# tramontana vs Cat® Power OnSite

The clearest difference is rating: tramontana at 5.0 against Cat® Power OnSite's 3.7. tramontana also leads on iOS requirement (8.0 vs 13.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

tramontana holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

tramontana ships an update every 6 months, Cat® Power OnSite every 3 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | tramontana | Cat® Power OnSite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tramontana/id1121069555/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/cat-power-onsite/id1438562258/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 4 MB | 30 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Enrico Gueli](https://appshunter.io/developer/1482553780) | [Caterpillar Inc.](https://appshunter.io/developer/571668770) |

## What reviewers say

### tramontana

[App page](https://appshunter.io/ios/app/tramontana/id1121069555)

Prototype interactive spaces and connected products using your smartphone's sensors and actuators. Control features like flash, vibration, and screen display, or read device orientation, accelerometer, and touch events. Integrates with machine learning software for advanced prototyping.

**Highlights:** Smartphone sensor access (orientation, accelerometer, magnetometer), Smartphone actuator control (flash, vibration, screen brightness), Remote camera triggering and Dropbox upload, Integration with Wekinator for machine learning, Libraries for Processing, Javascript, and OpenFrameworks, Wireless prototyping capabilities

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is tramontana free?

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

### Is Cat® Power OnSite free?

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

### Which has better reviews, tramontana or Cat® Power OnSite?

tramontana is rated higher. tramontana averages 5.0 out of 5 from 2 ratings, while Cat® Power OnSite averages 3.7 from 3 ratings.

### Do tramontana or Cat® Power OnSite have ads?

Neither tramontana nor Cat® Power OnSite shows ads.

### Which is updated more often, tramontana or Cat® Power OnSite?

tramontana ships an update every 6 months, and Cat® Power OnSite every 3 months. Most recently, tramontana was updated on November 2, 2026 and Cat® Power OnSite on November 6, 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.*