Comparison

PGR Calculator vs Jacto Smart Control

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

Head to head
About

PGR Calculator

This app simplifies the calculation of plant growth regulators (PGRs) for field applications. It helps users determine the correct rates for spray or drench applications based on desired dosage and area size, ensuring accurate product and solution amounts.

Highlights
  • Calculate PGR rates for spray applications
  • Calculate PGR rates for drench applications
  • Enter desired dose and application area
  • Calculate solution and product amounts
  • Access SDS sheets and product labels
Features
Read full description

The OHP PGR Calculator takes the guess work out of the equation when it comes to calculating and applying PGRs (Plant Growth Regulants) in the field. The OHP PGR Calculator will allow the user to look up current PGR rates in ppm for spray or drench applications. The grower then enters the desired dose and the size of the application area (L x W) or the number of pots for a drench and the application conveniently calculates the amount of solution and product needed. "A simple tool like this takes the guess work out of PGR applications and calibration. It's easy and accurate," adds Dave Barcel, Senior Technical Manager - OHP, Inc. The OHP PGR Calculator also has the ability to access SDS sheets, Labels and other specific information on different OHP PGR products.

About

Jacto Smart Control

Connect your smartphone to a battery-powered doser and sprayer to manage agricultural applications. Adjust dosages, map application areas, and generate detailed reports on product usage and operator performance.

Highlights
  • Switch between spray and doser modes
  • Adjust product dosage
  • Calibrate doses
  • Record application history
  • Generate detailed reports
  • Track product and operator details
Read full description

Jacto DB-S is the world's first battery-powered doser and sprayer connected to a smartphone. With the Jacto Smart Control app, you connect to the equipment, generate spraying reports, adjust the product application dosage in the field, map the region and amount of products applied at the end of the day. Download the App now and try out these and all the other features that a Jacto equipment can offer you. Learn more about Jacto DB-S at https://bit.ly/2yOKOkl GET THE MOST OUT OF YOUR JACTO DB-S THROUGH THE APP'S FEATURES: • Switch between spray mode and doser mode; • Adjust dosage quickly and easily; • Allows you to calibrate doses; • Records application history; • Generates detailed reports; • Creates records of the type of product used, commercial name, dosage, etc.; • Creates records of the operator, type of cultivation, speed and application volume; • And much more

Screenshots

PGR Calculator3 screens
Jacto Smart Control4 screens

Verdict

The call

The clearest difference is review sentiment: PGR Calculator at 100% against Jacto Smart Control's 0%. PGR Calculator also leads on rating (3.3 vs 1.0) and ads (none vs shown). On price, update cadence, 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.

ReceptionRating · Positive reviews · Number of ratings

PGR Calculator holds the better App Store score, 3.3 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 100% of PGR Calculator's written reviews are positive against 0% of Jacto Smart Control's.

UpkeepUpdate frequency

PGR Calculator ships an update every 4 months, Jacto Smart Control every 3 months. Both last shipped on October 9, 2026.

Scorecard6 real differences · 4 level
PGR Calculator versus Jacto Smart Control: the parameters behind the verdict, then further details
ParameterPGR CalculatorJacto Smart Control
PriceFreeFree
Rating3.3 (4 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings4 — better1
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.2 — better14.0
Further details — not scored
Size17 MB30 MB
Age rating4+4+
DeveloperOHP, Inc.Máquinas Agrícolas Jacto S/A

Customer experience

PGR Calculator

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Jacto Smart Control

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

PGR Calculator

No in-app purchases

None

Jacto Smart Control

No in-app purchases

Questions

Is PGR Calculator free?
PGR Calculator is free to download, with no in-app purchases.
Is Jacto Smart Control free?
Jacto Smart Control is free to download, with no in-app purchases.
Which has better reviews, PGR Calculator or Jacto Smart Control?
PGR Calculator is rated higher. PGR Calculator averages 3.3 out of 5 from 4 ratings, while Jacto Smart Control averages 1.0 from 1 ratings.
Do PGR Calculator or Jacto Smart Control have ads?
Jacto Smart Control shows ads; PGR Calculator does not.
Which is updated more often, PGR Calculator or Jacto Smart Control?
PGR Calculator ships an update every 4 months, and Jacto Smart Control every 3 months. Most recently, PGR Calculator was updated on October 9, 2026 and Jacto Smart Control on October 9, 2026.

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