Threshold: VFR Go/No-Go
Pilot weather minima aid
About
This app provides private pilots with a quick go/no-go decision for flights in the UK and EU. It analyzes weather data against user-defined personal minima and displays a clear verdict on the Lock Screen and Home Screen.
What's New in Threshold
1.0
May 22, 2026
Developer apps
FAQ
What is Threshold: VFR Go/No-Go?
Threshold: VFR Go/No-Go is a subscription-based application designed for private pilots in the UK and EU. It helps pilots make quick go/no-go decisions by analyzing weather data against their personal flight minima, displaying the verdict on widgets.
How does Threshold: VFR Go/No-Go work?
The app reads METAR, TAF, and GAFOR reports, then compares them to user-set personal minima for cloudbase, visibility, wind, crosswind, and gust. It provides a GO, HOLD, or NO verdict and shows the rule that produced it.
What is the pricing for Threshold: VFR Go/No-Go?
Threshold: VFR Go/No-Go is a subscription service with pricing at £3.99 per month or £29 per year. A founder's price of £19 per year is available for the first 100 TestFlight members for the life of their subscription.
Does Threshold: VFR Go/No-Go have ads?
No, Threshold: VFR Go/No-Go is ad-free. The app explicitly states 'No newsletters, no upsell, no engagement loops' and focuses on providing its core functionality without advertisements.
What devices does Threshold: VFR Go/No-Go support?
Threshold: VFR Go/No-Go is available for iOS devices, specifically supporting iPhones and iPads. It leverages features like Lock Screen and Home Screen widgets.
How often is Threshold: VFR Go/No-Go updated?
The application was last updated on May 22, 2026, with version 1.0. Airfield and runway reference data are refreshed per release, indicating regular updates to ensure accuracy.
Is Threshold: VFR Go/No-Go suitable for all pilots?
Threshold: VFR Go/No-Go is specifically designed for private pilots in the UK and EU. It is built by a pilot and focuses on VFR (Visual Flight Rules) conditions, offering a contract with oneself for flight safety.
What happens if I change my personal minima?
The app features a 'Drift detector' that logs every change to your personal minima along with the verdict and ICAO at the moment of the edit. It quietly surfaces these changes in Settings, asking if the adjustment was the intended decision.