# Cat® Power OnSite vs AMOS Mobile Solution

The clearest difference is rating: Cat® Power OnSite at 3.7 against AMOS Mobile Solution's 3.0. AMOS Mobile Solution's advantage is update cadence (every 3 weeks vs every 3 months). On price, review sentiment, ratings volume 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.

Cat® Power OnSite holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

Cat® Power OnSite ships an update every 3 months, AMOS Mobile Solution every 3 weeks. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Cat® Power OnSite | AMOS Mobile Solution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/cat-power-onsite/id1438562258/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/amos-mobile-solution/id1645642637/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 30 MB | 41 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Caterpillar Inc.](https://appshunter.io/developer/571668770) | [AUTOMATED MINING OPERATIONS SOFTWARE INC.](https://appshunter.io/developer/1645642639) |

## 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


### AMOS Mobile Solution

[App page](https://appshunter.io/ios/app/amos-mobile-solution/id1645642637)

Streamline mining and quarrying operations with equipment inspections, repair collaboration, and automated documentation. View production and breakdown dashboards. Works offline with background syncing.

**Highlights:** Annotated equipment inspections, Collaborative repair management, Automated compliance documentation, Production and breakdown dashboards, Offline functionality, Customizable to operational needs

**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 AMOS Mobile Solution free?

AMOS Mobile Solution is free to download, with no in-app purchases.

### Which has better reviews, Cat® Power OnSite or AMOS Mobile Solution?

Cat® Power OnSite is rated higher. Cat® Power OnSite averages 3.7 out of 5 from 3 ratings, while AMOS Mobile Solution averages 3.0 from 2 ratings.

### Do Cat® Power OnSite or AMOS Mobile Solution have ads?

Neither Cat® Power OnSite nor AMOS Mobile Solution shows ads.

### Which is updated more often, Cat® Power OnSite or AMOS Mobile Solution?

Cat® Power OnSite ships an update every 3 months, and AMOS Mobile Solution every 3 weeks. Most recently, Cat® Power OnSite was updated on October 6, 2026 and AMOS Mobile Solution on October 1, 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.*