Best RRTool alternatives: apps like RRTool

10+ similar apps compared and reviewed

4.2 avg rating

9 free apps

Updated October 2026

Bay Area Instruments Inc.

🍔 Food & Drink

Looking for something like RRTool? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to RRTool

#1

BrauRefracto by Peter Borer

Beer Refractometer Calculator

Editor's Choice

0.0(0 ratings)

Free

BrauRefracto screenshot 1

#2

BaseCalc HVAC Calculator by BASEMAPPED LLC

BTU CFM Duct Calculator

Strong Contender

5.0(1 ratings)

FreeIn-App Purchases

BaseCalc HVAC Calculator screenshot 1

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BaseCalc HVAC Calculator screenshot 3

BaseCalc HVAC Calculator screenshot 4

BaseCalc HVAC Calculator screenshot 5

This professional tool offers 18 HVAC calculators for field use, including BTU, CFM, duct sizing, and psychrometrics. It saves calculation history, job records, and allows PDF export of worksheets. The app works offline and features a high-contrast interface for job sites.

#3

Apiary Tools by Mark VerHill

Hive tracker & bee calculators

Worth Considering

5.0(7 ratings)

FreeIn-App Purchases

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Manage your bee hives with this comprehensive tool. Track inspections, log hive details, set reminders for essential tasks, and utilize built-in calculators for feeding and treatments. Share access with others and keep an inventory of your beekeeping equipment.

More apps like RRTool

World Clock - Time Zone Wheel

World Clock - Time Zone Wheel

World Clock - Time Zone Wheel

Visualize global time zones with a 3D Earth and Moon. This app displays local times for over 460 cities and offers a 3D/2D map view. It supports numerous system languages and provides detailed country and region information.

3D Earth and Moon visualizationSolar Clock featureOver 460 cities' local time

Compare with RRTool

MOVE motorize blinds & shades

MOVE motorize blinds & shades

MOVE motorize blinds & shades

Motor for blinds and shades

Automate your indoor blinds and shades with this smart motor. Control individual devices, create groups, and set schedules for effortless operation. Enjoy user-friendly control for various blind types.

Motorizes various blind typesIndividual device controlGroup device management

Compare with RRTool

Homebrew Calculator

A professional toolkit for homebrewers featuring a suite of calculators for IBU, ABV, calories, and Brix. It also includes precise unit converters for volume, weight, temperature, and gravity, all without ads or subscriptions.

IBU calculator (Glenn Tinseth)ABV estimation (precision table & formula)Calorie estimation (Real Extract method)

Compare with RRTool

Pressure Converter Psi Bar Pa

Pressure Converter Psi Bar Pa

Pressure Converter Psi Bar Pa

For fast pressures converts

Quickly convert pressure measurements between various units including Psi, Bar, Atm, and Pascal. This utility tool offers fast and flexible conversions for your needs.

Convert Psi, Bar, Atm, PascalConvert Kilopascal (kPa)Convert Megapascal (MPa)

free with in-app purchases

Compare with RRTool

Sentrius Sensor App

Sentrius Sensor App

Sentrius Sensor App

Configure wireless sensors and their LoRa keys with an intuitive interface. Adjust BLE and LoRa radio settings, manage temperature and humidity sensors, and analyze wireless performance. Update device firmware over-the-air and visualize sensor data trends.

Wireless commissioning interfaceBLE and LoRa radio configurationTemperature & Humidity sensor setup

Compare with RRTool

by CEM Corporation

Compare with RRTool

Control Mega Modz Controllers.

Customize and fine-tune your gaming controller with a modchip directly from your mobile device. Make real-time adjustments to settings for optimal performance during gameplay. Configure your mods with an intuitive interface for a simplified experience.

Real-time mod setting adjustmentsIntuitive user interfaceQuick setup and customization

Compare with RRTool