# Dolphin Connect vs Epoch Li

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.

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

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.

Dolphin Connect ships an update every 5 months, Epoch Li every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Dolphin Connect | Epoch Li |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/dolphin-connect/id1498496399/reviews)** | [2.6 (70 ratings)](https://appshunter.io/ios/app/epoch-li-ion/id1640434817/reviews) |
| Number of ratings | 2 | **70** |
| Positive reviews | — | 29.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 77 MB | 35 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CATS POWER DESIGN](https://appshunter.io/developer/1525909556) | [EDG Sales International LLC](https://appshunter.io/developer/1546168152) |

## 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


### Epoch Li

[App page](https://appshunter.io/ios/app/epoch-li-ion/id1640434817)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🔋 Outstanding battery performance and capacity
- 📱 Excellent real-time battery monitoring
- 👍 Simple and clean app interface (mentioned by one user)
- ⚡ Fast and efficient charging performance
- 💡 Provides detailed battery information (SOC, voltage, current, temp, cells)

**What reviewers complain about**

- 🐛 Frequent Bluetooth connection issues (drops, doesn't auto-connect)
- 🐛 App crashes frequently
- 🐛 Clunky and unreliable Bluetooth connectivity
- 🐛 App disconnects when minimized or switching apps
- 🐛 Does not remember previously connected devices

**Reported bugs**

- 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

**Requested features**

- 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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*