Comparison

Dolphin Connect vs Epoch Li

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

Epoch Li

Monitor your lithium-ion battery system in real-time via Bluetooth. View voltage, current, power, and internal resistance. Receive alerts for temperature, short circuits, and voltage deviations to extend battery life and enhance stability.

Highlights
  • Real-time voltage, current, power, and internal resistance display
  • Individual battery voltage and alarm status monitoring
  • Cell comparison and balancing display
  • Temperature and critical parameter warnings
  • Record of all warnings and protection events
Features
Read full description

Make sure you have the latest app version. Turn on your Bluetooth. Tap the icon to open the App. It will search for all Epoch batteries within the range of your Bluetooth device and provide a list. If all the batteries are not listed, move closer to the battery location and refresh the screen. Choose the battery you want to look at. The Epoch intelligent battery management system and the active equalizer are connected via Bluetooth to monitor the battery status, collect, store and process information during battery operation in real time, exchange information with external devices, and solve the safety, usability and usage of the lithium battery system The key issue of life is to extend the service life of the battery to a certain extent, and to enhance the stability of the battery pack to a certain extent. 1. Display real-time voltage, current, power, internal resistance and other parameter values, and display them in the form of instrument panels and numbers; 2. Display the real-time voltage and alarm status of all single batteries. If the reported parameters trigger the alarm value or protection value, an alarm will be prompted; 3. Each data comparison of the battery cell, the voltage difference. Maximum voltage cell Minimum voltage cell. And the display of cell balance 4. Cell temperature warning. Real-time alarm for over temperature, short circuit, over voltage, under voltage 5. Record the warnings that occur at each moment. 6. Record all battery protection times. Best Regards !

Screenshots

Dolphin Connect4 screens
Epoch Li4 screens

Verdict

The call

The clearest difference is rating: Dolphin Connect at 3.0 against Epoch Li's 2.6. Epoch Li's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (70 vs 2). 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 2.6. That said, the two scores are not equally well evidenced: Epoch Li has 70 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, Epoch Li every 3 weeks. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
Dolphin Connect versus Epoch Li: the parameters behind the verdict, then further details
ParameterDolphin ConnectEpoch Li
PriceFreeFree
Rating3.0 (2 ratings) — better2.6 (70 ratings)
Positive reviews—29.2% of reviews
Number of ratings270 — better
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size77 MB35 MB
Age rating4+17+
DeveloperCATS POWER DESIGNEDG Sales International LLC

Customer experience

Dolphin Connect

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

Epoch Li

All ratings70 ratings
Positive35.7%
Neutral5.7%
Negative58.6%
Written reviews48 reviews
Positive29.2%
Neutral10.4%
Negative60.4%

Bugs and requests

Dolphin Connect

Not enough reviews yet to summarise bugs or requests.

Epoch Li

Reported bugs

14 issues
  • Bluetooth does not auto-connect
  • Bluetooth signal frequently drops
  • App crashes frequently
  • App disconnects when minimized or switching apps
  • App does not remember previously connected devices
Show 9 more
  • App shows incorrect battery charge levels
  • App history tab is useless
  • App is not documented, data is unclear
  • App shows 0% or no data after recent updates
  • App does not always reflect true battery charge
  • App cannot see information from multiple batteries in series
  • App has backward animations and sloppy UI
  • App requires password for advanced settings without providing it
  • App disconnects and will not re-connect until app is killed and reopened

Requested features

10 requests
  • Filter Bluetooth devices by MAC address prefix
  • Implement BLE non-exclusive connection
  • Bring back old app features (time to charge/discharge)
  • Document app data and features
  • Provide password for advanced settings
Show 5 more
  • Allow saving of battery connections/names
  • Release old app as a separate option
  • Improve Bluetooth connection stability and range
  • Fix incorrect battery charge readings
  • Display data for multiple batteries in series correctly

In-app purchases

None

Dolphin Connect

No in-app purchases

None

Epoch Li

No in-app purchases

Questions

Is Dolphin Connect free?
Dolphin Connect is free to download, with no in-app purchases.
Is Epoch Li free?
Epoch Li is free to download, with no in-app purchases.
Which has better reviews, Dolphin Connect or Epoch Li?
Dolphin Connect is rated higher. Dolphin Connect averages 3.0 out of 5 from 2 ratings, while Epoch Li averages 2.6 from 70 ratings.
Do Dolphin Connect or Epoch Li have ads?
Neither Dolphin Connect nor Epoch Li shows ads.
Which is updated more often, Dolphin Connect or Epoch Li?
Dolphin Connect ships an update every 5 months, and Epoch Li every 3 weeks. Most recently, Dolphin Connect was updated on November 3, 2026 and Epoch Li on November 3, 2026.

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