# First Flight Calculator vs Mileon

The clearest difference is ads: Mileon at none against First Flight Calculator's shown. First Flight Calculator's advantage is iOS requirement (16.0 vs 18.2). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

First Flight Calculator ships an update every 10 months, Mileon every 5 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | First Flight Calculator | Mileon |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 5 months** |
| Monetization | Ad-supported | — |
| Size | 3 MB | 6 MB |
| Requires iOS | **16.0** | 18.2 |
| Devices | **iPhone, iPad, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jack Delaney](https://appshunter.io/developer/1045752316) | [Kermo Pajula](https://appshunter.io/developer/1564581507) |

## What reviewers say

### First Flight Calculator

[App page](https://appshunter.io/ios/app/first-flight-calculator/id1045752317)

Easily calculate pigeon race speeds with this utility app. Input distance and time to instantly get velocity in multiple units like YPM, MPH, KPH, and MPM. Designed for recreational pigeon racers.

**Highlights:** Pigeon velocity calculation, Input distance (Miles/Yards), Input time (Hours/Minutes/Seconds), Outputs YPM, MPH, KPH, MPM, Simple and easy to use

**Features:** macOS Compatibility

**In-app purchases:** none


### Mileon

[App page](https://appshunter.io/ios/app/mileon/id6744554862)

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

**In-app purchases:** none


## Frequently asked questions

### Is First Flight Calculator free?

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

### Is Mileon free?

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

### Do First Flight Calculator or Mileon have ads?

First Flight Calculator shows ads; Mileon does not.

### Which is updated more often, First Flight Calculator or Mileon?

First Flight Calculator ships an update every 10 months, and Mileon every 5 months. Most recently, First Flight Calculator was updated on October 24, 2026 and Mileon on October 25, 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.*