# Sunstone Batteriemonitor vs i

The clearest difference is update cadence: Sunstone Batteriemonitor at every 2 months against i's every 19 months. On price, review sentiment, 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.

Sunstone Batteriemonitor ships an update every 2 months, i every 19 months. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Sunstone Batteriemonitor | i |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 19 months |
| Monetization | Free | Free |
| Size | 24 MB | 34 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [志运 陈](https://appshunter.io/developer/942077334) | [i-tecc batteries GmbH](https://appshunter.io/developer/1699629525) |

## What reviewers say

### Sunstone Batteriemonitor

[App page](https://appshunter.io/ios/app/sunstone-batteriemonitor/id1561341696)

Monitor your rechargeable lithium iron phosphate battery's performance with this utility app. It displays various battery parameters and supports both English and German languages.

**Highlights:** Connects to Sunstone Power batteries, Displays battery parameters, Supports English language, Supports German language

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

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-tecc-plus-bms/id6453992900)

Monitor your i-tecc+ LiFePO4 batteries with detailed insights. Track state of charge, capacity, power usage, temperature, and charge cycles. Essential for managing battery health and performance.

**Highlights:** Monitor state of charge, Track battery capacity, View power consumption, Check battery temperature, Record charge cycles, LiFePO4 battery information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sunstone Batteriemonitor free?

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

### Is i free?

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

### Do Sunstone Batteriemonitor or i have ads?

Neither Sunstone Batteriemonitor nor i shows ads.

### Which is updated more often, Sunstone Batteriemonitor or i?

Sunstone Batteriemonitor ships an update every 2 months, and i every 19 months. Most recently, Sunstone Batteriemonitor was updated on September 11, 2026 and i on September 21, 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.*