Comparison

Dolphin Connect vs H2O Audio PRO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Dolphin Connect

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
Read full description

The "Dolphin Connect" App allows you to follow the performance of your PROLITE marine battery charger and ALL-in-ONE energy cabinet, live from your smartphone and your tablet. - Free The Dolphin Connect App is free: it works with all PROLITE charger models and with ALL-in-ONE Generation IV models (from Q1-2020) - Complete, live monitoring The "Dolphin Connect" dashboard allows you to monitor, in real time, the 10 main performances of your marine battery charger: 1. Charging phase in progress (Float, Absorbtion, Boost) 2. Battery type 3. Maximum authorized power 4. Charging voltage (output) 5. Input voltage 6. Battery voltage #1 7. Battery voltage #2 8. Battery voltage #3 9. Battery temperature 10. Number of charging cycles - Multilingual Dolphin Connect is available in 5 languages: French, English, Italian, German and Spanish - Permanent diagnosis (8 alerts) Dolphin Connect keeps your charger and batteries under constant surveillance: 1. Output undervoltage 2. Output overvoltage 3. Excessive internal temperature 4. Battery polarity reversal 5. Input undervoltage 6. Excessive battery temperature 7. Hydrogen alarm (based on chargers specifications) 8. Input overvoltage

About

H2O Audio PRO

This utility app allows users to manage their H2O Audio devices. It provides functionality for updating device software and organizing music playlists.

Highlights
  • Manage H2O Audio Devices
  • Update device software
  • Manage PLAYLIST+ audio
Features
Read full description

Manage H2O Audio Devices, Update software, Manage PLAYLIST+ audio.

Screenshots

Dolphin Connect4 screens
H2O Audio PRO3 screens

Verdict

The call

The clearest difference is rating: Dolphin Connect at 3.0 against H2O Audio PRO's 1.8. H2O Audio PRO's advantage is ratings volume (27 vs 2) and update cadence (every 3 months vs every 5 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Dolphin Connect holds the better App Store score, 3.0 against 1.8. That said, the two scores are not equally well evidenced: H2O Audio PRO has 27 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Dolphin Connect ships an update every 5 months, H2O Audio PRO every 3 months. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
Dolphin Connect versus H2O Audio PRO: the parameters behind the verdict, then further details
ParameterDolphin ConnectH2O Audio PRO
PriceFreeFree
Rating3.0 (2 ratings) — better1.8 (27 ratings)
Positive reviews—15.8% of reviews
Number of ratings227 — better
Update frequencyEvery 5 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size77 MB9 MB
Age rating4+4+
DeveloperCATS POWER DESIGNH2O Audio

Customer experience

Dolphin Connect

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

H2O Audio PRO

All ratings26 ratings
Positive15.4%
Neutral3.8%
Negative80.8%
Written reviews38 reviews
Positive15.8%
Neutral2.6%
Negative81.6%

In-app purchases

None

Dolphin Connect

No in-app purchases

None

H2O Audio PRO

No in-app purchases

Questions

Is Dolphin Connect free?
Dolphin Connect is free to download, with no in-app purchases.
Is H2O Audio PRO free?
H2O Audio PRO is free to download, with no in-app purchases.
Which has better reviews, Dolphin Connect or H2O Audio PRO?
Dolphin Connect is rated higher. Dolphin Connect averages 3.0 out of 5 from 2 ratings, while H2O Audio PRO averages 1.8 from 27 ratings.
Do Dolphin Connect or H2O Audio PRO have ads?
Neither Dolphin Connect nor H2O Audio PRO shows ads.
Which is updated more often, Dolphin Connect or H2O Audio PRO?
Dolphin Connect ships an update every 5 months, and H2O Audio PRO every 3 months. Most recently, Dolphin Connect was updated on November 3, 2026 and H2O Audio PRO on November 3, 2026.

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