# Bloomin' Algae vs ColourWorker

The clearest difference is update cadence: Bloomin' Algae at every 2 months against ColourWorker's every 5 months. ColourWorker's advantage is iOS requirement (13.2 vs 15.0). 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.

Bloomin' Algae ships an update every 2 months, ColourWorker every 5 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Bloomin' Algae | ColourWorker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bloomin-algae/id1220522608/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 30.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 23 MB | 10 MB |
| Requires iOS | 15.0 | **13.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Centre for Ecology and Hydrology](https://appshunter.io/developer/986306797) | [Miguel Garvie](https://appshunter.io/developer/1545547691) |

## What reviewers say

### Bloomin' Algae

[App page](https://appshunter.io/ios/app/bloomin-algae/id1220522608)

Identify and log blue-green algae in various water bodies. Record associated activities to understand the impact of blooms on recreational use. Helps assess risks to human and animal health.

**Highlights:** Blue-green algae identification, Algae recording, Activity logging, Risk assessment for water activities, Understanding bloom impact

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

**In-app purchases:** none


### ColourWorker

[App page](https://appshunter.io/ios/app/colourworker/id1561852001)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bloomin' Algae free?

Bloomin' Algae is free to download, with no in-app purchases.

### Is ColourWorker free?

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

### Do Bloomin' Algae or ColourWorker have ads?

Neither Bloomin' Algae nor ColourWorker shows ads.

### Which is updated more often, Bloomin' Algae or ColourWorker?

Bloomin' Algae ships an update every 2 months, and ColourWorker every 5 months. Most recently, Bloomin' Algae was updated on October 5, 2026 and ColourWorker on October 6, 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.*