# Ionic Blue Batteries vs Epoch Li

The clearest difference is rating: Ionic Blue Batteries at 3.3 against Epoch Li's 2.6. Ionic Blue Batteries also leads on iOS requirement (11.0 vs 13.0). Epoch Li's advantage is review sentiment (29% vs 7%) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, 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.

Ionic Blue Batteries holds the better App Store score, 3.3 against 2.6. Both are backed by a comparable volume of ratings — 47 and 70 respectively. Written reviews complicate that: 7% of Ionic Blue Batteries's written reviews are positive against 29% of Epoch Li's, so the app with the better star average is not the one people write more warmly about.

Ionic Blue Batteries ships an update every 2 months, Epoch Li every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Ionic Blue Batteries | Epoch Li |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (47 ratings)](https://appshunter.io/ios/app/ionic-blue-batteries/id1459476105/reviews)** | [2.6 (70 ratings)](https://appshunter.io/ios/app/epoch-li-ion/id1640434817/reviews) |
| Number of ratings | 47 | **70** |
| Positive reviews | 6.7% of reviews | **29.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 11 MB | 35 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [LithiumHub LLC](https://appshunter.io/developer/1459476104) | [EDG Sales International LLC](https://appshunter.io/developer/1546168152) |

## What reviewers say

### Ionic Blue Batteries

[App page](https://appshunter.io/ios/app/ionic-blue-batteries/id1459476105)

Monitor the status and condition of lithium batteries using Bluetooth technology. Track voltage, current, temperature, capacity, power, and cycle life. Requires Bluetooth 4.0 with BLE.

**Highlights:** Bluetooth smart battery monitoring, Real-time status tracking, Lifespan monitoring, Voltage, current, and temperature monitoring, Capacity and power tracking, Cycle life analysis

**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 Ionic Blue Batteries free?

Ionic Blue Batteries 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, Ionic Blue Batteries or Epoch Li?

Ionic Blue Batteries is rated higher. Ionic Blue Batteries averages 3.3 out of 5 from 47 ratings, while Epoch Li averages 2.6 from 70 ratings.

### Do Ionic Blue Batteries or Epoch Li have ads?

Neither Ionic Blue Batteries nor Epoch Li shows ads.

### Which is updated more often, Ionic Blue Batteries or Epoch Li?

Ionic Blue Batteries ships an update every 2 months, and Epoch Li every 3 weeks. Most recently, Ionic Blue Batteries 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.*