# myPhenom Flight Calculator vs 1STEP PREP

The clearest difference is rating: 1STEP PREP at 5.0 against myPhenom Flight Calculator's 4.1. 1STEP PREP also leads on update cadence (fortnightly vs every 9 months) and review sentiment (100% vs 83%). myPhenom Flight Calculator's advantage is iOS requirement (15.6 vs 18.5). On price, ratings volume, 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.

1STEP PREP holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews point the same way: 83% of myPhenom Flight Calculator's written reviews are positive against 100% of 1STEP PREP's.

myPhenom Flight Calculator ships an update every 9 months, 1STEP PREP fortnightly. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | myPhenom Flight Calculator | 1STEP PREP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (8 ratings)](https://appshunter.io/ios/app/myphenom-flight-calculator/id547970570/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/1step-prep/id6754189959/reviews)** |
| Number of ratings | 8 | **9** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 20 MB | 15 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Phenom Pilots LLC](https://appshunter.io/developer/1566740266) | [Biftu Kalil](https://appshunter.io/developer/1847011734) |

## What reviewers say

### myPhenom Flight Calculator

[App page](https://appshunter.io/ios/app/myphenom-flight-calculator/id547970570)

This app provides pilots with an interactive tool for calculating weight and balance, takeoff, cruise, and landing performance data for Embraer Phenom 100 and 300 aircraft. It complements official documentation and offers features like real-time graphical representation and airport weather data.

**Highlights:** Weight and balance data storage, Real-time CG envelope representation, Takeoff and landing performance calculations, Cruise performance interpolation, Airport weather data integration, Runway wind component calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### 1STEP PREP

[App page](https://appshunter.io/ios/app/1step-prep/id6754189959)

This app helps students plan their educational journey, stay organized, and achieve their goals. It offers AI-powered insights into academic performance, a smart planner for classes and activities, and guidance on college applications and scholarships.

**Highlights:** AI-Powered Academic Insights, Smart Planner for classes and goals, AI Mentor Chat for guidance, Activity Scoring System, College & Scholarship Tools, Community Connection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is myPhenom Flight Calculator free?

myPhenom Flight Calculator is free to download, with no in-app purchases.

### Is 1STEP PREP free?

1STEP PREP is free to download, with no in-app purchases.

### Which has better reviews, myPhenom Flight Calculator or 1STEP PREP?

1STEP PREP is rated higher. myPhenom Flight Calculator averages 4.1 out of 5 from 8 ratings, while 1STEP PREP averages 5.0 from 9 ratings.

### Do myPhenom Flight Calculator or 1STEP PREP have ads?

Neither myPhenom Flight Calculator nor 1STEP PREP shows ads.

### Which is updated more often, myPhenom Flight Calculator or 1STEP PREP?

myPhenom Flight Calculator ships an update every 9 months, and 1STEP PREP fortnightly. Most recently, myPhenom Flight Calculator was updated on October 24, 2026 and 1STEP PREP on October 18, 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.*