Version history
Electrician Handbook — Basics
46
ASO score
Text
37/100
Reviews
50/100
Graphic
72/100
Other
0/100
App Rating
4.8
Votes
6.68K
App Age
3y 9m
Last Update
Dec 12, 2025
iAP
$2.99 - 2.99
Compare with Category Top Apps
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Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
4.77
|
4.6
|
+4%
|
|
Number of Ratings (Voted)
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6.6K
|
269.8K
|
-98%
|
|
App Age
|
3y 8m
|
6y 4m
|
-42%
|
|
In-app Purchases Price
|
$6
|
$45
|
-87
%
|
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Update Frequency
|
45d
|
44d
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+2%
|
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Title Length
|
29
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26
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+12%
|
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Subtitle Length
|
30
|
28
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+7%
|
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Description Length
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2 630
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2 877
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-9%
|
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Number of Screenshots
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1113
|
1180
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-6
%
|
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Size
|
51MB
|
220MB
|
-77
%
|
Category Ranking in United States
7 days
Last 7 days
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Last 90 days
Last 180 days
Last year
| Top | Dec 05, 2025 | Dec 12, 2025 |
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| Top | Dec 05, 2025 | Dec 12, 2025 |
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| Top | Dec 05, 2025 | Dec 12, 2025 |
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Ranking Keywords in United States
| Keywords | App Rank |
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справочники
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1
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các tính năng từ điển ai mới
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tính năng mới tủ đồ ai !
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Text ASO
Title
(
Characters:
29
of 30
)
Electrician Handbook — Basics
Subtitle
(
Characters:
30
of 30
)
Electric circuit, voltage, ohm
Description
(
Characters:
2630
of 4000
)
Electrician’s Handbook — an app for electricians, students, and installers.
Theory, diagrams, and calculators in one place.
Works offline. No ads. No subscriptions.
— Theory
A variety of topics in electrical engineering: from basic concepts to grounding and lighting diagrams. Some topics include exercises with answers for self-check.
— Diagrams
Interactive electrical diagrams. You can interact with elements to better understand how they work.
— Calculators
A section with calculators, formulas, and useful reference tables.
— Community
A section where users can ask questions, share experience, and get advice from other members.
— Contents of the "Theory" section:
Basic concepts
• Voltage, current, resistance, power
• Ohm’s Law, Kirchhoff’s rules
• Parallel and series connections
• Short circuits, safety precautions
• Electrical engineering terms
Electromechanical converters
• Transformer, generator, electric motor
• Connecting a three-phase motor using a capacitor
Protection and automation devices
• Circuit breaker, RCD, RCBO
• Voltage monitoring relay, contactor, fuses
• Surge protection devices
Cables and wires
• Wire connection methods
• Selecting cross-section by current and power
• Color coding
• Electrical panel
Power stations and substations
• Nuclear, thermal, solar, hydro, wind, and geothermal power stations
Measuring instruments
• Voltmeter, ammeter, ohmmeter, multimeter
• Clamp meter
• Electricity meter
Grounding
• Types of grounding systems
• Equipotential bonding system
Lighting
• Incandescent, LED, and other types of lamps
• Lamp holders, bases, lumens, lux
• Color temperature
• LED strip
Work execution
• Socket repair
• Installation of flush-mounted and surface-mounted sockets
• Switch installation
Additional information
• Power supply categories
• Surge overvoltages
• IP protection rating
• Electrician’s tools
• Types of outlets and plugs, voltages in different countries
• Joule’s Law, Coulomb’s Law
• Right-hand and left-hand rules
— Contents of the "Diagrams" section:
• Switch (1 and 2 gang)
• Three-gang switch
• Two-way switch
• Two-way switch with intermediate switch
• Outlets and switch in one block
• Lighting with dimmer
• Motion sensor lighting
• Relay with light sensor
• Lighting with impulse relay
• Fluorescent lamp wiring
• Socket wiring diagrams
• Magnetic starter for motor
• Star and delta motor connection
— Contents of the "Calculators" section:
• Basic formula calculator
• Electricity cost calculator
• SI unit system and metric prefixes
• Diameter ↔ cross-section table
• AWG to mm and mm to AWG conversion
• Electronic component symbols}
Read more
Other
Additional Information
Version history
3.3.9
Dec 12, 2025
Ajout du calculateur de chute de tension
Ajout du calculateur de code couleur des résistances
3.3.6
Nov 18, 2025
bug fix