# NeuroFly vs Aircraft Perf Calculator

The clearest difference is price: NeuroFly at Free against Aircraft Perf Calculator's $1.99. NeuroFly also leads on update cadence (every 2 months vs every 5 months) and iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

NeuroFly is free to download; Aircraft Perf Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NeuroFly ships an update every 2 months, Aircraft Perf Calculator every 5 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | NeuroFly | Aircraft Perf Calculator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | — | Paid |
| Size | 33 MB | 14 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FLYING NEURONS](https://appshunter.io/developer/1486605273) | [amenai technologies](https://appshunter.io/developer/1699434028) |

## What reviewers say

### NeuroFly

[App page](https://appshunter.io/ios/app/neurofly/id1488383146)

**In-app purchases:** none


### Aircraft Perf Calculator

[App page](https://appshunter.io/ios/app/aircraft-perf-calculator/id6541753665)

This app provides real-time performance calculations for pilots, converting takeoff numbers into instant readouts. It automatically computes adjusted takeoff distance, corrected climb rate, and runway usage based on current altitude and temperature, eliminating the need for paper charts.

**Highlights:** Real-time performance calculations, Adjusted takeoff distance, Corrected climb rate, Runway usage percentage, Density altitude calculation, Comprehensive airfield database, Geolocation and real-time weather

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NeuroFly free?

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

### Is Aircraft Perf Calculator free?

Aircraft Perf Calculator costs $1.99, with no in-app purchases.

### Do NeuroFly or Aircraft Perf Calculator have ads?

Neither NeuroFly nor Aircraft Perf Calculator shows ads.

### Which is updated more often, NeuroFly or Aircraft Perf Calculator?

NeuroFly ships an update every 2 months, and Aircraft Perf Calculator every 5 months. Most recently, NeuroFly was updated on October 29, 2026 and Aircraft Perf Calculator on October 30, 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.*