# performify — Flight Performance Calculator

> Flight Performance Calculator (iPhone/iPad app by Pascal Burlet.)

- Source: https://appshunter.io/ios/app/performify/id1493425855 (this page in markdown: same URL + `.md`)
- Developer: [Pascal Burlet](https://appshunter.io/developer/1493425854)
- Category: Utilities, Travel
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 95 MB
- Languages: English
- Released: 2020-06-19
- Data updated: 2026-03-13
- User reviews in markdown: https://appshunter.io/ios/app/performify/id1493425855/reviews.md

## What is performify?

performify!

- Calculations derived from the manufacturer's AFMs. Reverse engineered mathematical equations so that you don't have to draw, interpolate or calculate yourself!
- Efficient workflow in mind. Designed for the pilot to make quick decisions or play with the numbers!
- Widgets!
- Automatically derived parameters, based on location and local weather
- Dark Mode!
- Add a preferred margin to every calculation!
- Add a favourite aircraft variant for every aircraft make, to get started quicker.
- Currently supports landing and take-off performance calculations. More to come!
- Currently supports a number of aircraft such as:
   - Antonov AN2
   - Cessna 152, 172, 172 R&S
   - Piper PA28-181
   - Robin DR400/140B, DR400/180
   - Tecnam P2008JC
   - More to come!

IMPORTANT: !! DO NOT USE FOR PLANNING PURPOSES !!
Reason:
performify is not a certified or approved application by any organization or authority. Please do not use this app for planning purposes. Always cross verify the results with your AFM!
By downloading this app you confirm that you use all calculations AT YOUR OWN RISK. Always check with the AFM. The developer nor the publisher are responsible for any damage caused by the use of the calculations."


Terms of use:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| AviatorPro | $2.99 | per month |



## Version history (last 5 releases)

### 1.6.0 — 2024-06-12

Sheets are now merged further!
Similar Take-Off sheets are now merged into one to provide you a single sheet, with all parameters, optimizing your workflow even further.

This release also includes some minor bugfixes.

Happy flying!

### 1.5.8 — 2024-03-18

- Support for DA40's Landing Distances added

### 1.5.6 — 2023-10-16

- Support for DA40!
- Calculations with fixed parameters (like paved, or Flaps 10°) show in the parameter list

### 1.5.5 — 2023-06-20

- Stability improvements and adjustments to assure iOS17 compatibility
- Haptic feedback improvement for keyboard

### 1.5.4 — 2023-02-24

- Runway visualizations with details and wind components for the selected runway
- Usability improvements for station/weather selection, calculations and widget!

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## Related topics

[performify](https://appshunter.io/ios/topics/performify)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-03-13.*