# Propeller vs GB Gas Onsite Guide

The clearest difference is update cadence: Propeller at fortnightly against GB Gas Onsite Guide's every 72 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Propeller ships an update fortnightly, GB Gas Onsite Guide every 72 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Propeller | GB Gas Onsite Guide |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 72 months |
| Monetization | Free | — |
| Size | 68 MB | 19 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Propeller Powered Ltd](https://appshunter.io/developer/694591869) | [GB-GAS.CO.UK](https://appshunter.io/developer/425897007) |

## What reviewers say

### Propeller

[App page](https://appshunter.io/ios/app/propeller/id694591766)

This app streamlines field service operations for businesses with mobile engineers. It allows for electronic completion of all paperwork, job management, and real-time data syncing with an online portal. Secure cloud storage ensures compliance and eliminates lost documents.

**Highlights:** Real-time job information access, Electronic document creation, Customer database management, Job scheduling and diary management, Access to manufacturer literature, Photo documentation of work, Industry-standard certification generation

**Features:** Vision Pro support

**In-app purchases:** none


### GB Gas Onsite Guide

[App page](https://appshunter.io/ios/app/gb-gas-onsite-guide/id1537237630)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Propeller free?

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

### Is GB Gas Onsite Guide free?

GB Gas Onsite Guide is free to download, with no in-app purchases.

### Do Propeller or GB Gas Onsite Guide have ads?

Neither Propeller nor GB Gas Onsite Guide shows ads.

### Which is updated more often, Propeller or GB Gas Onsite Guide?

Propeller ships an update fortnightly, and GB Gas Onsite Guide every 72 months. Most recently, Propeller was updated on October 24, 2026 and GB Gas Onsite Guide 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.*