Best Top Hand Transformer Lab Apps

250+ iOS apps curated and reviewed

4.3 avg rating
14 free apps
Updated August 2026

The best top hand transformer lab apps on iPhone average 4.3★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Top Hand Transformer Lab Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Top Hand Transformer LabTop Hand Transformer Lab$9.995.0★ (2)NoNoAug 2026
2Transformer Calculator ProTransformer Calculator ProFreeNoYesMay 2026
3Flyback Transformer DesignerFlyback Transformer DesignerFreeNoYesJun 2026
4Transformer Calculation ToolTransformer Calculation ToolFreeNoYesJun 2026
5Lineman's Reference - XFMR LABLineman's Reference - XFMR LAB$19.994.4★ (213)NoNoAug 2026
6Transformer DesignerTransformer Designer$1.99 was $4.99NoNoMay 2026
7Audio Transformer CalculatorAudio Transformer Calculator$11.993.8★ (5)NoNoJul 2026
8Transformer LabsTransformer LabsFreeNoNoJul 2026

Top Picks for Top Hand Transformer Lab

Top Hand Transformer Lab#1

Top Hand Transformer Lab by JAMES FRANCIS KENNEDY

Wire. Energize. Learn.
Editor's Choice
📚 Education
5.0(2 ratings)
$9.99
Top Hand Transformer Lab screenshot 1
Top Hand Transformer Lab screenshot 2
Top Hand Transformer Lab screenshot 3
Top Hand Transformer Lab screenshot 4
Top Hand Transformer Lab screenshot 5

This app allows users to build and test transformer bank connections virtually. Users can wire components, set voltages, and instantly see the results, learning through hands-on experimentation without real-world consequences.

More Top Hand Transformer Lab apps to explore

4
Transformer Calculation Tool
Transformer Calculation Tool
Transformer Calculation Tool
Voltage & Turns Ratio Calc
Free
🔧 Utilities
(0)
5
Lineman's Reference - XFMR LAB
Lineman's Reference - XFMR LAB
Lineman's Reference - XFMR LAB
Transformer Training Simulator
$19.99

This interactive simulator allows users to study and learn transformer connections. Test your wiring with various meters, and experience consequences of improper connections. Includes reference diagrams, informational material, and a quiz mode to test knowledge.

Transformer connection simulationVolt, ohm, and rotation metersAbnormal voltage and fuse explosion simulation
📚 Education
(213)
free
6
Transformer Designer
Transformer Designer
Transformer Designer
Single Phase - E I Type
$1.99
$4.99 | 60% OFF
🔍 Reference
(0)
7
Audio Transformer Calculator
Audio Transformer Calculator
Audio Transformer Calculator
3 in 1 transformer calculator
$11.99

This app simplifies the calculation of power and audio transformers for DIY electronics projects, particularly tube amplifiers. It handles various transformer types and core configurations with user-friendly input of voltages, currents, or impedances. Enhanced features offer more capabilities than traditional spreadsheet calculators.

Calculate power transformersCalculate audio transformers (push-pull, single-ended)Supports tube amplifier builds
📚 Education
(5)
paid
8
Transformer Labs
Transformer Labs
Transformer Labs
Internal for the Transformer
Free
💼 Business
(0)
9
IEE Business
IEE Business
IEE Business
Electrical toolbox & reference
Free
🔧 Utilities
(0)
10
Transformer Calculator.
Transformer Calculator.
Transformer Calculator.
primary / secondary
Free

This app simplifies transformer calculations for engineers and students. It accurately computes primary and secondary currents, turns ratios, and secondary voltages based on user inputs for transformer ratings and winding turns.

Primary and secondary current calculationsTurns ratio determinationTransformer type identification
🔧 Utilities
(47)
free with in-app purchases
11
Calculation Transformers
Calculation Transformers
Calculation Transformers
Transformer Math Tool
Free
🔧 Utilities
(0)
12
Transformer Calc NEC
Transformer Calc NEC
Transformer Calc NEC
NEC Art.450 kVA & OCPD
$0.99
🔧 Utilities
(0)
13
Electrical Calculator ElecCalc
Electrical Calculator ElecCalc
Electrical Calculator ElecCalc
Pro Electrical Calculator
Free
🔧 Utilities
(0)
14
Conduit Fill: NEC Calculator +
Conduit Fill: NEC Calculator +
Conduit Fill: NEC Calculator +
Wire, box fill & derating calc
Free
🔧 Utilities
(0)
15
PTI Transformer
PTI Transformer
PTI Transformer
by Push Interactions, Inc.
Free

This app calculates electrical transformer performance metrics like current, voltage, efficiency, and regulation. It also offers SI/Metric conversions for various physical quantities and includes a tool for estimating ship dates based on order time.

Transformer current, voltage, efficiency, and regulation calculationSI/Metric unit conversionsSpeed, force, power, area, pressure, volume, temperature, weights & measures conversions
📊 Productivity
(1)
free
16
LineConstants
LineConstants
LineConstants
Line Constants
Free
🔧 Utilities
(0)
17
TrueLine: One-Line Diagram
TrueLine: One-Line Diagram
TrueLine: One-Line Diagram
Electrical One-Line Generator
Free
🔧 Utilities
(0)
18
Circuit Laboratory
Circuit Laboratory
Circuit Laboratory
by Fabrizio Boco
$5.99

Analyze electronic circuits with DC, AC, multifrequency AC, and transient analysis. Draw circuits graphically, modify component parameters, and view voltage and current graphs. Supports various components and offers video tutorials for each.

DC, AC, Multifrequency AC, and Transient AnalysisGraphical circuit drawingComponent parameter editing
📊 Productivity
(2)
paid
19
Conduit Bender: PipeMaster
Conduit Bender: PipeMaster
Conduit Bender: PipeMaster
EMT Pipe Bending Calculator
Free
📊 Productivity
(0)
20
Electronic Lab Free
Electronic Lab Free
Electronic Lab Free
by Luai Elamir
Free

This app provides electrical and computer engineering tools for professionals and hobbyists. It offers circuit design, simulation, component libraries, and measurement functionalities for on-the-go use.

Circuit design and simulationComponent libraries and datasheetsCalculators and unit conversion
📚 Education
(16)
free

FAQ about Top Hand Transformer Lab

What are the best top hand transformer lab apps for iPhone?
Top Hand Transformer Lab tops our top hand transformer lab apps ranking as of August 2026, with a 5.0-star average from 2 App Store ratings, and it's priced at $9.99.
Yes — 14 of the top top hand transformer lab apps we rank are free to download, including Transformer Calculator Pro and Flyback Transformer Designer.
Top Hand Transformer Lab has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ top hand transformer lab apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Top Hand Transformer Lab is a virtual sandbox application that allows users to build and test transformer bank connections. It provides a consequence-free environment to learn by wiring components and observing immediate results.
It uses a learn-by-doing methodology. Users can wire transformer components, set primary voltages, and then 'energize' the bank to see the resulting secondary voltages. This instant feedback helps users understand the impact of their wiring choices.