# AS350B3 Performance Pad vs CloudLabs Ketone Synthesis

The clearest difference is price: CloudLabs Ketone Synthesis at Free against AS350B3 Performance Pad's $49.99. CloudLabs Ketone Synthesis also leads on device support (3 vs 1) and iOS requirement (9.0 vs 15.6). AS350B3 Performance Pad's advantage is update cadence (every 2 months vs every 28 months). On ads and in-app purchases there is nothing between them.

CloudLabs Ketone Synthesis is free to download; AS350B3 Performance Pad costs $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AS350B3 Performance Pad ships an update every 2 months, CloudLabs Ketone Synthesis every 28 months. The most recent releases landed on October 11, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | AS350B3 Performance Pad | CloudLabs Ketone Synthesis |
| --- | --- | --- |
| Price | $49.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/as350b3-performance-pad/id624664733/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 28 months |
| Monetization | Paid | — |
| Size | 23 MB | 81 MB |
| Requires iOS | 15.6 | **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

### AS350B3 Performance Pad

[App page](https://appshunter.io/ios/app/as350b3-performance-pad/id624664733)

This flight computer app calculates essential performance data for the Eurocopter AS350 B3 helicopter. It offers weight and balance calculations, performance planning, and a flight computer with an integrated E6B and world map for quick flight time computations. Professional pilots and flight students can utilize its features for accurate and efficient flight planning.

**Highlights:** Weight & Balance calculations, Performance planning, Flight computer & data management, Integrated graphical E6B with world map, OGE Ceiling computation, Load manifest generation, Customizable helicopter data

**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 AS350B3 Performance Pad free?

AS350B3 Performance Pad costs $49.99, with no in-app purchases.

### Is CloudLabs Ketone Synthesis free?

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

### Do AS350B3 Performance Pad or CloudLabs Ketone Synthesis have ads?

Neither AS350B3 Performance Pad nor CloudLabs Ketone Synthesis shows ads.

### Which is updated more often, AS350B3 Performance Pad or CloudLabs Ketone Synthesis?

AS350B3 Performance Pad ships an update every 2 months, and CloudLabs Ketone Synthesis every 28 months. Most recently, AS350B3 Performance Pad was updated on October 11, 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.*