Comparison

Growsafe Knapsack Spray Calc vs Arvida Maintenance Requests

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Growsafe Knapsack Spray Calc

Free

📊 Productivity

No ratingsView app →

Arvida Maintenance Requests

Log maintenance & gardening

Free

📊 Productivity

No ratingsView app →

About

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.

Highlights

Calculate agrichemical product amounts
Achieve target spray concentrations
Simplify spray tank calculations
Designed for agricultural use

Features

Read full description

This tool can calculate how much agrichemical product you need to add to your spray tank to achieve target concentration.

About

Arvida Maintenance Requests

Features

Read full description

Used by staff & residents of Arvida Aged Care properties to raise maintenance & gardening requests from a list of service categories.

Screenshots

Growsafe Knapsack Spray Calc4 screens

Arvida Maintenance Requests4 screens

Verdict

The call

The clearest difference is update cadence: Arvida Maintenance Requests at every 2 months against Growsafe Knapsack Spray Calc's every 92 months. On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Growsafe Knapsack Spray Calc ships an update every 92 months, Arvida Maintenance Requests every 2 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 7 level

Growsafe Knapsack Spray Calc versus Arvida Maintenance Requests: the parameters behind the verdict, then further details
Parameter	Growsafe Knapsack Spray Calc	Arvida Maintenance Requests
Price	Free	Free
Positive reviews	0.0% of reviews	—
Update frequency	Every 92 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.0 — better	13.0
Further details — not scored
Size	19 MB	11 MB
Age rating	4+	4+
Developer	Groundtruth Limited	Urbanise.com

In-app purchases

None

Growsafe Knapsack Spray Calc

No in-app purchases

None

Arvida Maintenance Requests

No in-app purchases

Questions

Is Growsafe Knapsack Spray Calc free?

Growsafe Knapsack Spray Calc is free to download, with no in-app purchases.

Is Arvida Maintenance Requests free?

Arvida Maintenance Requests is free to download, with no in-app purchases.

Do Growsafe Knapsack Spray Calc or Arvida Maintenance Requests have ads?

Neither Growsafe Knapsack Spray Calc nor Arvida Maintenance Requests shows ads.

Which is updated more often, Growsafe Knapsack Spray Calc or Arvida Maintenance Requests?

Growsafe Knapsack Spray Calc ships an update every 92 months, and Arvida Maintenance Requests every 2 months. Most recently, Growsafe Knapsack Spray Calc was updated on November 2, 2026 and Arvida Maintenance Requests on October 25, 2026.