Comparison

AC Calculator vs Robovisor CTRL

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

Head to head
About

AC Calculator

This utility app simplifies HVAC sizing by calculating BTU/h capacity and recommending equipment. It offers unit conversions, price estimates, and energy consumption comparisons. Advanced features can be unlocked via in-app purchases.

Highlights
  • Calculate BTU/h capacity
  • Recommend equipment types
  • Convert BTU, kW, Kcal, Tons
  • Check price estimates
  • Compare inverter vs. conventional
Features
Read full description

AC Calculator makes HVAC sizing simple. Quickly calculate BTU/h capacity, get recommended equipment types, convert between BTU, kW, Kcal and Tons, check up-to-date price estimates, and compare inverter vs. conventional energy consumption. Unlock professional-grade features anytime with in-app purchases.

About

Robovisor CTRL

Manage your Robovisor devices with this app. Easily join and accept calls, display survey forms, and show images directly on the device. Future updates will add more web application features.

Highlights
  • Join calls with devices
  • Accept incoming calls
  • Display survey forms
  • Display images
  • Device management
Features
Read full description

The Robovisor app offers a complete solution for the efficient management of your Robovisor devices. Designed to simplify day-to-day operations, this app allows you to easily join calls with the devices, ensuring smooth communication. What's more, you can accept incoming calls quickly and effectively, keeping you connected with your team or clients. In addition to the calling functionalities, the app offers a range of additional features to enhance productivity. With the ability to display survey forms directly on the device, you can collect data in an organized and efficient manner, simplifying information-gathering processes. The application also allows you to conveniently display images, providing instant access to important visual resources for your work. With future updates, we are committed to adding even more functionality, including the saved screenshots screen and other options present in the web application. Whether for internal management, customer service or any other operational need, RobovisorUSA's application is the comprehensive solution you've been looking for. Simplify your operations, improve communication and increase efficiency with this powerful device management application.

Screenshots

AC Calculator4 screens
Robovisor CTRL4 screens

Verdict

The call

The clearest difference is in-app purchases: Robovisor CTRL at none against AC Calculator's 2. Robovisor CTRL also leads on update cadence (every 2 weeks vs every 4 months) and rating (5.0 vs 4.8). AC Calculator's advantage is ratings volume (20 vs 1). On price, ads 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. AC Calculator sells 2 one-off in-app purchases. Robovisor CTRL asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Robovisor CTRL holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: AC Calculator has 20 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

AC Calculator ships an update every 4 months, Robovisor CTRL every 2 weeks. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 3 level
AC Calculator versus Robovisor CTRL: the parameters behind the verdict, then further details
ParameterAC CalculatorRobovisor CTRL
PriceFreeFree
Rating4.8 (20 ratings)5.0 (1 ratings) — better
Number of ratings20 — better1
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.613.0 — better
Further details — not scored
Size9 MB54 MB
Age rating4+17+
DeveloperMelchisedec Martinez RodriguezRobovisor LLC

Customer experience

AC Calculator

All ratings20 ratings
Positive95.0%
Neutral0.0%
Negative5.0%

Robovisor CTRL

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

AC Calculator

One-time2
  • Unlock View details$4.99
  • Unlock Advanced mode$9.99
None

Robovisor CTRL

No in-app purchases

Questions

Is AC Calculator free?
AC Calculator is free to download, with in-app purchases available.
Is Robovisor CTRL free?
Robovisor CTRL is free to download, with no in-app purchases.
Which has better reviews, AC Calculator or Robovisor CTRL?
Robovisor CTRL is rated higher. AC Calculator averages 4.8 out of 5 from 20 ratings, while Robovisor CTRL averages 5.0 from 1 ratings.
Do AC Calculator or Robovisor CTRL have ads?
Neither AC Calculator nor Robovisor CTRL shows ads.
Which is updated more often, AC Calculator or Robovisor CTRL?
AC Calculator ships an update every 4 months, and Robovisor CTRL every 2 weeks. Most recently, AC Calculator was updated on October 18, 2026 and Robovisor CTRL on October 7, 2026.

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