# Cummins Guidanz vs UnitDeck

The clearest difference is in-app purchases: Cummins Guidanz at none against UnitDeck's 1. UnitDeck's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. UnitDeck sells 1 one-off in-app purchase. Cummins Guidanz asks for nothing beyond the download.

Cummins Guidanz ships an update every 3 months, UnitDeck every 2 weeks. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cummins Guidanz | UnitDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (49 ratings)](https://appshunter.io/ios/app/cummins-guidanz/id1184579875/reviews)** | — |
| Number of ratings | **49** | — |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 365 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cummins Inc.](https://appshunter.io/developer/500176910) | [建辉 刘](https://appshunter.io/developer/6790622804) |

## What reviewers say

### 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


### UnitDeck

[App page](https://appshunter.io/ios/app/unitdeck-work-unit-converter/id6792440865)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnitDeck Pro – Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Cummins Guidanz free?

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

### Is UnitDeck free?

UnitDeck is free to download, with in-app purchases available.

### Do Cummins Guidanz or UnitDeck have ads?

Neither Cummins Guidanz nor UnitDeck shows ads.

### Which is updated more often, Cummins Guidanz or UnitDeck?

Cummins Guidanz ships an update every 3 months, and UnitDeck every 2 weeks. Most recently, Cummins Guidanz was updated on October 23, 2026 and UnitDeck 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.*