# N-Time — Sentinel Fertigation > Crop nitrogen stress detection and fertilizer application optimization tool for growers. (iPhone/iPad app by Sentinel Fertigation, Inc..) - Source: https://appshunter.io/ios/app/n-time/id6448665732 (this page in markdown: same URL + `.md`) - Developer: [Sentinel Fertigation, Inc.](https://appshunter.io/developer/1685479822) - Category: Utilities, Productivity - Price: Free - Rating: 5.00/5 from 1 App Store ratings - Age rating: 17+ - Requires: iOS 15.1 · 65 MB - Languages: English - Released: 2023-06-16 - Data updated: 2026-06-13 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/n-time/id6448665732/reviews.md ## What is N? Sentinel Fertigation’s N-Time™ app empowers growers with actionable nutrient management insights for optimizing nitrogen use and saving on fertilizer. N-Time™ is a software system that analyzes satellite imagery of your fields to detect early signs of crop nitrogen stress and provide timely fertilizer application recommendations. The N-Time™ app is the mobile companion to N-Time™ web, sharing many features with its counterpart while providing users with additional tools for monitoring and managing nutrient use while on the go. Features: - The “Field Digest” section makes it easy for you to monitor your fields’ nitrogen trends – trending up, maintaining, or trending down. With this information, you can act immediately by scheduling a nitrogen application or dive deeper into the details before making a decision. - An “Alerts” tab consolidates critical and timely information to help you efficiently manage your fields’ nutrient needs. - Push notifications ensure you’re up to date with the latest information and actions regarding your fields, even when you’re not actively using the N-Time™ app. - N-Time™ automatically quantifies and classifies the nitrogen status of your crops. Though detailed, the information is presented in a way that’s easy to understand and act on. - Schedule fertigation events directly from your phone. Actionable fertigation scheduling recommendations provide you with insights needed to apply the right amount of nitrogen at the right time. By optimizing your nitrogen applications, you save on fertilizer costs while maintaining high yields. - Fine tune your nutrient applications with a fertigation and irrigation settings calculator. - Keep track of your nitrogen usage with the N-Time™ application log. - The N-Time™ app integrates with connected systems, including John Deere Operations Center. - Farmers can use the N-Time™ app to share their field status and information with trusted agronomic advisors. The Sentinel app will complement and expand the capabilities of N-Time™ web, not completely replace it. Growers and their trusted advisors will still utilize the web version to upload and view detailed field maps and boundaries, in addition to a few other actions. If you’re not currently an N-Time™ user, visit www.sentinelfertigation.com to get started. ## Key features - Nitrogen stress detection via satellite imagery - Fertilizer application recommendations - Field nitrogen trend monitoring - Timely nutrient management alerts - Fertigation and irrigation calculator - Application log for nitrogen usage - Integration with John Deere Operations Center ## Frequently asked questions about N ### What is N-Time used for? N-Time analyzes satellite imagery to detect early signs of crop nitrogen stress. It provides timely fertilizer application recommendations to help growers optimize nitrogen use, save on costs, and maintain high yields. ### How does N-Time help save money? By providing precise recommendations for nitrogen application, N-Time helps growers avoid over-application of fertilizer. This optimization leads to direct savings on fertilizer costs while ensuring crop health and yield. ### Can I schedule fertilizer applications with N-Time? Yes, the N-Time app allows you to schedule fertigation events directly from your phone. It provides actionable scheduling recommendations based on your crop's nitrogen needs. ### Does N-Time work offline? The provided data does not specify offline functionality. However, it integrates with connected systems like John Deere Operations Center, suggesting an online component is likely required for full functionality. ### What devices support N-Time? N-Time is supported on iPhone, iPad, and iPod devices. It is designed for mobile use by growers and advisors. ### How often is N-Time updated? The latest version of N-Time is 2.0.10, last updated on July 14, 2025. This indicates a recent update, suggesting the app is actively maintained. ### Is N-Time suitable for all ages? N-Time has an age rating of 17+. This is likely due to the technical nature of the agricultural data and management features it provides. ### Does N-Time have ads? No, N-Time does not contain advertisements. The app is free to use and does not rely on ad revenue for monetization. ## Version history (last 5 releases) ### 2.0.10 — 2025-07-14 The N-Time mobile app is deprecated, information will be incorrect and the app will no longer be supported. Please use your phones browser at https://ntime.sentinelfertigation.com! ### 2.0.7 — 2024-07-17 - Adds insights plots as an option to our map layers menu - Bugfixes and improvements ### 2.0.6 — 2024-07-16 This release contains bugfixes to our recommendations and fields list ### 2.0.5 — 2024-07-08 Contains updates & bugfixes to our recommendation card and our fields list ### 2.0.4 — 2024-06-19 This release contains bug fixes for our insights page. ## Apps similar to N | App | Rating | Price | Category | | --- | --- | --- | --- | | [LeafTech Ag](https://appshunter.io/ios/app/leaftech-ag/id6446652602) | — | Free | Utilities | | [AgXcel Calculators](https://appshunter.io/ios/app/agxcel-calculators/id1069444662) | 5.0 (1) | Free | Utilities | | [360 RAIN](https://appshunter.io/ios/app/360-rain/id6444349563) | 4.0 (7) | Free | Utilities | | [ReinCloud](https://appshunter.io/ios/app/reincloud/id1534343163) | 3.9 (7) | Free | Utilities | | [ProducerConnect](https://appshunter.io/ios/app/producerconnect/id6473276911) | — | Free | Utilities | | [Street Sentinel](https://appshunter.io/ios/app/street-sentinel/id1673037976) | 5.0 (1) | Free | Utilities | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-13.*