# QwikDim vs Colour Invert

The clearest difference is in-app purchases: Colour Invert at none against QwikDim's 4. Colour Invert also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. QwikDim sells 4 one-off in-app purchases. Colour Invert asks for nothing beyond the download.

## The numbers

| Metric | QwikDim | Colour Invert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 4 MB | 1 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [JAYU SOFTWARE-STUDIO OPC](https://appshunter.io/developer/6780740207) | [Shubham Sharma](https://appshunter.io/developer/1643497398) |

## What reviewers say

### QwikDim

[App page](https://appshunter.io/ios/app/qwikdim/id6798722093)

**Features:** Safari Extension, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Support | $0.99 | one-time |
| Coffee Support | $2.99 | one-time |
| Generous Support | $9.99 | one-time |
| Extra Support | $14.99 | one-time |


### Colour Invert

[App page](https://appshunter.io/ios/app/colour-invert/id6811389278)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is QwikDim free?

QwikDim is free to download, with in-app purchases available.

### Is Colour Invert free?

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

### Do QwikDim or Colour Invert have ads?

Neither QwikDim nor Colour Invert shows ads.

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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.*