# Colourstart vs Do Health

The clearest difference is review sentiment: Colourstart at 100% against Do Health's 73%. Colourstart also leads on iOS requirement (12.0 vs 16.4). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Colourstart ships an update weekly, Do Health every 11 days. The most recent releases landed on October 11, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Colourstart | Do Health |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 73.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Free | Free |
| Size | 12 MB | 100 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Trichocare Diagnostics Ltd](https://appshunter.io/developer/1619612963) | [Menwell Limited](https://appshunter.io/developer/1715815916) |

## What reviewers say

### Colourstart

[App page](https://appshunter.io/ios/app/colourstart/id1619612961)

This app guides users through a series of questions to determine suitability for a specific hair color product. It also allows users to store test results and photos for sharing with beauty professionals.

**Highlights:** Suitability assessment via questions, Hair color avoidance guidance, Test result storage, Photo capture for results, Shareable with hair professionals

**Features:** macOS Compatibility

**In-app purchases:** none


### Do Health

[App page](https://appshunter.io/ios/app/do-health/id6749564685)

This app analyzes your biology and lifestyle through blood tests to provide personalized weekly action plans for better health. It focuses on simple, actionable steps to improve energy, circulation, and inflammation without overwhelming users.

**Highlights:** Personalized weekly action plans, Blood test analysis (11 core biomarkers), Biological age tracking, Four-pillar health framework (Eat, Move, Relax, Sleep), Companion that learns user needs, Clinical interpretation of biomarkers

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Colourstart free?

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

### Is Do Health free?

Do Health is free to download, with no in-app purchases.

### Do Colourstart or Do Health have ads?

Neither Colourstart nor Do Health shows ads.

### Which is updated more often, Colourstart or Do Health?

Colourstart ships an update weekly, and Do Health every 11 days. Most recently, Colourstart was updated on October 11, 2026 and Do Health on October 28, 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.*