STOLmate vs Turnstile

STOLmate measures the take-off and landing distances of a light aircraft. It requires the purchase of a STOLmate Sensor Module, which is a lightweight box affixed to the bottom of the airplane. You can buy one at stolmate.com

Turnstile — Free QR Code Ticket Scanner for School Events Scan tickets. Track attendance. No account required. Turnstile is FutureFund's free event check-in app built for K-12 schools, PTAs, and PTOs. Volunteers download the app, point it at a QR code, and check guests in — no signup, no login, no training needed. Every scan syncs instantly to your FutureFund admin dashboard with real-time attendance tracking and duplicate entry prevention. Works with every school event: - Football games · dances · theater shows · band concerts · graduation ceremonies · carnivals · fun runs · and more Supports all ticket types: - General admission · VIP · reserved seating · season passes · multi-event bundles HOW IT WORKS: 1. Create a ticketed event in FutureFund and sell tickets online 2. Buyers receive a QR code via email — no app needed for guests 3. On event day, volunteers download Turnstile and scan at the door 4. Check-ins sync instantly to your FutureFund dashboard KEY FEATURES: - No account or login required for volunteers - Real-time check-in and attendance tracking - Season pass and multi-event bundle validation - Tiered ticket support (GA, VIP, Reserved) - Works offline — syncs automatically when reconnected - Contactless scanning from the guest's phone screen Turnstile is free to download and use. Ticket sales are processed through FutureFund with a small per-ticket fee. Free tickets have no fee. Trusted by over 6,500 schools nationwide. FutureFund is FERPA, COPPA, CCPA, and PCI DSS compliant.