# COLOURLOCK® ColourWatchPRO vs Challenger App

The clearest difference is update cadence: COLOURLOCK® ColourWatchPRO at every 2 months against Challenger App's every 5 months. Challenger App's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

COLOURLOCK® ColourWatchPRO ships an update every 2 months, Challenger App every 5 months. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | COLOURLOCK® ColourWatchPRO | Challenger App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 14 MB | 41 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MSP Systems Ltd](https://appshunter.io/developer/1237501095) | [Coteng NV](https://appshunter.io/developer/1479551392) |

## What reviewers say

### COLOURLOCK® ColourWatchPRO

[App page](https://appshunter.io/ios/app/colourlock-colourwatchpro/id1497169746)

Scan leather colors with a connected device to instantly receive precise mixing recipes for over 2,000 shades. This app simplifies the process of matching and creating leather dyes for automotive and furniture applications.

**Highlights:** Scan leather colors, Bluetooth connectivity, Recipe suggestions, Mixing instructions, Extensive color database, Automotive and furniture shades

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

**In-app purchases:** none


### Challenger App

[App page](https://appshunter.io/ios/app/challenger-app/id1586938718)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is COLOURLOCK® ColourWatchPRO free?

COLOURLOCK® ColourWatchPRO is free to download, with no in-app purchases.

### Is Challenger App free?

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

### Do COLOURLOCK® ColourWatchPRO or Challenger App have ads?

Neither COLOURLOCK® ColourWatchPRO nor Challenger App shows ads.

### Which is updated more often, COLOURLOCK® ColourWatchPRO or Challenger App?

COLOURLOCK® ColourWatchPRO ships an update every 2 months, and Challenger App every 5 months. Most recently, COLOURLOCK® ColourWatchPRO was updated on October 10, 2026 and Challenger App on October 13, 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.*