# CyanoLakes vs Sthlmpole studio

The clearest difference is in-app purchases: Sthlmpole studio at none against CyanoLakes's 2. Sthlmpole studio also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CyanoLakes sells 2 in-app purchases, starting at $4.99 per month. Sthlmpole studio asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CyanoLakes | Sthlmpole studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/cyanolakes/id1537355837/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Freemium | — |
| Size | 43 MB | 39 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CyanoLakes](https://appshunter.io/developer/1537355839) | [YOGO.DK ApS](https://appshunter.io/developer/1473308022) |

## What reviewers say

### CyanoLakes

[App page](https://appshunter.io/ios/app/cyanolakes/id1537355837)

Receive near real-time forecasts and satellite imagery to avoid harmful algal blooms. Get trusted risk assessments based on WHO guidelines to plan your water activities with confidence. Daily updates are provided for blue-green algal risks, with options to track favorite lakes.

**Highlights:** Harmful algal bloom forecasts, Satellite imagery, WHO-based risk assessments, Daily water quality updates, Personalized lake watchlist, 10-day ahead forecasts (premium)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $4.99 | per month |
| Annual Premium Subscription | $34.99 | per year |


### Sthlmpole studio

[App page](https://appshunter.io/ios/app/sthlmpole-studio/id6502940339)

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

**In-app purchases:** none


## Frequently asked questions

### Is CyanoLakes free?

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

### Is Sthlmpole studio free?

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

### Do CyanoLakes or Sthlmpole studio have ads?

Neither CyanoLakes nor Sthlmpole studio shows ads.

### Which is updated more often, CyanoLakes or Sthlmpole studio?

CyanoLakes ships an update every 4 months, and Sthlmpole studio every 4 months. Most recently, CyanoLakes was updated on October 6, 2026 and Sthlmpole studio on October 24, 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.*