# Prevost Tools vs Cummins Guidanz

The clearest difference is review sentiment: Prevost Tools at 100% against Cummins Guidanz's 21%. Prevost Tools also leads on rating (5.0 vs 3.1) and iOS requirement (15.0 vs 18.0). Cummins Guidanz's advantage is ratings volume (49 vs 3). 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.

Prevost Tools holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Cummins Guidanz has 49 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Prevost Tools's written reviews are positive against 21% of Cummins Guidanz's.

Prevost Tools ships an update every 5 months, Cummins Guidanz every 3 months. The most recent releases landed on July 18, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Prevost Tools | Cummins Guidanz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/prevost-tools/id577753111/reviews)** | [3.1 (49 ratings)](https://appshunter.io/ios/app/cummins-guidanz/id1184579875/reviews) |
| Number of ratings | 3 | **49** |
| Positive reviews | **100.0% of reviews** | 21.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 74 MB | 365 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prevost Car (US) Inc.](https://appshunter.io/developer/443371120) | [Cummins Inc.](https://appshunter.io/developer/500176910) |

## What reviewers say

### Prevost Tools

[App page](https://appshunter.io/ios/app/prevost-tools/id577753111)

Access comprehensive support for your Prevost or Volvo coach, including technical manuals, warranty claims, parts ordering, and roadside assistance. Manage vehicle performance and stay updated on new models with this essential tool for operators and businesses.

**Highlights:** Technical manuals and diagrams, Online warranty claim filing, Online parts ordering, Roadside assistance access, Service location finder, Vehicle telematics management, Image gallery of vehicle models

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

**In-app purchases:** none


### Cummins Guidanz

[App page](https://appshunter.io/ios/app/cummins-guidanz/id1184579875)

This app provides genuine service products and capabilities for Cummins equipment. It helps speed up repairs and improve customer uptime by offering fault code information, diagnostic tools, and repair guidance. It requires a Cummins datalink adapter for full functionality.

**Highlights:** Equipment dataplate information, Prioritized Cummins fault codes, Route Parameter Manager diagnosis, J1939 fault code reading, Information sharing via email, Immediate Assessment feature (subscription)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Prevost Tools free?

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

### Is Cummins Guidanz free?

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

### Which has better reviews, Prevost Tools or Cummins Guidanz?

Prevost Tools is rated higher. Prevost Tools averages 5.0 out of 5 from 3 ratings, while Cummins Guidanz averages 3.1 from 49 ratings.

### Do Prevost Tools or Cummins Guidanz have ads?

Neither Prevost Tools nor Cummins Guidanz shows ads.

### Which is updated more often, Prevost Tools or Cummins Guidanz?

Prevost Tools ships an update every 5 months, and Cummins Guidanz every 3 months. Most recently, Prevost Tools was updated on July 18, 2026 and Cummins Guidanz on September 18, 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.*