# C172N Performance Pad vs CloudLabs Ketone Synthesis

The clearest difference is price: CloudLabs Ketone Synthesis at Free against C172N Performance Pad's $13.99. CloudLabs Ketone Synthesis also leads on device support (3 vs 1) and iOS requirement (9.0 vs 18.6). C172N Performance Pad's advantage is update cadence (every 14 months vs every 28 months). On ads and in-app purchases there is nothing between them.

CloudLabs Ketone Synthesis is free to download; C172N Performance Pad costs $13.99 up front. Neither carries in-app purchases, so what you see is what you pay.

C172N Performance Pad ships an update every 14 months, CloudLabs Ketone Synthesis every 28 months. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | C172N Performance Pad | CloudLabs Ketone Synthesis |
| --- | --- | --- |
| Price | $13.99 | **Free** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/c172n-performance-pad/id587354978/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 14 months** | Every 28 months |
| Monetization | Paid | — |
| Size | 26 MB | 81 MB |
| Requires iOS | 18.6 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gyronimo, LLC](https://appshunter.io/developer/536898885) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### C172N Performance Pad

[App page](https://appshunter.io/ios/app/c172n-performance-pad/id587354978)

This app calculates crucial flight performance data for the Cessna 172N aircraft. It assists pilots with mass and balance, takeoff and landing distances, climb performance, and optimal cruise settings using data from the Pilot's Operating Handbook.

**Highlights:** Mass & Balance calculations, Takeoff and Landing distance computation, Climb performance analysis, Optimal cruise altitude determination, Wind component calculation, Weight & Balance load manifest export

**Features:** Vision Pro support

**In-app purchases:** none


### CloudLabs Ketone Synthesis

[App page](https://appshunter.io/ios/app/cloudlabs-ketone-synthesis/id1596513809)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is C172N Performance Pad free?

C172N Performance Pad costs $13.99, with no in-app purchases.

### Is CloudLabs Ketone Synthesis free?

CloudLabs Ketone Synthesis is free to download, with no in-app purchases.

### Do C172N Performance Pad or CloudLabs Ketone Synthesis have ads?

Neither C172N Performance Pad nor CloudLabs Ketone Synthesis shows ads.

### Which is updated more often, C172N Performance Pad or CloudLabs Ketone Synthesis?

C172N Performance Pad ships an update every 14 months, and CloudLabs Ketone Synthesis every 28 months. Most recently, C172N Performance Pad was updated on October 23, 2026 and CloudLabs Ketone Synthesis on October 27, 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.*