# AircraftPower vs ACE

AircraftPower and ACE both sit at 4.9 stars, but that hides the real split: 100% of AircraftPower's written reviews are positive against 80% of ACE's. AircraftPower also leads on ratings volume (18 vs 5) and iOS requirement (13.5 vs 17.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.9 for AircraftPower against 5.0 for ACE. Both are backed by a comparable volume of ratings — 18 and 5 respectively. Written reviews are what separate them: 100% of AircraftPower's written reviews are positive against 80% of ACE's.

## The numbers

| Metric | AircraftPower | ACE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (18 ratings)](https://appshunter.io/ios/app/aircraftpower/id718023187/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ace-editor/id6469464234/reviews)** |
| Number of ratings | **18** | 5 |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | Free | Free |
| Size | 2 MB | 4 MB |
| Requires iOS | **13.5** | 17.0 |
| Devices | iPad | **iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [James Petty](https://appshunter.io/developer/603661046) | [Post River Software](https://appshunter.io/developer/325439356) |

## What reviewers say

### AircraftPower

[App page](https://appshunter.io/ios/app/aircraftpower/id718023187)

This app calculates and displays the performance of various aircraft engines. It offers a graphical representation of engine performance charts and allows users to input various parameters to see real-time output. Users can choose between English and metric units for measurements.

**Highlights:** Reciprocating engine performance model, Calculates sea level and altitude performance, Graphical engine performance chart, Manual construction method illustration, Input manifold pressure, RPM, altitude, temperature, English and metric unit options

**Features:** macOS Compatibility

**In-app purchases:** none


### ACE

[App page](https://appshunter.io/ios/app/ace-editor/id6469464234)

This application allows users to create and manage checklists for Garmin avionics. It specifically supports the ACE checklist file format, making it ideal for pilots using systems like the G3X Touch.

**Highlights:** Checklist editor, ACE checklist file format support, Garmin avionics integration, G3X Touch compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AircraftPower free?

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

### Is ACE free?

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

### Which has better reviews, AircraftPower or ACE?

ACE is rated higher. AircraftPower averages 4.9 out of 5 from 18 ratings, while ACE averages 5.0 from 5 ratings.

### Do AircraftPower or ACE have ads?

Neither AircraftPower nor ACE shows ads.

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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.*