128+ iOS apps curated and reviewed
Looking for free nitrogen apps? 20 of our 128+ 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 | — | No | No | May 2026 |
| 2 |  | Free | 4.3★ (18) | No | No | May 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | Free | 3.3★ (26) | No | No | Aug 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | 5.0★ (1) | No | No | May 2026 |
Connect with hundreds of investment professionals and explore the newest trends in financial advice and technology. This event app provides access to the latest agenda, speaker information, venue maps, and networking tools.
Plan your farm's fertilizer applications with this reference tool. Select your crop and desired yield to determine the necessary vital nutrients. Save and email results for future planning.
This utility calculates the optimal nitrogen fertilizer rate for crops based on agronomic research and current economic conditions. It provides a customized recommendation to maximize returns.
This app helps homeowners and turfgrass professionals calculate fertilizer needs for lawns. It provides tools for spreader calibration, label interpretation, and application guidance through animations and videos.
This app allows divers to digitally log and manage all aspects of their underwater adventures. Track dive details, gear, buddies, and locations. Sync data with dive computers and cloud backups, and share your experiences.
Instantly convert between gaseous and liquid states, and perform various unit calculations for weight, area, length, and volume. Customize your display and locate Air Liquide offices worldwide.