference is update cadence: VION Lighting at monthly against ctt light's every 2 months. ctt light's advantage is iOS requirement (12.3 vs 14.0). 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.

VION Lighting ships an update monthly, ctt light every 2 months. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | VION Lighting | ctt light |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 406 MB | 334 MB |
| Requires iOS | 14.0 | **12.3** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vion Lighting LLC](https://appshunter.io/developer/1797240744) | [CIAN-TIAN Technology Ltd.](https://appshunter.io/developer/1551880952) |

## What reviewers say

### VION Lighting

[App page](https://appshunter.io/ios/app/vion-lighting/id6742171155)

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

**In-app purchases:** none


### ctt light

[App page](https://appshunter.io/ios/app/ctt-light/id6745014818)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VION Lighting free?

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

### Is ctt light free?

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

### Do VION Lighting or ctt light have ads?

Neither VION Lighting nor ctt light shows ads.

### Which is updated more often, VION Lighting or ctt light?

VION Lighting ships an update monthly, and ctt light every 2 months. Most recently, VION Lighting was updated on October 8, 2026 and ctt light on October 14, 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.*