# Datacolor ColorReader vs CertaOne Mobile

The clearest difference is rating: Datacolor ColorReader at 4.7 against CertaOne Mobile's 3.1. Datacolor ColorReader also leads on ratings volume (699 vs 13). CertaOne Mobile's advantage is in-app purchases (none vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Datacolor ColorReader sells 4 in-app purchases, starting at $9.99 per month. CertaOne Mobile asks for nothing beyond the download.

Datacolor ColorReader holds the better App Store score, 4.7 against 3.1. That said, the two scores are not equally well evidenced: Datacolor ColorReader has 699 ratings behind it against 13, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Datacolor ColorReader | CertaOne Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (699 ratings)](https://appshunter.io/ios/app/datacolor-colorreader/id1217566816/reviews)** | [3.1 (13 ratings)](https://appshunter.io/ios/app/certaone-mobile/id1337963659/reviews) |
| Number of ratings | **699** | 13 |
| Positive reviews | 25.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 34 MB | 25 MB |
| Requires iOS | 13 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Datacolor Inc.](https://appshunter.io/developer/432310628) | [CertaPro Painters](https://appshunter.io/developer/484308178) |

## What reviewers say

### Datacolor ColorReader

[App page](https://appshunter.io/ios/app/datacolor-colorreader/id1217566816)

This app helps professionals and DIYers accurately match paint colors from walls or objects to popular paint brands. It provides color values and recommendations, saving time and ensuring job quality.

**Highlights:** Accurate paint color matching (>90%), Matches to uploaded fan decks, Build, save, and share color palettes, Color measurement history, Color scheme recommendations, Get paint brand color name and number, Provides RGB, Hex, CIELab values

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NCS Colour (monthly) | $9.99 | per month |
| British Standards (monthly) | $14.99 | per month |
| NCS Colour (yearly) | $89.99 | per year |
| British Standards (yearly) | $149.99 | per year |

**What reviewers like**

- 🎨 Accurate color matching on ceiling colors
- 📚 Comprehensive paint brand library
- ⚡ Quick and efficient scanning process
- 🎯 Useful complementary color schemes
- 👍 Minimal app permissions required

**What reviewers complain about**

- 🐛 Frequent connection failures between device and app
- ❌ Poor color accuracy on walls and samples
- 📵 App requires device connection to view saved colors
- 🔄 Outdated and missing paint colors in library
- 🎨 Inconsistent results across different lighting conditions

**Reported bugs**

- Blank page on device registration
- White screen during app startup
- Calibration failed error messages
- Device won't connect to smartphone
- Bluetooth connectivity issues requiring multiple attempts

**Requested features**

- Store scanned colors on phone without device connection
- Cloud sync for color history across devices
- Tutorial or guided walkthrough for app navigation
- Ability to delete individual colors from history
- Reorder colors within custom palettes


### CertaOne Mobile

[App page](https://appshunter.io/ios/app/certaone-mobile/id1337963659)

Streamline your project workflow with a tool designed for creating estimates and managing job details. This application helps professionals organize their tasks and client information efficiently.

**Highlights:** Estimate creation, Job management, Task organization, Client information management

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

**In-app purchases:** none


## Frequently asked questions

### Is Datacolor ColorReader free?

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

### Is CertaOne Mobile free?

CertaOne Mobile is free to download, with no in-app purchases.

### Which has better reviews, Datacolor ColorReader or CertaOne Mobile?

Datacolor ColorReader is rated higher. Datacolor ColorReader averages 4.7 out of 5 from 699 ratings, while CertaOne Mobile averages 3.1 from 13 ratings.

### Do Datacolor ColorReader or CertaOne Mobile have ads?

Neither Datacolor ColorReader nor CertaOne Mobile shows ads.

### Which is updated more often, Datacolor ColorReader or CertaOne Mobile?

Datacolor ColorReader ships an update every 2 months, and CertaOne Mobile every 2 months. Most recently, Datacolor ColorReader was updated on October 14, 2026 and CertaOne Mobile on October 12, 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.*