# CX vs HydraPro

The clearest difference is rating: HydraPro at 5.0 against CX's 3.7. HydraPro also leads on iOS requirement (8.0 vs 17.2). CX's advantage is ratings volume (11 vs 1) and chart position (#39 vs unranked). On price, update cadence, ads and in-app purchases there is nothing between them.

CX costs $19.99 and HydraPro $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HydraPro holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: CX has 11 ratings behind it against 1, so its average is the more settled of the two.

CX ships an update every 8 months, HydraPro every 4 months. The most recent releases landed on September 27, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | CX | HydraPro |
| --- | --- | --- |
| Price | $19.99 | $19.99 |
| Rating | [3.7 (11 ratings)](https://appshunter.io/ios/app/cx-3-flight-computer/id1645428895/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hydrapro/id6472098315/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Best chart rank | **#39** | — |
| Size | 3 MB | 59 MB |
| Requires iOS | 17.2 | **8.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ASA](https://appshunter.io/developer/334278379) | [LakeshoreLogic LLC](https://appshunter.io/developer/1716625674) |

## What reviewers say

### CX

[App page](https://appshunter.io/ios/app/cx-3-flight-computer/id1645428895)

**Currently charting:** #39 Top Paid · Utilities (US App Store)

This aviation tool simplifies flight planning for pilots. It offers accurate calculations for time, speed, distance, fuel, and more, along with unit conversions and a built-in calculator. Designed for ease of use, it guides users through flight planning and execution with a natural menu flow.

**Highlights:** Flight planning calculations, Time, speed, distance functions, Fuel and altitude calculations, Unit conversions (12 categories), Weight and balance calculations, Holding pattern details, Built-in calculator, clock, timer

**In-app purchases:** none


### HydraPro

[App page](https://appshunter.io/ios/app/hydrapro/id6472098315)

Control multiple compatible cameras remotely via Bluetooth. Automate recording based on GPS speed, set camera modes, and monitor status like battery and storage. Offers a special loop picture mode for unique shots.

**Highlights:** Bluetooth camera control, Control up to 8 cameras, Individual or group camera control, GPS speed-triggered recording, Set and save camera modes/presets, Camera status display, Special loop picture mode

**In-app purchases:** none


## Frequently asked questions

### Is CX free?

CX costs $19.99, with no in-app purchases.

### Is HydraPro free?

HydraPro costs $19.99, with no in-app purchases.

### Which has better reviews, CX or HydraPro?

HydraPro is rated higher. CX averages 3.7 out of 5 from 11 ratings, while HydraPro averages 5.0 from 1 ratings.

### Do CX or HydraPro have ads?

Neither CX nor HydraPro shows ads.

### Which is updated more often, CX or HydraPro?

CX ships an update every 8 months, and HydraPro every 4 months. Most recently, CX was updated on September 27, 2026 and HydraPro on June 6, 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.*