# SAFE Toolkit vs Props & Governors

The clearest difference is review sentiment: Props & Governors at 100% against SAFE Toolkit's 38%. Props & Governors also leads on rating (5.0 vs 4.2) and ads (none vs shown). SAFE Toolkit's advantage is price (Free vs $5.99) and ratings volume (19 vs 2). On update cadence and in-app purchases there is nothing between them.

SAFE Toolkit is free to download; Props & Governors costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Props & Governors holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: SAFE Toolkit has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 38% of SAFE Toolkit's written reviews are positive against 100% of Props & Governors's.

SAFE Toolkit ships an update every 7 months, Props & Governors every 3 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | SAFE Toolkit | Props & Governors |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | [4.2 (19 ratings)](https://appshunter.io/ios/app/safe-toolkit/id841972916/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/props-and-governors/id936455214/reviews)** |
| Number of ratings | **19** | 2 |
| Positive reviews | 37.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | **Ad-supported** | Paid |
| Size | 33 MB | 4 MB |
| Requires iOS | 11.0 | **7.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [David St. George](https://appshunter.io/developer/797000267) | [Aircraft Training Aids, LLC](https://appshunter.io/developer/692999325) |

## What reviewers say

### SAFE Toolkit

[App page](https://appshunter.io/ios/app/safe-toolkit/id841972916)

This app offers essential news and resources for Certified Flight Instructors (CFIs), including endorsement details, experience requirements, and test codes. It also provides flight test applicants with insights from Designated Pilot Examiners and features a weekly blog and industry news notifications for all pilots.

**Highlights:** CFI endorsements, experience requirements, test codes, Flight test insights from DPEs, Weekly SAFE blog, Industry news push notifications, Pilot resources

**Features:** macOS Compatibility

**In-app purchases:** none


### Props & Governors

[App page](https://appshunter.io/ios/app/props-and-governors/id936455214)

Explore interactive diagrams and detailed explanations of single and multi-engine aircraft propeller and governor systems. Learn about manifold pressure, governor components like flyweights and pilot valves, and propeller parts such as counterweights and feathering pins.

**Highlights:** Interactive training diagrams, Complete systems presentation, Single and multi-engine aircraft coverage, Detailed text descriptions, Manifold pressure explanation, Propeller and governor component breakdown

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SAFE Toolkit free?

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

### Is Props & Governors free?

Props & Governors costs $5.99, with no in-app purchases.

### Which has better reviews, SAFE Toolkit or Props & Governors?

Props & Governors is rated higher. SAFE Toolkit averages 4.2 out of 5 from 19 ratings, while Props & Governors averages 5.0 from 2 ratings.

### Do SAFE Toolkit or Props & Governors have ads?

SAFE Toolkit shows ads; Props & Governors does not.

### Which is updated more often, SAFE Toolkit or Props & Governors?

SAFE Toolkit ships an update every 7 months, and Props & Governors every 3 months. Most recently, SAFE Toolkit was updated on November 1, 2026 and Props & Governors on November 1, 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.*