# oPHOTO vs Trichromatic

The clearest difference is in-app purchases: oPHOTO at none against Trichromatic's 1. oPHOTO also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Trichromatic sells 1 one-off in-app purchase. oPHOTO asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on May 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | oPHOTO | Trichromatic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trichromatic/id1591806612/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | Every 6 days |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 14 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CRYSTAL SKY SOLUTIONS, INC](https://appshunter.io/developer/1163569476) | [Christian Lobach](https://appshunter.io/developer/516573165) |

## What reviewers say

### oPHOTO

[App page](https://appshunter.io/ios/app/ophoto-slideshow/id1464553288)

**In-app purchases:** none


### Trichromatic

[App page](https://appshunter.io/ios/app/trichromatic/id1591806612)

This app captures three distinct monochrome images using red, green, and blue filters, then merges them into a single creative photograph. Users can adjust various image parameters and share their unique creations.

**Highlights:** Capture RGB monochrome photos, Combine into one image, Adjust intervals between shots, Zoom and reframe options, Enable flash, Adjust brightness, contrast, saturation, sharpness, Save and share final image

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Watermark | $1.99 | one-time |


## Frequently asked questions

### Is oPHOTO free?

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

### Is Trichromatic free?

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

### Do oPHOTO or Trichromatic have ads?

Neither oPHOTO nor Trichromatic shows ads.

### Which is updated more often, oPHOTO or Trichromatic?

oPHOTO ships an update every 6 days, and Trichromatic every 6 days. Most recently, oPHOTO was updated on May 16, 2026 and Trichromatic on October 7, 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.*