Agri Calculator vs OpenSoil
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Agri Calculator
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A simple tool for agriculture calculations. Currently, you can calculate plant population, calibrate a basic boom sprayer, use the product calculator, and the NPK fertilizer calculator—with loads more to come. Meet our new AI chat assistant, ready to answer your farming queries, provide guidance, and help optimize your yields. You can save your calculations for future reference and group them accordingly. Supports both metric units and imperial. For Terms of Use, please visit: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
OpenSoil
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OpenSoil is a powerful tool for farmers and agronomists that helps accurately calculate fertilizer requirements, optimize costs, and increase yields with the support of artificial intelligence. Main features Soil analysis – Enter sensor or laboratory data on N, P, K content (kg/ha). – Forecast natural yield without fertilizer application. Fertilizer rate calculation – Planned yield (t/ha) for a given area (ha, ares, m²). – Fertilizer dosage per hectare and for the entire field, taking into account conversion factors. – Automatic selection of a sequence of complex and single-component fertilizers to fully cover NPK deficiencies. AI recommendations – OpenAI integration: step-by-step agronomic advice tailored to Ukrainian climate and specific crops. – Consideration of application timing, dosage, and best agronomic practices. Professional PDF report – Automatic export of fertilizer rate tables and textual recommendations. – Easy sharing of reports via email or messengers. How it works: Select a crop from the database. Enter soil data (N, P, K), planned yield, and area. Tap “Calculate fertilizers” to get: • Natural yield from the soil • Percentage yield increase • Fertilizer application rates (N, P, K) per hectare and for the entire field Then move on to fertilizer selection – the system automatically filters out unnecessary options and builds the optimal application sequence. Get an intelligent AI-powered recommendation and save it as a PDF. Why choose OpenSoil – Save time and resources: forget manual calculations, just a few taps – Accuracy and reliability: algorithms consider actual soil properties and crop requirements – Innovation: AI suggests the best agronomic practices – Mobility: work directly in the field, data stored locally Join OpenSoil today and make your harvest more profitable! By downloading this app, you agree to Apple’s standard Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: OpenSoil at none against Agri Calculator's 2. On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Agri Calculator sells 2 in-app purchases, starting at $1.99 per month. OpenSoil asks for nothing beyond the download.
Agri Calculator ships an update every 4 weeks, OpenSoil every 5 weeks. The most recent releases landed on September 8, 2026 and September 21, 2026 respectively.
| Parameter | Agri Calculator | OpenSoil |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 50 MB | 86 MB |
| Age rating | 4+ | 4+ |
| Developer | TCEI | Dmytro Kravtsov |
In-app purchases
Agri Calculator
- Monthly Subscription7 Days trial$1.991 Month
- Yearly Subscription7 Days trial$19.991 Year
OpenSoil
No in-app purchases









