Hatz HDS²lite vs RPM Squared
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hatz HDS²lite
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.
- Wireless error code reading
- Display current operating values
- Reset maintenance indicators
- Create and send engine reports
- Locate service partners
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The app supports you in diagnosing Hatz diesel engines via smartphone or tablet. To establish the connection with the engine, you also need the HDS²lite adapter and the adapter cable. You can buy the HDS²lite hardware at Hatz dealers and service partners (hatz.to/network). With the HDS²lite app you can easily and comfortably: Read error codes wirelessly, Display current operating values, Reset maintenance indicators, Create and send engine reports or Locate the nearest Hatz service partner. The HDS²lite app thus simplifies workshop operation or fault analysis in the field. With the help of the HDS²lite adapter, Hatz engine data from construction, agricultural and municipal machines can be transferred to your mobile device in no time at all. Prerequisite: The engine must be electronically controlled. This applies to engines of the Hatz H-Series and with Hatz E1 technology.
RPM Squared
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RPM Squared (RPM² or RPM2) is an all-in-one solution for efficient asset management and monitoring. Whether you want to know the suction pressure of your irrigation pumps, you want to know if your pump controller has power, or you want to receive alerts when your generator has low fuel RPM² will help you. With RPM² you can: • View the status of pumps (and other assets) and their connected sensors. • Track asset locations, health, and performance. • Receive alerts for anomalies like high vibrations or low fuel level. • Operate assets remotely. • Set geo-fence boundaries to keep track of assets that enter or exit a physical location. • Organize your fleet into groups of assets. • Generate insightful reports for informed decision-making. • View your rpm-squared.com account details. • Simplify your asset management with RPM Squared.
Screenshots
Verdict
The clearest difference is iOS requirement: Hatz HDS²lite at 10.0 against RPM Squared's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, RPM Squared every 6 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.
| Parameter | Hatz HDS²lite | RPM Squared |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 90 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Motorenfabrik Hatz GmbH & Co. KG | Cornell Pump Company |
In-app purchases
Hatz HDS²lite
No in-app purchases
RPM Squared
No in-app purchases
Questions
Is Hatz HDS²lite free?
Is RPM Squared free?
Do Hatz HDS²lite or RPM Squared have ads?
Which is updated more often, Hatz HDS²lite or RPM Squared?
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