# Colours App vs Rock Identifier Pro

The clearest difference is ads: Colours App at none against Rock Identifier Pro's shown. Colours App also leads on device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Colours App ships an update every 5 weeks, Rock Identifier Pro every 2 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Colours App | Rock Identifier Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rock-identifier-pro/id6768203631/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 141 MB | 51 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Colours Universal Incorporated (Private) limited](https://appshunter.io/developer/1820953214) | [shahida parveen](https://appshunter.io/developer/1851386391) |

## What reviewers say

### Colours App

[App page](https://appshunter.io/ios/app/colours-app/id6748021258)

**Features:** Vision Pro support

**In-app purchases:** none


### Rock Identifier Pro

[App page](https://appshunter.io/ios/app/rock-identifier-pro/id6768203631)

Identify rocks and minerals with photo analysis and test gold purity using density measurements. Detect metallic anomalies with a magnetic scanner, leveraging device sensors and physics principles for practical field use.

**Highlights:** Magnetic metal scanning, Gold purity and density testing, Rock and mineral identification via photo, Visual reference guide, Live graphical chart for magnetic field

**In-app purchases:** none


## Frequently asked questions

### Is Colours App free?

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

### Is Rock Identifier Pro free?

Rock Identifier Pro is free to download, with no in-app purchases.

### Do Colours App or Rock Identifier Pro have ads?

Rock Identifier Pro shows ads; Colours App does not.

### Which is updated more often, Colours App or Rock Identifier Pro?

Colours App ships an update every 5 weeks, and Rock Identifier Pro every 2 months. Most recently, Colours App was updated on October 24, 2026 and Rock Identifier Pro on October 22, 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.*