Growsafe Knapsack Spray Calc vs Drone Ops ToolKit
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Growsafe Knapsack Spray Calc
Calculate the precise amount of agrichemical product needed for your spray tank to achieve a specific concentration. This tool simplifies complex calculations for agricultural applications.
- Calculate agrichemical product amounts
- Achieve target spray concentrations
- Simplify spray tank calculations
- Designed for agricultural use
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This tool can calculate how much agrichemical product you need to add to your spray tank to achieve target concentration.
Drone Ops ToolKit
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Drone Ops Toolkit is an all-in-one operational and compliance system designed for professional drone operators. Built with real-world agricultural drone operations in mind, Drone Ops Toolkit helps simplify day-to-day workflows while keeping important operational records organised and accessible. Features include: ā¢ Farm and client logbooks ā¢ Full job workflow management ā¢ Weather recording ā¢ Hazard register and job site safety analysis ā¢ Chemical calculator with batch calculations ā¢ Chemical library and saved mixes ā¢ Aircraft register and maintenance tracking ā¢ Manual reader with searchable SOPs and documents ā¢ PDF export and reporting ā¢ Backup and restore system ā¢ Compliance-focused workflow tools Designed for both field use and operational record keeping, Drone Ops Toolkit helps reduce paperwork while improving consistency and efficiency. Subscriptions unlock additional premium workflow and compliance features. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Available subscriptions: ā¢ Pro Monthly ā $35/month ā¢ Operations+ Monthly ā $65/month Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/drone-ops-toolkit-privacy-poli/home
Screenshots
Verdict
The clearest difference is in-app purchases: Growsafe Knapsack Spray Calc at none against Drone Ops ToolKit's 4. Drone Ops ToolKit's advantage is update cadence (every 3 months vs every 92 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Drone Ops ToolKit sells 4 in-app purchases, starting at $3.99 per month. Growsafe Knapsack Spray Calc asks for nothing beyond the download.
Growsafe Knapsack Spray Calc ships an update every 92 months, Drone Ops ToolKit every 3 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | Growsafe Knapsack Spray Calc | Drone Ops ToolKit |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | ā |
| Update frequency | Every 92 months | Every 3 months ā better |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Monetization | Free | ā |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 ā better | 13.0 |
| Further details ā not scored | ||
| Size | 19 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Groundtruth Limited | jeremy cullen |
In-app purchases
Growsafe Knapsack Spray Calc
No in-app purchases
Drone Ops ToolKit
- full calculator$3.991 Month
- Pro1 Month trial$22.991 Month
- full calculator$39.991 Year
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- Operations+1 Month trial$39.991 Month
Questions
Is Growsafe Knapsack Spray Calc free?
Is Drone Ops ToolKit free?
Do Growsafe Knapsack Spray Calc or Drone Ops ToolKit have ads?
Which is updated more often, Growsafe Knapsack Spray Calc or Drone Ops ToolKit?
Other comparisons
