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

Design your dream amplifier with this virtual amp designer. Replicate classic and modern amps, or build new sounds by swapping components like tubes and cabinets. Access a vast community of shared tones for endless sonic inspiration.

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😐(1.2K ratings)
Free
Anker screenshot 1
Anker screenshot 2
Anker screenshot 3
Anker screenshot 4

Remotely manage and monitor your Anker power banks, outdoor energy storage, and solar devices. Control output, check status, and perform over-the-air updates for a smarter energy 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 app serves as an advanced electrical power calculator. It allows users to easily compute and convert between Watts, Amps, and Volts for single-phase systems, and kW, Amps, Volts, and Power Factor for three-phase systems. Simply input known values to find the missing one.

Single-phase power calculationsThree-phase power calculationsConvert Watts, Amps, Volts
🔧 Utilities
(46)
ad-supported
5
Overloud THU
Overloud THU
Overloud THU
Guitar Amp & FX Simulator
Free

Transform your iOS device into a powerful guitar and bass amplifier and effects simulator. Build custom rigs with a vast library of amps, cabinets, and pedals, and utilize advanced features for recording, live performance, and practice.

Guitar and bass amp simulationExtensive cabinet and pedal effects libraryIR Loader
🎵 Music
(96)
free with in-app purchases
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 app calculates electrical parameters based on Ohm's and power laws. Input any two values (voltage, current, resistance, or power) and the app will automatically compute the remaining two. It allows for continuous "what-if" scenarios by locking one parameter and recalculating others.

Ohm's Law calculationsPower Law calculationsLock and unlock parameters
🔧 Utilities
(26)
free
7
Sound Amplifier
Sound Amplifier
Sound Amplifier
Max Volume Booster Hearing Aid
Free

Transform your phone into a powerful hearing aid. This app amplifies sound up to 100x, enhances voice clarity, and reduces background noise. Protect your hearing while easily listening to conversations, lectures, or TV with connected headphones.

Volume amplification up to 100xVoice isolation for clearer conversationsHearing protection features
🔧 Utilities
(1K)
free with in-app purchases
8
Ohm & Watt Law Electrical Calc
Ohm & Watt Law Electrical Calc
Ohm & Watt Law Electrical Calc
Volt,Current,Power,Resistance
Free

This utility app quickly calculates voltage, current, resistance, and power using Ohm's and Watt's laws. It's designed for electricians, engineers, and students, offering instant, accurate results with a simple interface. Works offline and is ideal for field calculations or exam preparation.

Calculate Voltage, Current, Resistance, PowerSupports Ohm's Law & Watt's LawBeginner-friendly interface
🔧 Utilities
(49)
free with in-app purchases
9
VStomp Amp
VStomp Amp
VStomp Amp
by Changsha Hotone Audio Co., LTD
Free

This app provides realistic, studio-quality guitar and bass amplifier sounds on your mobile device. It uses advanced modeling technology to replicate legendary amps and cabinets, offering a simple interface for musicians to achieve great tones.

Realistic amp and cab modelingCDCM modeling systemVintage and modern amp models
🎵 Music
(10)
free with in-app purchases
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

Easily calculate and convert electrical values like kVA, kW, Amps, Volts, and Power Factor. Supports both single and three-phase calculations for engineers working with power systems.

Calculate kVA, kW, Amps, Volts, Power FactorSingle Phase CalculationsThree Phase Calculations
🔧 Utilities
(11)
ad-supported
12
Electrical Engineering - lite
Electrical Engineering - lite
Electrical Engineering - lite
60 calculations with circuits
Free

This app offers a comprehensive suite of electrical calculations and conversions for professionals and students. It handles diverse units and provides precise results for various electrical engineering tasks, including voltage, current, power, and more.

60 Electrical Calculators16 Electrical ConvertersVoltage, Current, Resistance, Power calculations
📚 Education
(248)
free with in-app purchases
13
Ohms Law Calc.
Ohms Law Calc.
Ohms Law Calc.
Wire Size & Voltage Drop
Free

This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.

Ohm's Law calculationsVoltage drop calculatorWire size calculator
🔧 Utilities
(1.3K)
free with in-app purchases
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

Rent a portable power bank to keep your devices charged while you're out and about. Never worry about a dead battery again and enjoy your day without interruption.

Rent portable power banksCharge devices on the goShared power bank network
🌟 Lifestyle
(9)
free
16
Electrikit
Electrikit
Electrikit
Power Electronics Calculator
Free

This app provides a comprehensive suite of calculators for power electronics. It assists electronics enthusiasts, students, and professionals in solving complex circuit calculations with an intuitive interface. Essential for anyone working with electronic circuits and devices.

Power CalculatorsDelta-Wye TransformationAWG Size Calculator
📚 Education
(7)
free
17
Quint Power App
Quint Power App
Quint Power App
by Phoenix Contact GmbH & Co. KG
Free

Configure QUINT POWER power supplies remotely using NFC. Adjust signaling thresholds, output voltage, and output characteristic curves. Save and share configuration profiles from your mobile device.

NFC parameterizationDefine signaling thresholdsSet output voltage
🔧 Utilities
(1)
free
18
OHMs Law Calc
OHMs Law Calc
OHMs Law Calc
by Jonathan Mellen
$1.99

This tool calculates Ohm's Law for single and three-phase applications using vector calculations for balanced and unbalanced loads. It quickly determines Watts, Volts, Amps, or Ohms, and can back-calculate load resistance. Widget support is included.

Single and three-phase calculationsVector calculations for unbalanced loadsCalculate Watts, Volts, Amps, or Ohms
🔍 Reference
(0)
paid
19
Tone Room
Tone Room
Tone Room
Editor/Librarian VOX products
Free

This app allows you to edit and manage tones for compatible VOX amplifier products. Connect wirelessly via Bluetooth MIDI or wired via USB to customize settings, organize user programs, and create backups.

Edit amplifier tonesManage user programsBackup amplifier settings
🎵 Music
(40)
free
20
Power Capacitors
Power Capacitors
Power Capacitors
by Pro Certs Software Ltd
Free
🔧 Utilities
(0)