# Hydro CM vs FishFacts.fo

The clearest difference is ads: Hydro CM at none against FishFacts.fo's shown. Hydro CM also leads on update cadence (every 4 days vs every 9 months) and monetization model (free vs ad-supported). On price, 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.

Hydro CM ships an update every 4 days, FishFacts.fo every 9 months. The most recent releases landed on October 14, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Hydro CM | FishFacts.fo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/hydro-cm/id1132190359/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 9 months |
| Monetization | **Free** | Ad-supported |
| Size | 361 MB | 4 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bloc Digital](https://appshunter.io/developer/873078731) | [FishFacts B.V.](https://appshunter.io/developer/1447608196) |

## What reviewers say

### Hydro CM

[App page](https://appshunter.io/ios/app/hydro-cm/id1132190359)

Explore a 3D augmented reality model of a hydro turbine to understand condition-monitoring solutions. Visualize optimized sensor installations and discover hardware/software that translates data into maintenance actions, protecting your assets and reducing costs.

**Highlights:** Augmented reality turbine visualization, Optimized sensor installation display, Maintenance action insights, Asset protection and optimization, Cost reduction analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### FishFacts.fo

[App page](https://appshunter.io/ios/app/fishfactsfo/id1447608197)

Access detailed information on fishing vessels over 30 meters, including technical specifications, fishing rights, and ownership data. Compare vessels and search by name or company. Data is updated regularly.

**Highlights:** Vessel technical data, Fishing rights information, Company and owner details, Financial reports, Geolocation tracking, Vessel comparison, Search functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hydro CM free?

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

### Is FishFacts.fo free?

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

### Do Hydro CM or FishFacts.fo have ads?

FishFacts.fo shows ads; Hydro CM does not.

### Which is updated more often, Hydro CM or FishFacts.fo?

Hydro CM ships an update every 4 days, and FishFacts.fo every 9 months. Most recently, Hydro CM was updated on October 14, 2026 and FishFacts.fo on October 29, 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.*