# Dolphin Connect vs Deutsche Hydrapro

The clearest difference is iOS requirement: Dolphin Connect at 13.0 against Deutsche Hydrapro's 18.0. 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.

Dolphin Connect ships an update every 5 months, Deutsche Hydrapro every 9 months. The most recent releases landed on June 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Dolphin Connect | Deutsche Hydrapro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dolphin-connect/id1498496399/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 9 months |
| Monetization | Free | — |
| Size | 77 MB | 31 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CATS POWER DESIGN](https://appshunter.io/developer/1525909556) | [Deutsche Hydrapro](https://appshunter.io/developer/1731666423) |

## What reviewers say

### Dolphin Connect

[App page](https://appshunter.io/ios/app/dolphin-connect/id1498496399)

Monitor your marine battery charger's performance and receive alerts in real-time from your smartphone or tablet. Track key metrics like charging phase, battery type, voltage, and temperature. The app provides permanent diagnosis with 8 different alerts to ensure your charger and batteries are functioning optimally.

**Highlights:** Live performance monitoring, 10 key performance metrics, Permanent diagnosis with 8 alerts, Supports PROLITE chargers and ALL-in-ONE Gen IV, Multilingual support (5 languages), Real-time dashboard

**Features:** macOS Compatibility

**In-app purchases:** none


### Deutsche Hydrapro

[App page](https://appshunter.io/ios/app/deutsche-hydrapro/id6478074444)

**In-app purchases:** none


## Frequently asked questions

### Is Dolphin Connect free?

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

### Is Deutsche Hydrapro free?

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

### Do Dolphin Connect or Deutsche Hydrapro have ads?

Neither Dolphin Connect nor Deutsche Hydrapro shows ads.

### Which is updated more often, Dolphin Connect or Deutsche Hydrapro?

Dolphin Connect ships an update every 5 months, and Deutsche Hydrapro every 9 months. Most recently, Dolphin Connect was updated on June 24, 2026 and Deutsche Hydrapro on September 16, 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.*