# Colour Photo Effect vs Duotone Image Effect

The clearest difference is ads: Colour Photo Effect at none against Duotone Image Effect's shown. Colour Photo Effect also leads on iOS requirement (10.0 vs 15.6). Duotone Image Effect's advantage is update cadence (every 2 months vs every 9 months). On price, 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.

Colour Photo Effect ships an update every 9 months, Duotone Image Effect every 2 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Colour Photo Effect | Duotone Image Effect |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 43 MB | 18 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Himanshu Yadav](https://appshunter.io/developer/896630775) | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) |

## What reviewers say

### Colour Photo Effect

[App page](https://appshunter.io/ios/app/colour-photo-effect/id993664379)

Transform your photos into artistic masterpieces by selectively desaturating areas or applying vibrant color splashes. This app allows you to create striking black and white images with pops of color, drawing attention to specific details. You can also design photo grids and collages, adding new effects and overlays for a unique artistic touch.

**Highlights:** Selective color splash effect, Desaturate paint option, Create photo grids and collages, Add effects and overlays, Adjustable brush size, Undo improper effects

**Features:** macOS Compatibility

**In-app purchases:** none


### Duotone Image Effect

[App page](https://appshunter.io/ios/app/duotone-image-effect/id6754188984)

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

**In-app purchases:** none


## Frequently asked questions

### Is Colour Photo Effect free?

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

### Is Duotone Image Effect free?

Duotone Image Effect is free to download, with no in-app purchases.

### Do Colour Photo Effect or Duotone Image Effect have ads?

Duotone Image Effect shows ads; Colour Photo Effect does not.

### Which is updated more often, Colour Photo Effect or Duotone Image Effect?

Colour Photo Effect ships an update every 9 months, and Duotone Image Effect every 2 months. Most recently, Colour Photo Effect was updated on November 1, 2026 and Duotone Image Effect on October 30, 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.*