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Description
GDD Tracker is the complete lawn care companion for homeowners and pros who want precision timing and organized records.
Using your location and hyper-local weather data, the app calculates Growing Degree Days (GDD) so you know exactly when to apply pre-emergents, post-emergents, plant growth regulators, fertilizers, and more. But GDD Tracker goes beyond just tracking — it's a full-featured lawn management tool.
GDD Tracking & Forecasting
• Accurate GDD calculations based on your location and daily temps
• Forecasted date to hit your target threshold
• Clear progress with percentage, badge, and cumulative/daily charts
• No-spray advisories for high wind, heat, or rain
Application Log
• Log every application — PGR, fertilizer, weed control, fungicide, insecticide, and more
• Track products, rates, and notes for each entry
• View season history with year-over-year comparisons
• Export your records as CSV or PDF
Smart Reminders
• Get notified when it's time to reapply
• Set reminders by GDD accumulation, calendar days, or soil temperature
• Early warning alerts as you approach your threshold
Built for Your Lawn
• 50+ grass variety profiles — Bermuda, Zoysia, Fescue, Bluegrass, and more
• Rate calculator for exact product amounts based on lawn size
• Soil temperature estimates for pre-emergent and seeding timing
• Manage multiple lawns with separate locations, settings, and color tags
Everywhere You Need It
• Widgets for your Home Screen
• Apple Watch app for a quick glance
• iCloud sync across all your devices
• Optional device location or locked "home" coordinates
Privacy-First
No ads. No data selling. Location is used only to fetch local weather. iCloud sync is optional.
How it works:
1. Add your lawn and choose your grass type or set a custom threshold.
2. Set your start date (e.g., last application).
3. Track daily progress as GDD accumulates.
4. Log applications and get notified when it's time to reapply.
Perfect for:
• Homeowners aiming for a healthier, weed-free lawn
• DIY lawn enthusiasts who want precision timing
• Lawn care pros who manage multiple properties and schedules
Subscription Information
GDD Tracker Pro is required to access all features. Two auto-renewing subscription options are available:
• Monthly: $0.99/month
• Annual: $9.99/year
The annual plan includes a 7-day free trial. Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase.
Privacy Policy: https://gdd-tracker.com/privacy
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Download GDD Tracker and take the guesswork out of lawn care.
Using your location and hyper-local weather data, the app calculates Growing Degree Days (GDD) so you know exactly when to apply pre-emergents, post-emergents, plant growth regulators, fertilizers, and more. But GDD Tracker goes beyond just tracking — it's a full-featured lawn management tool.
GDD Tracking & Forecasting
• Accurate GDD calculations based on your location and daily temps
• Forecasted date to hit your target threshold
• Clear progress with percentage, badge, and cumulative/daily charts
• No-spray advisories for high wind, heat, or rain
Application Log
• Log every application — PGR, fertilizer, weed control, fungicide, insecticide, and more
• Track products, rates, and notes for each entry
• View season history with year-over-year comparisons
• Export your records as CSV or PDF
Smart Reminders
• Get notified when it's time to reapply
• Set reminders by GDD accumulation, calendar days, or soil temperature
• Early warning alerts as you approach your threshold
Built for Your Lawn
• 50+ grass variety profiles — Bermuda, Zoysia, Fescue, Bluegrass, and more
• Rate calculator for exact product amounts based on lawn size
• Soil temperature estimates for pre-emergent and seeding timing
• Manage multiple lawns with separate locations, settings, and color tags
Everywhere You Need It
• Widgets for your Home Screen
• Apple Watch app for a quick glance
• iCloud sync across all your devices
• Optional device location or locked "home" coordinates
Privacy-First
No ads. No data selling. Location is used only to fetch local weather. iCloud sync is optional.
How it works:
1. Add your lawn and choose your grass type or set a custom threshold.
2. Set your start date (e.g., last application).
3. Track daily progress as GDD accumulates.
4. Log applications and get notified when it's time to reapply.
Perfect for:
• Homeowners aiming for a healthier, weed-free lawn
• DIY lawn enthusiasts who want precision timing
• Lawn care pros who manage multiple properties and schedules
Subscription Information
GDD Tracker Pro is required to access all features. Two auto-renewing subscription options are available:
• Monthly: $0.99/month
• Annual: $9.99/year
The annual plan includes a 7-day free trial. Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase.
Privacy Policy: https://gdd-tracker.com/privacy
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Download GDD Tracker and take the guesswork out of lawn care.
What's new (v2.2.3)
What's New
• Weather History by Month — The full weather history view now lets you filter by month with a scrollable month picker, plus a summary showing total days and GDD for each month.
• Recurring Application Reminders — Set any reminder to repeat automatically. When you log an application that fulfills a recurring reminder, the next one is created for you. Days-based reminders reset from your actual application date, so early or late logging adjusts naturally. PGR applications default to recurring.
Bug Fixes
• Fixed notifications from deleted lawns — Deleting a lawn now properly cancels all its pending notifications (GDD cycle, spray advisory, pre-emergent, and reapply reminders) and cleans up stored notification state. No more phantom alerts.
• Weather History by Month — The full weather history view now lets you filter by month with a scrollable month picker, plus a summary showing total days and GDD for each month.
• Recurring Application Reminders — Set any reminder to repeat automatically. When you log an application that fulfills a recurring reminder, the next one is created for you. Days-based reminders reset from your actual application date, so early or late logging adjusts naturally. PGR applications default to recurring.
Bug Fixes
• Fixed notifications from deleted lawns — Deleting a lawn now properly cancels all its pending notifications (GDD cycle, spray advisory, pre-emergent, and reapply reminders) and cleans up stored notification state. No more phantom alerts.
