250+ iOS apps curated and reviewed
Looking for free growing degree days tracker apps? 20 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 | 3.0★ (1) | No | Yes | Oct 2026 | |
| 2 |  | Free | — | No | No | May 2026 | |
| 3 |  | Free | 4.8★ (6) | No | Yes | Oct 2026 | |
| 4 |  | Free | 5.0★ (2) | No | Yes | Oct 2026 | |
| 5 |  | Free | 5.0★ (1) | No | Yes | Sep 2026 | |
| 6 |  | Free | 4.7★ (13) | No | Yes | Oct 2026 | |
| 7 |  | Free | 2.5★ (11) | No | No | Nov 2026 | |
| 8 |  | Free | 1.0★ (3) | No | No | May 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.
