Fertilizer Calc App vs VIP IoT Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fertilizer Calc App
This app helps farmers precisely calculate fertilization needs for their crops. Users can input field details, set fertilization targets for key nutrients like N, P, and K, and determine the required application rates per hectare. It also supports custom area units for flexible calculations.
- Calculate N, P, K, MG, CA needs per field
- Set fertilization targets
- Determine Kg/Ha for each element
- Add custom area units
- Supports multiple custom units with Pro membership
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Take control of every element of fertilization. Add Fields -> Set Fertilization Target -> Add fertilization you can take control of N, P, K, MG, CA. for every field, setting the target and see how may Kg/Ha of every element your crops need. You deserve a custom area unit? No problem! just add your custom area unit in square meters (es. Acre = 4046) and Fertilizer Calc does the conversione for you. You can add multiple custom unit with pro membership.
VIP IoT Plus
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Application to control IoT Device Controller for VIP Inter Tech products - VIP IoT Plus 2P : 2 Channels - VIP IoT Plus 4P : 4 Channels - VIP IoT Plus 8P : 8 Channels Control in 3 modes - Timer - Auto by sensor - Manual Show sensor value - Temperature - Humidity - Lux - CO2 IoT Device based on ESP8266
Screenshots
Verdict
The clearest difference is in-app purchases: VIP IoT Plus at none against Fertilizer Calc App's 2. Fertilizer Calc App's advantage is update cadence (every 2 months vs every 59 months). On price, ads, device support and iOS requirement 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. Fertilizer Calc App sells 2 in-app purchases, starting at $1.99 per month. VIP IoT Plus asks for nothing beyond the download.
Fertilizer Calc App ships an update every 2 months, VIP IoT Plus every 59 months. Both last shipped on October 18, 2026.
| Parameter | Fertilizer Calc App | VIP IoT Plus |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 59 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 18 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Alberto Giambone | VIP AGRICULTURE COMPANY LIMITED |
In-app purchases
Fertilizer Calc App
- Custom Area Unit$1.991 Month
- Custom Area Unit$9.991 Year
VIP IoT Plus
No in-app purchases
Questions
Is Fertilizer Calc App free?
Is VIP IoT Plus free?
Do Fertilizer Calc App or VIP IoT Plus have ads?
Which is updated more often, Fertilizer Calc App or VIP IoT Plus?
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