# Trichromacy vs Night & Thermal Vision Camera

The clearest difference is price: Night & Thermal Vision Camera at Free against Trichromacy's $1.99. Trichromacy's advantage is in-app purchases (none vs 3) and update cadence (every 2 weeks vs monthly). On ads, device support and iOS requirement there is nothing between them.

Night & Thermal Vision Camera is free to download; Trichromacy costs $1.99 up front. Night & Thermal Vision Camera sells 3 in-app purchases, starting at $5.99 per 7 days. Trichromacy asks for nothing beyond the download.

Trichromacy ships an update every 2 weeks, Night & Thermal Vision Camera monthly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Trichromacy | Night & Thermal Vision Camera |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 4 MB | 36 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [(optional.is)](https://appshunter.io/developer/1071156347) | [Diana Pogosova](https://appshunter.io/developer/6777032436) |

## What reviewers say

### Trichromacy

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

**In-app purchases:** none


### Night & Thermal Vision Camera

[App page](https://appshunter.io/ios/app/night-and-thermal-vision-camera/id6779616721)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Night Vision Pro Weekly | $5.99 | per 7 days |
| Night Vision Pro Yearly | $39.99 | per year |
| Night Vision Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Trichromacy free?

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

### Is Night & Thermal Vision Camera free?

Night & Thermal Vision Camera is free to download, with in-app purchases available.

### Do Trichromacy or Night & Thermal Vision Camera have ads?

Neither Trichromacy nor Night & Thermal Vision Camera shows ads.

### Which is updated more often, Trichromacy or Night & Thermal Vision Camera?

Trichromacy ships an update every 2 weeks, and Night & Thermal Vision Camera monthly. Most recently, Trichromacy was updated on October 23, 2026 and Night & Thermal Vision Camera on October 25, 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.*