# BAT vs Datum Tools

The clearest difference is in-app purchases: BAT at none against Datum Tools's 2. BAT also leads on iOS requirement (12.0 vs 15.0). Datum Tools's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Datum Tools sells 2 in-app purchases, starting at $2.99 per month. BAT asks for nothing beyond the download.

BAT ships an update every 3 weeks, Datum Tools weekly. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | BAT | Datum Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (61 ratings)](https://appshunter.io/ios/app/bat-bms/id1611741274/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | 24.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 9 MB | 30 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Grenergy Technology Co.,Ltd.](https://appshunter.io/developer/1602312075) | [JOSHUA ERICH PABST](https://appshunter.io/developer/1895651372) |

## What reviewers say

### BAT

[App page](https://appshunter.io/ios/app/bat-bms/id1611741274)

Monitor your smart Bluetooth lithium batteries wirelessly from your phone. Track key metrics like state of charge, voltage, current, and temperature. Connect to multiple batteries simultaneously and view their data.

**Highlights:** Wireless Bluetooth connection, Track cycle life, Display SOC, voltage, current, Monitor cell voltage and temperature, Connect to multiple batteries

**Features:** Vision Pro support

**In-app purchases:** none


### Datum Tools

[App page](https://appshunter.io/ios/app/datum-tools/id6797541958)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlock | $2.99 | per month |
| Datum Pro Unlock | $19.99 | one-time |


## Frequently asked questions

### Is BAT free?

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

### Is Datum Tools free?

Datum Tools is free to download, with in-app purchases available.

### Do BAT or Datum Tools have ads?

Neither BAT nor Datum Tools shows ads.

### Which is updated more often, BAT or Datum Tools?

BAT ships an update every 3 weeks, and Datum Tools weekly. Most recently, BAT was updated on September 29, 2026 and Datum Tools on September 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.*