250+ iOS apps curated and reviewed
Looking for free growing degree days tracker apps? 19 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free was $2.99 | 3.0★ (1) | No | Yes | Aug 2026 |
| 2 |  | Free | — | No | No | May 2026 |
| 3 |  | Free | 5.0★ (3) | No | No | Jul 2026 |
| 4 |  | Free | — | No | Yes | May 2026 |
| 5 |  | Free | 1.0★ (3) | No | No | May 2026 |
| 6 |  | Free | 4.8★ (41) | No | Yes | Aug 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | $1.99 | — | No | No | Aug 2026 |
Track seasonal development and blooming phases using temperature-based indicators like GTS and GDD. Ideal for farmers, gardeners, and beekeepers to understand nature's progression based on accumulated heat, not just calendar dates.
This app helps users meticulously track and analyze their cannabis cultivation process. It functions as a digital journal, offering insights into plant health and growth stages, and connects users with a global community of growers for shared learning and inspiration.
Calculate growing degree days for various crops using your zip code to retrieve temperature data. This tool aids producers in winter wheat and canola management strategies, offering cumulative GDD calculations for multiple crops.
This app helps parents and teens track height, weight, sleep, and daily habits. It provides tools to build healthy routines, stay motivated with streaks and badges, and visualize progress over time. Customizable reminders ensure consistency for families.
This app helps cannabis growers track their plants, learn from experts, and connect with a community. It offers tools for logging growth, setting reminders, and accessing expert guides to ensure successful cultivation from seed to harvest.
Easily track and visualize your child's growth milestones with detailed charts and WHO standards. Securely store data, collaborate with family, and monitor development trends.
Organize your plant collection, monitor growth, and manage care routines with this app. It offers barcode scanning, nutrient tracking, and a sleek dark-themed interface for efficient plant management.
Track your child's growth from birth to age 20 with detailed charts and projections. Supports multiple children and various measurement units. Offers cloud backup and data export options.
Effortlessly monitor your child's growth journey by tracking height, weight, and BMI. Compare development against CDC and WHO standards and visualize trends with clear charts. Securely share profiles with other caregivers to keep everyone informed.
