# Epoch Li vs Flow Essence

The clearest difference is iOS requirement: Epoch Li at 13.0 against Flow Essence's 15.1. On price, update cadence, 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 ships an update every 3 weeks, Flow Essence every 2 weeks. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Epoch Li | Flow Essence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (70 ratings)](https://appshunter.io/ios/app/epoch-li-ion/id1640434817/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 29.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 35 MB | 23 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [EDG Sales International LLC](https://appshunter.io/developer/1546168152) | [Hans Sponberg](https://appshunter.io/developer/582176744) |

## 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


### Flow Essence

[App page](https://appshunter.io/ios/app/flow-essence/id6742063015)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Epoch Li free?

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

### Is Flow Essence free?

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

### Do Epoch Li or Flow Essence have ads?

Neither Epoch Li nor Flow Essence shows ads.

### Which is updated more often, Epoch Li or Flow Essence?

Epoch Li ships an update every 3 weeks, and Flow Essence every 2 weeks. Most recently, Epoch Li was updated on November 3, 2026 and Flow Essence on October 28, 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.*