# Ultimus Battery vs MTEP App

The clearest difference is update cadence: MTEP App at every 6 months against Ultimus Battery's every 12 months. Ultimus Battery's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ultimus Battery ships an update every 12 months, MTEP App every 6 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Ultimus Battery | MTEP App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ultimus-battery/id6472026731/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 17 MB | 70 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Larry Crutcher](https://appshunter.io/developer/1215165109) | [Post Road Foundation](https://appshunter.io/developer/1815451303) |

## What reviewers say

### Ultimus Battery

[App page](https://appshunter.io/ios/app/ultimus-battery/id6472026731)

Monitor your battery's health and performance wirelessly from your iOS device. Track cycle life, state of charge, voltage, current, and temperature with easy-to-read gauges and text alerts. Connect to individual batteries or battery banks up to 15 feet away.

**Highlights:** Wireless battery monitoring, Track cycle life, State of Charge (SOC) percentage, Display voltage, current, temperature, Battery event alerts, Bluetooth BLE 4.0+ connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### MTEP App

[App page](https://appshunter.io/ios/app/mtep-app/id6746150340)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ultimus Battery free?

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

### Is MTEP App free?

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

### Do Ultimus Battery or MTEP App have ads?

Neither Ultimus Battery nor MTEP App shows ads.

### Which is updated more often, Ultimus Battery or MTEP App?

Ultimus Battery ships an update every 12 months, and MTEP App every 6 months. Most recently, Ultimus Battery was updated on October 24, 2026 and MTEP App on October 12, 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.*