# ABC vs Epoch Li

The clearest difference is rating: Epoch Li at 2.6 against ABC's 1.8. Epoch Li also leads on update cadence (every 3 weeks vs every 2 months) and review sentiment (29% vs 21%). ABC's advantage is iOS requirement (10.0 vs 13.0). 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.

Epoch Li holds the better App Store score, 2.6 against 1.8. Both are backed by a comparable volume of ratings — 24 and 70 respectively. Written reviews point the same way: 21% of ABC's written reviews are positive against 29% of Epoch Li's.

ABC ships an update every 2 months, Epoch Li every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | ABC | Epoch Li |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (24 ratings)](https://appshunter.io/ios/app/abc-bms/id1597074571/reviews) | **[2.6 (70 ratings)](https://appshunter.io/ios/app/epoch-li-ion/id1640434817/reviews)** |
| Number of ratings | 24 | **70** |
| Positive reviews | 21.1% 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 | 6 MB | 35 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [春光 宋](https://appshunter.io/developer/1598075757) | [EDG Sales International LLC](https://appshunter.io/developer/1546168152) |

## What reviewers say

### ABC

[App page](https://appshunter.io/ios/app/abc-bms/id1597074571)

This application serves as a battery management system, connecting users to their secondary batteries. It focuses on protecting the battery, optimizing its utilization, and preventing overcharging and over-discharging. It is suitable for various lithium battery products.

**Highlights:** Secondary battery protection, Optimizes battery utilization, Prevents overcharging, Prevents over-discharging, Supports lithium battery products

**Features:** macOS Compatibility, Vision Pro support

**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 ABC free?

ABC 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, ABC or Epoch Li?

Epoch Li is rated higher. ABC averages 1.8 out of 5 from 24 ratings, while Epoch Li averages 2.6 from 70 ratings.

### Do ABC or Epoch Li have ads?

Neither ABC nor Epoch Li shows ads.

### Which is updated more often, ABC or Epoch Li?

ABC ships an update every 2 months, and Epoch Li every 3 weeks. Most recently, ABC was updated on October 24, 2026 and Epoch Li on October 24, 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.*