Comparison

IndexOS vs Electrical Schematics

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

IndexOS

Features
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IndexOS brings guided troubleshooting, fault codes, diagrams and technical calculators to your smartphone. Built for maintenance technicians, installers and service professionals, it combines five specialist technical references in one app. FIVE SECTORS, ONE PLACE TO START • ElectraIQ — Industrial automation: PLCs, variable frequency drives, motors, sensors, communication buses and electrical panels. • HVACIQ — Heating, ventilation and air conditioning: air conditioners, boilers, heat pumps, VRV/VRF systems and ventilation equipment. • HorecaIQ — Commercial kitchen equipment: ovens, dishwashers, refrigeration, espresso machines and kitchen systems. • BASIQ — Building automation and security: intruder alarms, CCTV, access control, automatic gates and lighting. • DataCIQ — Data centers and server rooms: UPS systems, batteries, cooling, power distribution, generators and monitoring. FROM SYMPTOMS TO PRACTICAL CHECKS Start with a symptom or fault code. Follow troubleshooting paths to identify possible causes and the checks to carry out. Consult manufacturer reference sheets, interactive diagrams and technical tools without constantly switching between documents. FIND YOUR TOOLS, RESUME YOUR WORK The bottom navigation bar keeps key features within reach. Use “Resume” to return to your last app and continue an unfinished diagnostic session. The AI assistant provides additional support when exploring technical issues. CONNECT FIELD WORK WITH THE OFFICE For businesses using IndexOS Azienda, the Company Area lets technicians collect and share diagnostic results, notes, photos and voice notes linked to service jobs. TECHNICAL CONTENT AVAILABLE OFFLINE Access technical content stored on your device without an Internet connection, including diagrams, reference sheets and calculators. The AI assistant and company synchronization require an Internet connection. Start with the free content and upgrade to Pro to access the full content library across all five apps Privacy Policy: https://www.indexos.it/privacy-policy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Electrical Schematics

Features
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Design electrical diagrams—single-line, multi-line, circuits, power, control, and signaling—quickly, easily, and precisely. Features an intuitive drag-and-drop editor for electrical installations, machines, mechanisms, or devices. Whether you're an electrician, electrical engineer, technician, student, or hobbyist, this app lets you create accurate circuit diagrams without the complexity of traditional CAD software. You simply select a symbol from the built-in library, drag it onto the workspace, and place it wherever you need it. In just a few minutes, you can create easy-to-understand diagrams for projects, documentation, or training. WHAT’S INCLUDED WITH YOUR PURCHASE (Standard License) • Full Editor: Access all library symbols with no restrictions and customize line colors • Ad-Free: Enjoy a clean, uninterrupted workflow • Unlimited Export: Export and share your designs in high quality as a file, image, or PDF • Project Management: Keep up to 2 editable diagrams on your device at the same time (simply export your project to PDF and start a new one whenever you need) PRO MODULE (In-App Purchase) • Unlimited Storage: Save as many diagrams on your device as your storage space allows • Advanced Features: Import one diagram into another to build complex schematics • Multi-Device: Open and edit projects created on other devices WHY YOU'LL LOVE IT • Intuitive drag-and-drop editor • More than 400 industry-standard electrical symbols • Create single-line diagrams and electrical installation layouts • Move, align, and organize components with ease • Produce clean, easy-to-read designs ready to share • Perfect for planning, documentation, education, and troubleshooting • Lightweight, fast, and easy to use • Export to CAD DXF (pay-per-use) IDEAL FOR • Electricians • Electrical engineers • Technicians • Students and teachers • Electrical contractors • Training centers EXTENSIVE SYMBOL LIBRARY Includes over 400 symbols compliant with IEC and ANSI standards: • Switches, disconnectors, circuit breakers, RCBOs, and RCDs • Contactors, relays, overload protection, and interlocks • Push buttons, limit switches, sensors, and control devices • Transformers, autotransformers, converters, and power inverters • Motors, generators, batteries, and power supplies • Resistors, capacitors, inductors, reactors, and potentiometers • Diodes, TRIACs, transistors, photovoltaic components, and LEDs • Meters, timers, lamps, connectors, socket outlets, and terminals • Grounding, conductors, junctions, wiring configurations, and much more Whether you're planning an electrical installation, documenting a project, creating educational material, or sketching a circuit, this app provides a fast and reliable way to produce accurate, high-quality drawings. Download *ElectricalCanvas* today and start creating electrical schematics with speed, precision, and confidence.

Screenshots

IndexOS4 screens
Electrical Schematics3 screens

Verdict

The call

The clearest difference is price: IndexOS at Free against Electrical Schematics's $2.99. Electrical Schematics's advantage is update cadence (every 4 days vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

IndexOS is free to download; Electrical Schematics costs $2.99 up front. IndexOS sells 2 in-app purchases, starting at $3.99 per month and Electrical Schematics sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

IndexOS ships an update monthly, Electrical Schematics every 4 days. The most recent releases landed on November 5, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 4 level
IndexOS versus Electrical Schematics: the parameters behind the verdict, then further details
ParameterIndexOSElectrical Schematics
PriceFree — better$2.99
Update frequencyMonthlyEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size201 MB11 MB
Age rating4+4+
DeveloperAlessandro Silvio CelottoAngel Martinez

In-app purchases

2 purchases

IndexOS

Subscriptions2
  • IndexOS - Piano Mensile$3.991 Month
  • IndexOS - Piano Annuale$44.991 Year
2 purchases

Electrical Schematics

One-time2
  • Convert to DXF$0.49
  • Save multiple schematics$5.99

Questions

Is IndexOS free?
IndexOS is free to download, with in-app purchases available.
Is Electrical Schematics free?
Electrical Schematics costs $2.99, and also offers in-app purchases.
Do IndexOS or Electrical Schematics have ads?
Neither IndexOS nor Electrical Schematics shows ads.
Which is updated more often, IndexOS or Electrical Schematics?
IndexOS ships an update monthly, and Electrical Schematics every 4 days. Most recently, IndexOS was updated on November 5, 2026 and Electrical Schematics on November 8, 2026.

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