# ChromaChecker Nano vs Ametra

The clearest difference is in-app purchases: ChromaChecker Nano at none against Ametra's 2. ChromaChecker Nano also leads on ads (none vs shown) and device support (3 vs 1). Ametra's advantage is update cadence (every 2 months vs every 40 months). On price there is nothing between them.

Both are free to download. Ametra sells 2 in-app purchases, starting at $9.99 per month. ChromaChecker Nano asks for nothing beyond the download.

ChromaChecker Nano ships an update every 40 months, Ametra every 2 months. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ChromaChecker Nano | Ametra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ametra/id6444007791/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 40 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 50 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Colorix SA](https://appshunter.io/developer/372237429) | [SYNTES INC](https://appshunter.io/developer/1504560503) |

## What reviewers say

### ChromaChecker Nano

[App page](https://appshunter.io/ios/app/chromachecker-nano/id1521295739)

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

**In-app purchases:** none


### Ametra

[App page](https://appshunter.io/ios/app/ametra/id6444007791)

Organize paint colors and projects spatially with an extensive color library. Match target colors to paint shades, document progress with photos, and manage client-ready details.

**Highlights:** Spatial project organization, Unlimited projects, 3-step paint color matching, Extensive color library (7,000+ shades), Unlimited saved colors, Photo gallery for project documentation

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Monthly | $9.99 | per month |
| Professional Annual | $89.99 | per year |


## Frequently asked questions

### Is ChromaChecker Nano free?

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

### Is Ametra free?

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

### Do ChromaChecker Nano or Ametra have ads?

Ametra shows ads; ChromaChecker Nano does not.

### Which is updated more often, ChromaChecker Nano or Ametra?

ChromaChecker Nano ships an update every 40 months, and Ametra every 2 months. Most recently, ChromaChecker Nano was updated on October 12, 2026 and Ametra on October 24, 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.*