# Epoch Li vs AIMS

The clearest difference is rating: AIMS at 5.0 against Epoch Li's 2.6. Epoch Li's advantage is update cadence (every 3 weeks vs every 16 months) and ratings volume (70 vs 1). 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.

AIMS holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: Epoch Li has 70 ratings behind it against 1, so its average is the more settled of the two.

Epoch Li ships an update every 3 weeks, AIMS every 16 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Epoch Li | AIMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (70 ratings)](https://appshunter.io/ios/app/epoch-li-ion/id1640434817/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aims-pro/id6448872730/reviews)** |
| Number of ratings | **70** | 1 |
| Positive reviews | 29.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 16 months |
| Monetization | Free | Free |
| Size | 35 MB | 31 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [EDG Sales International LLC](https://appshunter.io/developer/1546168152) | [AIMSBAT](https://appshunter.io/developer/1528262837) |

## What reviewers say

### 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


### AIMS

[App page](https://appshunter.io/ios/app/aims-pro/id6448872730)

Monitor your AIMS Power inverter charger, solar charge controller, and lithium batteries. View real-time voltage, current, and amperage data for all your AIMS Power products in a single, user-friendly interface.

**Highlights:** Monitor inverter chargers, Monitor solar charge controllers, Monitor lithium batteries, View voltage, current, amps, All products in one app

**In-app purchases:** none


## Frequently asked questions

### Is Epoch Li free?

Epoch Li is free to download, with no in-app purchases.

### Is AIMS free?

AIMS is free to download, with no in-app purchases.

### Which has better reviews, Epoch Li or AIMS?

AIMS is rated higher. Epoch Li averages 2.6 out of 5 from 70 ratings, while AIMS averages 5.0 from 1 ratings.

### Do Epoch Li or AIMS have ads?

Neither Epoch Li nor AIMS shows ads.

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

Epoch Li ships an update every 3 weeks, and AIMS every 16 months. Most recently, Epoch Li was updated on October 24, 2026 and AIMS on October 30, 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.*