# Supervolt vs i

The clearest difference is review sentiment: Supervolt at 42% against i's 0%. Supervolt also leads on update cadence (monthly vs every 19 months). i's advantage is iOS requirement (12.0 vs 15.6). 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.

Supervolt ships an update monthly, i every 19 months. The most recent releases landed on August 6, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Supervolt | i |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **42.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 19 months |
| Monetization | Free | Free |
| Size | 11 MB | 34 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bauer Trading GmbH](https://appshunter.io/developer/1552664041) | [i-tecc batteries GmbH](https://appshunter.io/developer/1699629525) |

## What reviewers say

### Supervolt

[App page](https://appshunter.io/ios/app/supervolt/id1552664039)

Monitor your LiFePO4 batteries with this app. It displays key parameters like capacity, voltage, current, and temperature. You can connect up to eight batteries simultaneously and name them for easy identification.

**Highlights:** Real-time battery data display, Capacity and remaining capacity, Voltage and current monitoring, Cell voltage and temperature, Connect up to 8 batteries, Name individual batteries, Two dashboard views

**Features:** macOS Compatibility

**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 Supervolt free?

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

### Is i free?

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

### Do Supervolt or i have ads?

Neither Supervolt nor i shows ads.

### Which is updated more often, Supervolt or i?

Supervolt ships an update monthly, and i every 19 months. Most recently, Supervolt was updated on August 6, 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.*