Best Power Amp Voltline Apps

120+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated May 2026

If you already know iRig Guitar Amp & FX · Deplike, this is the deeper bench. 120+ Power amp voltline apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Top Picks for Power Amp Voltline

BIAS AMP 2 - for iPhone#2

BIAS AMP 2 - for iPhone by Positive Grid Inc

Ultimate Virtual Amp Designer
Strong Contender
🎵 Music
4.4😐(641 ratings)
FreeIn-App Purchases
BIAS AMP 2 - for iPhone screenshot 1
BIAS AMP 2 - for iPhone screenshot 2
BIAS AMP 2 - for iPhone screenshot 3
BIAS AMP 2 - for iPhone screenshot 4
BIAS AMP 2 - for iPhone screenshot 5
BIAS AMP 2 - for iPhone screenshot 6

Create your dream guitar amplifier sound with a professional virtual amp designer for iPhone. Customize over 36 vintage, modern, and boutique amps, swap components, access thousands of tones on ToneCloud®, and integrate with BIAS FX and JamUp for a complete guitar system. Explore BIAS AMP 2 now at positivegrid.com.

What We Love

  • 🚀 Awesome sounds
  • 🚀 Highly customizable
  • 🚀 Great for live use
  • 👍 Realistic amp modeling

Room to Improve

  • 🐛 Crashes and stability issues
  • 🐛 Compatibility problems with iOS updates
  • 💰 Have to pay twice for iPhone and iPad versions
Anker#3

Anker by Power Mobile Life LLC

Worth Considering
🔧 Utilities
4.5😐(1.1K ratings)
Free
Anker screenshot 1
Anker screenshot 2
Anker screenshot 3
Anker screenshot 4

Control, monitor, and update your Anker power banks, outdoor energy devices, and more with this app. Adjust power settings, check device status, and receive firmware updates for supported products for a smarter experience.

What We Love

  • 👍 Easy to use
  • 🚀 Powerful and reliable
  • 💡 Useful app features
  • 🔋 Good battery life

Room to Improve

  • 🐛 Connectivity issues
  • 🔒 Privacy concerns
  • 💡 Lacking advanced features

More Power Amp Voltline apps to explore

4
Watts Amps Volts  Calculator
Watts Amps Volts  Calculator
Watts Amps Volts Calculator
Electrical power calculator
Free

This electrical power calculator allows users to calculate and convert between various electrical units, including Watts, Amps, Volts, kW, and Power Factor, for single and three-phase electrical formulas. Simply enter the required values and press calculate to get the desired result.

🔧 Utilities
(46)
5
Overloud THU
Overloud THU
Overloud THU
Guitar Amp & FX Simulator
Free

Experience a top-tier guitar amp simulation software that offers an extensive range of realistic amplifier and effects simulations for musicians and producers of all levels. Elevate your sound with Overloud THU now!

🎵 Music
(95)
6
Ohm's Law & Power Law Calculator
Ohm's Law & Power Law Calculator
Ohm's Law & Power Law Calculator
by Cressall Resistors Ltd
Free

This application calculates electrical values using Ohm's law and the power law, allowing users to set any two parameters and calculate the other two. With a simple and interactive interface, users can rapidly recalculate "what-if" scenarios by entering values and fixing parameters with a padlock feature.

🔧 Utilities
(26)
7
Sound Amplifier
Sound Amplifier
Sound Amplifier
Max Volume Booster Hearing Aid
Free

Transform your phone into a powerful hearing aid with this app. Amplify sounds up to 100x, enhance voices, and reduce background noise while using your headphones. Perfect for conversations, TV watching, and more. Start hearing clearly with just one tap!

🔧 Utilities
(1K)
8
Ohm & Watt Law Electrical Calc
Ohm & Watt Law Electrical Calc
Ohm & Watt Law Electrical Calc
Volt,Current,Power,Resistance
Free

This electrical calculator helps users find missing variables of electricity, such as power, voltage, current, and resistance, by simply inputting two known values. Try it out to easily solve your electrical calculations and get accurate results.

🔧 Utilities
(49)
9
VStomp Amp
VStomp Amp
VStomp Amp
by Changsha Hotone Audio Co., LTD
Free

Experience heart-pounding, studio-grade sound quality with this mobile amplifier application, featuring a vast library of legendary amplifier and cabinet models, as well as built-in effects. Simply pick an amp, cab, and ambience to enjoy realistic and organic tones, with no complex setup or customization required - start rocking with authentic sound!

🎵 Music
(10)
10
Power Converter
Power Converter
Power Converter
by Rick Kolluri
Free
📚 Education
(0)
11
kVA Calculator
kVA Calculator
kVA Calculator
kVA kW Amps Power Factor Volts
Free
$0.99 | 100% OFF

This electrical calculator app allows users to convert and calculate kVA, kW, Amps, Volts, and Power Factor for single and three-phase systems, making it a handy tool for engineers working with UPS systems, generators, or transformers. Simply enter any two values to calculate the third and tap "Calculate" to get the result, and "Reset" to start a new calculation.

🔧 Utilities
(11)
12
Electrical Engineering - lite
Electrical Engineering - lite
Electrical Engineering - lite
60 calculations with circuits
Free

This application provides a comprehensive set of electrical calculators and converters, covering 60 calculations and 16 conversions, to help professionals and students easily solve complex electrical engineering problems. With its user-friendly interface and multiple unit options, it enables precise results and seamless handling of diverse units, making it an essential tool for anyone working with electrical circuits.

📚 Education
(248)
13
Ohms Law Calc.
Ohms Law Calc.
Ohms Law Calc.
Wire Size & Voltage Drop
Free

Ohms Law Calc. is a comprehensive app featuring 62 electrical calculators and formulas for various calculations such as voltage, current, resistance, and power. Explore a wide range of tools including voltage drop, power factor, transformer calculator, and more!

🔧 Utilities
(1.3K)
14
Operational Amplifiers Guide
Operational Amplifiers Guide
Operational Amplifiers Guide
Op-Amp Calculator Toolkit
Free
🔧 Utilities
(0)
15
Zappy US
Zappy US
Zappy US
by Needzappy USA Inc.
Free

Get your power bank now and enjoy your day with a convenient on-the-go charging solution. Charge your device anywhere with shared power banks.

🌟 Lifestyle
(9)
16
Electrikit
Electrikit
Electrikit
Power Electronics Calculator
Free

This powerful electronics calculator is a must-have tool for enthusiasts, students, and professionals, offering a wide range of calculators for tasks such as power, voltage drop, and resistance calculations. With an intuitive UI and various features, including dark and light themes, it simplifies working with electronics circuits and devices - download it now to streamline your workflow.

📚 Education
(7)
17
Quint Power App
Quint Power App
Quint Power App
by Phoenix Contact GmbH & Co. KG
Free

This app allows you to customize and control your power supply through NFC, enabling you to set thresholds, adjust output voltage, and tailor the output curve to your needs. Download and start configuring your power supply today to optimize its performance and functionality.

🔧 Utilities
(1)
18
OHMs Law Calc
OHMs Law Calc
OHMs Law Calc
by Jonathan Mellen
$1.99

This application calculates electrical values using OHM's Law for single and three-phase systems, allowing users to easily determine watts, volts, amps, or ohms. Simply select a value from the OHM's law circle and calculate, with the option to also back-calculate load resistance and support for widgets.

🔍 Reference
(3)
19
Tone Room
Tone Room
Tone Room
Editor/Librarian VOX products
Free
🎵 Music
(40)
20
Power Capacitors
Power Capacitors
Power Capacitors
by Pro Certs Software Ltd
Free
🔧 Utilities
(0)