# Trichromy vs Trichromacy

The clearest difference is price: Trichromy at Free against Trichromacy's $1.99. Trichromy also leads on iOS requirement (15.0 vs 18.6). Trichromacy's advantage is in-app purchases (none vs 4). On update cadence, ads and device support there is nothing between them.

Trichromy is free to download; Trichromacy costs $1.99 up front. Trichromy sells 4 one-off in-app purchases. Trichromacy asks for nothing beyond the download.

Trichromy ships an update every 3 weeks, Trichromacy every 2 weeks. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Trichromy | Trichromacy |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/trichromy/id6448881187/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 4 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Héliographe, Inc](https://appshunter.io/developer/1784071997) | [(optional.is)](https://appshunter.io/developer/1071156347) |

## What reviewers say

### Trichromy

[App page](https://appshunter.io/ios/app/trichromy/id6448881187)

Explore trichromatic photography with this unique camera app. Capture stunning color images by layering three monochromatic exposures, offering a distinctive visual style. Experiment with different timings and capture orders for psychedelic or subtle effects.

**Highlights:** Trichromatic photography capture, Layering of 3 monochromatic images, Adjustable delay between exposures, Individual colored shutter controls, Straightforward user interface, Historical photographic process exploration

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $4.99 | one-time |
| Full Unlock | $4.99 | one-time |
| Medium Tip | $9.99 | one-time |
| Large Tip | $19.99 | one-time |


### Trichromacy

[App page](https://appshunter.io/ios/app/trichromacy/id6761666059)

**In-app purchases:** none


## Frequently asked questions

### Is Trichromy free?

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

### Is Trichromacy free?

Trichromacy costs $1.99, with no in-app purchases.

### Do Trichromy or Trichromacy have ads?

Neither Trichromy nor Trichromacy shows ads.

### Which is updated more often, Trichromy or Trichromacy?

Trichromy ships an update every 3 weeks, and Trichromacy every 2 weeks. Most recently, Trichromy was updated on October 5, 2026 and Trichromacy on October 10, 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.*