# Cat® Power OnSite vs Cummins Active Care Testing

The clearest difference is update cadence: Cummins Active Care Testing at every 2 months against Cat® Power OnSite's every 3 months. Cat® Power OnSite's advantage is iOS requirement (13.0 vs 16.0). 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.

Cat® Power OnSite ships an update every 3 months, Cummins Active Care Testing every 2 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cat® Power OnSite | Cummins Active Care Testing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/cat-power-onsite/id1438562258/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 30 MB | 112 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Caterpillar Inc.](https://appshunter.io/developer/571668770) | [Australian Laboratory Services Pty Ltd](https://appshunter.io/developer/1678954382) |

## What reviewers say

### Cat® Power OnSite

[App page](https://appshunter.io/ios/app/cat-power-onsite/id1438562258)

Connect to your engine wirelessly to transfer data to your mobile device. This app helps maximize the value of your assets, regardless of fleet size or digital experience. Requires a specific dongle to function.

**Highlights:** Wireless engine data transfer, CAN/J1939 data link connection, Maximize asset value, Fleet management support, Requires specific dongle

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

**In-app purchases:** none


### Cummins Active Care Testing

[App page](https://appshunter.io/ios/app/cummins-active-care-testing/id1530135365)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cat® Power OnSite free?

Cat® Power OnSite is free to download, with no in-app purchases.

### Is Cummins Active Care Testing free?

Cummins Active Care Testing is free to download, with no in-app purchases.

### Do Cat® Power OnSite or Cummins Active Care Testing have ads?

Neither Cat® Power OnSite nor Cummins Active Care Testing shows ads.

### Which is updated more often, Cat® Power OnSite or Cummins Active Care Testing?

Cat® Power OnSite ships an update every 3 months, and Cummins Active Care Testing every 2 months. Most recently, Cat® Power OnSite was updated on October 26, 2026 and Cummins Active Care Testing on October 25, 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.*