Days vs SpringSpec

Countdown to the special moments that matter to you. It’s the small things in life that matter most. Birthdays, anniversaries, weddings and moments shared with the closest people in your life. Days helps you countdown and remember those special moments. Countdown to your events (and count up!) All of your events are remembered forever, whether you want a countdown to a vacation or you're looking back on your wedding anniversary. Countdown Calendar See all of your life events on one screen, easily swipe through each one with beautiful full screen event photos. Lock Screen Widgets Countdown to your upcoming events without even unlocking your phone, Lock Screen Widgets are now available on iOS 16 Home screen widgets Countdown to your events right from your home screen with our beautiful widgets. Recurring events Countdown to events that repeat yearly, monthly or weekly. Events like birthdays and anniversaries will never be forgotten again. Beautiful experience Days is designed with care and attention at it’s core. Subtle animations and beautiful imagery make your experience and countdown the best it can be. Intuitive swiping Swipe across to easily switch between your events so you can browse your events easily. Countdown Reminders We let you know how far away your event is so you’re always in the know, without even opening the app. So much more We’d love for you to experience Days, which is why you can download it for free. We’re always working on new features and we love hearing your feedback. Try Days now to experience why our users think Days is the best countdown app on the app store! We're the countdown app you need to get excited for your events. Read our terms, conditions and privacy here: https://daysapp.co/privacy & https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

SpringSpec is a specialist spring rate calculator for motorsport suspension, built by race engineers for race engineers. Enter your corner weights, unsprung mass, and motion ratio — SpringSpec calculates wheel frequency, wheel rate, critical damping, and static deflection across every standard spring rate. It then recommends Soft, Recommended, and Hard options based on your intended use and drivetrain layout, and matches you to real parts from the Eibach ERS and Hyperco catalogues. KEY FEATURES — Dual-axle calculator with frequency, wheel rate, damping and deflection for every common spring rate — Drivetrain-aware balance: front-engine RWD, mid/rear-engine RWD, FWD — Target presets from Road to Race (1.3 Hz to 2.2 Hz) plus custom entry — Motion ratio entered as a decimal, squared internally — the correct engineering convention — Colour-coded frequency bands (Road, Road/Track, Race, Too Hard) — Built-in catalogue lookup for Eibach ERS and Hyperco springs, filtered by rate, free length, ID, and travel — Motion Ratio Guide with clear diagrams and two measurement methods — Save customer jobs locally with full inputs, results, and notes — Works in lbs/in, N/mm, or kg/mm NO ACCOUNTS. NO CLOUD. NO ADS. NO SUBSCRIPTIONS. All your data stays on your device. One-off purchase, updates via the App Store. DISCLAIMER SpringSpec provides engineering guidance based on the data you enter. Always verify inputs and outputs independently. Suspension setup affects vehicle safety — verify all choices against manufacturer specifications and, where appropriate, a qualified motorsport engineer. Published by RaceTracs Ltd, United Kingdom.