# Hatz HDS²lite vs BatteryOne

The clearest difference is iOS requirement: Hatz HDS²lite at 10.0 against BatteryOne's 15.0. 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.

Hatz HDS²lite ships an update every 9 months, BatteryOne every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Hatz HDS²lite | BatteryOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hatz-hdslite/id6446262966/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 90 MB | 35 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Motorenfabrik Hatz GmbH & Co. KG](https://appshunter.io/developer/1677040238) | [Wacker Neuson SE](https://appshunter.io/developer/1600909885) |

## What reviewers say

### Hatz HDS²lite

[App page](https://appshunter.io/ios/app/hatz-hdslite/id6446262966)

Diagnose Hatz diesel engines wirelessly using your smartphone or tablet. Read error codes, view operating values, reset maintenance indicators, and generate engine reports. Requires the HDS²lite adapter for connection.

**Highlights:** Wireless error code reading, Display current operating values, Reset maintenance indicators, Create and send engine reports, Locate service partners

**In-app purchases:** none


### BatteryOne

[App page](https://appshunter.io/ios/app/batteryone/id6467118372)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hatz HDS²lite free?

Hatz HDS²lite is free to download, with no in-app purchases.

### Is BatteryOne free?

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

### Do Hatz HDS²lite or BatteryOne have ads?

Neither Hatz HDS²lite nor BatteryOne shows ads.

### Which is updated more often, Hatz HDS²lite or BatteryOne?

Hatz HDS²lite ships an update every 9 months, and BatteryOne every 5 months. Most recently, Hatz HDS²lite was updated on November 3, 2026 and BatteryOne on November 3, 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.*