# Cornell Pulse vs Hatz HDS²lite

Cornell Pulse and Hatz HDS²lite are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Cornell Pulse ships an update every 8 months, Hatz HDS²lite every 9 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cornell Pulse | Hatz HDS²lite |
| --- | --- | --- |
| 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 8 months** | Every 9 months |
| Monetization | — | Free |
| Size | 63 MB | 90 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cornell Pump Company](https://appshunter.io/developer/879210510) | [Motorenfabrik Hatz GmbH & Co. KG](https://appshunter.io/developer/1677040238) |

## What reviewers say

### Cornell Pulse

[App page](https://appshunter.io/ios/app/cornell-pulse/id1533889870)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Cornell Pulse free?

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

### Is Hatz HDS²lite free?

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

### Do Cornell Pulse or Hatz HDS²lite have ads?

Neither Cornell Pulse nor Hatz HDS²lite shows ads.

### Which is updated more often, Cornell Pulse or Hatz HDS²lite?

Cornell Pulse ships an update every 8 months, and Hatz HDS²lite every 9 months. Most recently, Cornell Pulse was updated on October 25, 2026 and Hatz HDS²lite on October 24, 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.*