Growsafe Knapsack Spray Calc vs IDT Data Logger
Price, ratings, monetisation and update history for both apps, side by side — 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.
IDT Data Logger
Manually record data points using user-defined labels and NFC tags. Capture tag information like number and description alongside your collected data. Share your recorded information across devices via AirDrop.
- Manual data recording
- User-defined labels
- NFC tag integration
- Capture tag number and description
- Data sharing via AirDrop
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This application lets you manually record data points under a series of labels. Labels are user-defined series of numbers or physical locations identified by NFC tags. If NFC tags are used, this application enables the reading of the tag content, for instance tag number and description, and record this information against the data points you collect. Recorded data can be uploaded in AirDrop or shared across devices.
Screenshots
Verdict
The clearest difference is update cadence: IDT Data Logger at every 11 months against Growsafe Knapsack Spray Calc's every 92 months. On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Growsafe Knapsack Spray Calc ships an update every 92 months, IDT Data Logger every 11 months. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.
| Parameter | Growsafe Knapsack Spray Calc | IDT Data Logger |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 92 months | Every 11 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 19 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Groundtruth Limited | Instruments & Data Tools Pty Ltd |
Customer experience
Growsafe Knapsack Spray Calc
IDT Data Logger
In-app purchases
Growsafe Knapsack Spray Calc
No in-app purchases
IDT Data Logger
No in-app purchases
Questions
Is Growsafe Knapsack Spray Calc free?
Is IDT Data Logger free?
Do Growsafe Knapsack Spray Calc or IDT Data Logger have ads?
Which is updated more often, Growsafe Knapsack Spray Calc or IDT Data Logger?
Other comparisons
