# Perkins® My Engine vs Cat® DSP Mobile

The clearest difference is review sentiment: Cat® DSP Mobile at 80% against Perkins® My Engine's 0%. Cat® DSP Mobile also leads on rating (4.9 vs 2.6) and ratings volume (79 vs 17). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Cat® DSP Mobile holds the better App Store score, 4.9 against 2.6. Both are backed by a comparable volume of ratings — 17 and 79 respectively. Written reviews point the same way: 0% of Perkins® My Engine's written reviews are positive against 80% of Cat® DSP Mobile's.

Perkins® My Engine ships an update every 2 months, Cat® DSP Mobile monthly. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Perkins® My Engine | Cat® DSP Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (17 ratings)](https://appshunter.io/ios/app/perkins-my-engine/id1169115342/reviews) | **[4.9 (79 ratings)](https://appshunter.io/ios/app/cat-dsp-mobile/id1609645128/reviews)** |
| Number of ratings | 17 | **79** |
| Positive reviews | 0.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 49 MB | 98 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Perkins Engines Company Limited](https://appshunter.io/developer/1037004578) | [Caterpillar Inc.](https://appshunter.io/developer/571668770) |

## What reviewers say

### Perkins® My Engine

[App page](https://appshunter.io/ios/app/perkins-my-engine/id1169115342)

Manage the maintenance and service of your Perkins engines with this free app. Receive timely reminders for service intervals, access essential manuals and parts lists, and track service history. Easily locate your nearest Perkins distributor for support and genuine parts.

**Highlights:** Engine serial number validation, Access engine build list and consumables, View Operating Maintenance Manuals (OMM), Service interval reminders, Service history tracking, Locate nearest Perkins distributor

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

**In-app purchases:** none


### Cat® DSP Mobile

[App page](https://appshunter.io/ios/app/cat-dsp-mobile/id1609645128)

Manage digital product services and telematics devices for Cat dealers. This app allows administrators and technicians to easily search for connected assets, register devices, and review connectivity status on the go.

**Highlights:** Manage digital product services, Manage telematics devices, Search for connected assets, Register telematics devices, Review connectivity status, Contact Caterpillar support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Perkins® My Engine free?

Perkins® My Engine is free to download, with no in-app purchases.

### Is Cat® DSP Mobile free?

Cat® DSP Mobile is free to download, with no in-app purchases.

### Which has better reviews, Perkins® My Engine or Cat® DSP Mobile?

Cat® DSP Mobile is rated higher. Perkins® My Engine averages 2.6 out of 5 from 17 ratings, while Cat® DSP Mobile averages 4.9 from 79 ratings.

### Do Perkins® My Engine or Cat® DSP Mobile have ads?

Neither Perkins® My Engine nor Cat® DSP Mobile shows ads.

### Which is updated more often, Perkins® My Engine or Cat® DSP Mobile?

Perkins® My Engine ships an update every 2 months, and Cat® DSP Mobile monthly. Most recently, Perkins® My Engine was updated on November 2, 2026 and Cat® DSP Mobile on November 7, 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.*