# Propeller vs TPI View

The clearest difference is review sentiment: Propeller at 100% against TPI View's 31%. Propeller also leads on iOS requirement (12.0 vs 15.0). 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.

Propeller ships an update fortnightly, TPI View every 2 weeks. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Propeller | TPI View |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (4 ratings)](https://appshunter.io/ios/app/tpi-view/id1388259446/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **100.0% of reviews** | 30.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 83 MB | 250 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Propeller Powered Ltd](https://appshunter.io/developer/694591869) | [C-Cubed](https://appshunter.io/developer/426768181) |

## 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


### TPI View

[App page](https://appshunter.io/ios/app/tpi-view/id1388259446)

This app enables gas engineers to connect their smartphones to TPI's Smart Probes. It supports various probes for gas analysis, temperature measurement, and manometer readings, streamlining on-site data collection and interaction.

**Highlights:** Connects to TPI Smart Probes, Supports FGA, Temperature, and Manometer probes, Smartphone integration for data collection, Designed for gas engineers, Compatible with DC710, SP341, SP1000, SP620, 608BT probes

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Propeller free?

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

### Is TPI View free?

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

### Do Propeller or TPI View have ads?

Neither Propeller nor TPI View shows ads.

### Which is updated more often, Propeller or TPI View?

Propeller ships an update fortnightly, and TPI View every 2 weeks. Most recently, Propeller was updated on September 27, 2026 and TPI View on October 4, 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.*