IndexOS vs Electrical Schematics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IndexOS
Read full descriptionHide full description
IndexOS is the offline-first technical suite for technicians and companies: guided diagnostics, mapped fault codes, technical diagrams and manufacturer cards, in four vertical apps inside a single app. THE FOUR VERTICALS • ElectraIQ — Industrial automation: PLC, drives, motors, photovoltaics • HVACIQ — HVAC and refrigeration: boilers, splits, heat pumps, chillers • HorecaIQ — Professional kitchens: ovens, refrigeration, washing, coffee • BASIQ — Building automation: alarms, CCTV, access control, KNX/DALI WHAT YOU GET • Step-by-step guided diagnostics: from symptom to cause, with suggested tools and spare parts • Fault codes by domain, mapped and explained • Wiring diagrams and manufacturer cards you can check in the field • Technical glossary and Learn paths • Intervention history OFFLINE-FIRST All content works without a connection: perfect for plants, boiler rooms, professional kitchens and technical spaces with no wifi. FREE AND PRO The free version includes the core domains of each vertical. IndexOS Pro unlocks the full library across all four apps with a single subscription: • Monthly: €4.90/month • Annual: €49.00/year The subscription renews automatically unless cancelled at least 24 hours before the end of the current period; you can manage or cancel it anytime in your App Store settings. Privacy Policy: https://www.indexos.it/privacy-policy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Electrical Schematics
Read full descriptionHide full description
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
Verdict
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 every 4 weeks). 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
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 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
IndexOS ships an update every 4 weeks, Electrical Schematics every 4 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | IndexOS | Electrical Schematics |
|---|---|---|
| Price | Free — better | $2.99 |
| Update frequency | Every 4 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 155 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Alessandro Silvio Celotto | Angel Martinez |
In-app purchases
IndexOS
- IndexOS - Piano Mensile$3.991 Month
- IndexOS - Piano Annuale$44.991 Year
Electrical Schematics
- Save multiple schematics$4.99
Questions
Is IndexOS free?
Is Electrical Schematics free?
Do IndexOS or Electrical Schematics have ads?
Which is updated more often, IndexOS or Electrical Schematics?
Other comparisons















