Word Counter – Notepad
See words, characters, sentences and paragraphs update as you type, with notes and writing-time statistics.
Explore Word CounterPractical Android tools for the job at hand.
Calculate volts, amps, watts and ohms. Work through a wide range of electrical calculations. Or count words and characters as you write. Choose the tool that fits what you need to do.
Free to installNo subscriptions
Start with what you need to do.
Three focused tools. Begin with your task, compare the available versions, and go straight to the app store.
Volt Amp Watt Calculator
Know two values? Calculate volts, amps, watts and ohms with Ohm’s Law. Choose the free version or Pro with expanded history.
Explore the calculator
All Electrical Calculations
Explore electrical, motor, energy, power and lighting calculations, along with everyday unit converters.
Explore calculationsSee your counts as you write.
Track words, characters, sentences and paragraphs as you type. Keep your writing statistics on the same screen, save notes, and share text through compatible apps.
Word Counter – NotepadActual app screenshots
Built for everyday writing
- Character counts for popular social text fields
- Reading, speaking and writing-time estimates
- Save and edit notes
- Autosaves text in progress when you leave
- Dark and light themes, plus adjustable text and spacing
- Speech-to-text through your keyboard microphone
Word Counter – Notepad
Free to install, with ads.
Watch the app in action
Know two values? Calculate the rest.
Use Ohm’s Law to calculate volts, amps, watts and ohms by entering any two known values. It’s useful for quick checks such as charger wattage or a solar panel’s voltage and current.
Volt Amp Watt Calculator ProActual app screenshots
Useful details for quick calculations
- Micro, milli, kilo and mega prefixes
- Choose from 1 to 12 decimal places
- High-contrast black interface
- Phone- and tablet-friendly layout
- Single-tap clear; double-tap RESET to reset units
- Share results with compatible apps
Volt Amp Watt Calculator
Free version, with ads. Keeps your 3 most recent records and offers trial sharing.
Volt Amp Watt Calculator Pro
Paid and ad-free, with a history setting from 1 to 200 records. Saved records are stored locally and can be viewed offline.
Watch the apps in action
A wider electrical toolbox. One app.
All Electrical Calculations brings together calculations for electrical topics, motors, energy and power, lighting, and practical unit conversions. Share results as text or save them as a note.
Adjust how many tiles appear in each row and set default values to suit your workflow. New calculations may be added over time.
All Electrical Calculations +Actual app screenshots
Calculation categories
- Electrical: Ohm’s Law, AC power, VA, voltage drop, wire gauge and more
- Motors: Conversion, speed, slip and starting calculations
- Energy & power: Joules, calories, eV, power and torque
- Lighting: Candela, lumens, lux and footcandles
- Everyday: Temperature, length, weight, area and volume
All Electrical Calculations
Free version, with ads. Access the calculation collection and converters.
All Electrical Calculations +
Same calculations as the free version, without ads. One-time purchase, no subscription.
Watch the app in action
Tools built around useful tasks.
DevangOnline keeps the choice straightforward: pick a focused app, understand its options, and install the version that suits you.
Purposeful by design
Start with a specific task: solve an Ohm’s Law calculation, find a calculation in a broader electrical library, or check writing counts while editing text.
Free or paid
The free versions include ads. Paid versions of the electrical calculators are ad-free. Volt Amp Watt Calculator Pro adds expanded calculation history; All Electrical Calculations + keeps the same calculations without ads.
Made in the USA
All DevangOnline apps are developed by American developers in the United States.
App-specific data safety
Google Play data-safety declarations differ by app and version. Review the relevant details before installing rather than relying on a one-size-fits-all privacy claim.
What users say.
“I am a software developer but I almost never review apps. But, this is exactly what I was looking for, so I wanted to give a shout-out to the developer. It does one thing and does it well. No unnecessary complexity or bells and whistles.”
Brent Carey
“Unbelievably simple, user friendly and informative, still to see how many ads pop up but so far no ads and if the ‘test’ ad strip is all we have to worry about then 5 stars.”
Darren Petersen
“Clean interface, does what it's designed to do quickly and efficiently!”
Denis Myasishchev
“Simple and useful app without unnecessary ads.”
Muhammad Zafarullah
“I like how is the app very accurate and simple to use for solar panels, I know exactly how many panels I need for my usage.”
Omar Zoher Dreza
“Works super well and I usually use it to calculate the charging speed of my devices.”
Henry Stephenson
“Good for solar power calculations.”
Jamie Skopar
“Sweet, simple, fast.”
Randy Sibert
Questions, answered.
Quick information to help you choose the right version before you install.
How much do the apps cost?
Each app has a free version with ads. Volt Amp Watt Calculator and All Electrical Calculations also have paid, ad-free versions. Prices vary by country, so check the relevant Google Play listing for the price shown to you.
What does Volt Amp Watt Calculator Pro add?
The Pro version removes ads and lets you keep between 1 and 200 calculation records; 30 is the default. Records are stored locally on your device and can be viewed without an internet connection.
Is All Electrical Calculations + a subscription?
No. All Electrical Calculations + is a one-time purchase, not a subscription. It includes the same calculations as the free version without ads.
Which app should I choose?
Choose Word Counter – Notepad to count words and characters and manage notes as you write. Choose Volt Amp Watt Calculator for Ohm’s Law calculations involving volts, amps, watts and ohms. Choose All Electrical Calculations for a wider range of electrical, motor, energy, lighting and conversion tools.
Are the apps available in the Galaxy Store?
Volt Amp Watt Calculator is also available in the Galaxy Store. For the other apps, use the Google Play links on this page.
Can I view saved Volt Amp Watt Calculator Pro records offline?
Yes. Calculation history is stored locally on your device, so you can view saved entries without an internet connection.
What data do the apps collect or share?
The Google Play data-safety declarations vary by app and version. The free All Electrical Calculations listing includes information about data shared for advertising, marketing and analytics. The app-specific declarations below reflect the details provided for this page; check the live store listing before installing.
Review app-by-app data-safety detailsVolt Amp Watt Calculator — Free
No data shared with third parties. The developer says this app doesn’t share user data with other companies or organizations.
No data collected. The developer says this app doesn’t collect user data.
Data is encrypted in transit. Your data is transferred over a secure connection.
Data can’t be deleted. The developer doesn’t provide a way for you to request that your data be deleted.
Volt Amp Watt Calculator Pro
No data shared with third parties. The developer says this app doesn’t share user data with other companies or organizations.
No data collected. The developer says this app doesn’t collect user data.
All Electrical Calculations — Free
Data shared with other companies or organizations:
- Device or other IDs — Advertising or marketing.
- Approximate location — Advertising or marketing.
- Crash logs — Advertising or marketing.
- Diagnostics — Analytics.
No data collected. The developer says this app doesn’t collect user data.
Data is encrypted in transit. Your data is transferred over a secure connection.
All Electrical Calculations +
No data shared with third parties. The developer says this app doesn’t share user data with other companies or organizations.
No data collected. The developer says this app doesn’t collect user data.
Word Counter – Notepad
No data shared with third parties. The developer says this app doesn’t share user data with other companies or organizations.
No data collected. The developer says this app doesn’t collect user data.
Data is encrypted in transit. Your data is transferred over a secure connection.
Data can’t be deleted. The developer doesn’t provide a way for you to request that your data be deleted.
Developers provide data safety information. Check the store listing for the most up-to-date details about how each app collects, shares, and handles your data.
Data safety, by app.
We respect your privacy and maintain transparent data practices, collecting only the information necessary for the app to function properly.
Pick the tool you need today.
Find the calculator or writing tool that fits your task, then install it from Google Play. Know someone who could use DevangOnline? Share the site with them.