# FlightBrief vs PhosphorHertz

The clearest difference is price: FlightBrief at Free against PhosphorHertz's $0.99. FlightBrief also leads on update cadence (every 6 weeks vs every 4 months) and iOS requirement (18.6 vs 26.2). PhosphorHertz's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

FlightBrief is free to download; PhosphorHertz costs $0.99 up front. FlightBrief sells 2 in-app purchases, starting at $9.99 per month. PhosphorHertz asks for nothing beyond the download.

FlightBrief ships an update every 6 weeks, PhosphorHertz every 4 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FlightBrief | PhosphorHertz |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 318 MB | 5 MB |
| Requires iOS | **18.6** | 26.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Michael Gehringer](https://appshunter.io/developer/346165777) | [Stuart Woolley](https://appshunter.io/developer/315697638) |

## What reviewers say

### FlightBrief

[App page](https://appshunter.io/ios/app/flightbrief/id1002852155)

This app transforms static flight plans into interactive, structured operational interfaces for pilots. It analyzes and presents critical flight data through clear, color-coded views, enhancing situational awareness and decision-making.

**Highlights:** Import Operational Flight Plans from PDF, Structured analysis of route, fuel, and performance data, Interactive Navigation Display with 2D globe visualization, Visualization of routes, airports, and FIR boundaries, Monitoring of operational limitations and constraints, Integrated weather and situational awareness tools, Fuel, weight, and performance calculations

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FLIGHTBRIEF Monthly | $9.99 | per month |
| FLIGHTBRIEF Yearly | $99.99 | per year |


### PhosphorHertz

[App page](https://appshunter.io/ios/app/phosphorhertz/id6759729656)

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

**In-app purchases:** none


## Frequently asked questions

### Is FlightBrief free?

FlightBrief is free to download, with in-app purchases available.

### Is PhosphorHertz free?

PhosphorHertz costs $0.99, with no in-app purchases.

### Do FlightBrief or PhosphorHertz have ads?

Neither FlightBrief nor PhosphorHertz shows ads.

### Which is updated more often, FlightBrief or PhosphorHertz?

FlightBrief ships an update every 6 weeks, and PhosphorHertz every 4 months. Most recently, FlightBrief was updated on November 1, 2026 and PhosphorHertz on October 31, 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.*