Wire Color Codes vs PLC Ninja
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wire Color Codes
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OHMLIFY - THE ELECTRICIAN'S BIBLE The most comprehensive wire color code reference app for professional electricians, electrical engineers, and apprentices. Works 100% offline - no internet required. WIRE COLOR CODES FOR 22 COUNTRIES Instantly look up wire colors for any standard: • IEC 60446 (International) • NEC / NFPA 70 (United States) • BS 7671 (United Kingdom) • DIN VDE 0100 (Germany) • NF C 15-100 (France) • CEI 64-8 (Italy) • AS/NZS 3000 (Australia) • And 15 more countries... Know exactly which wire is Live, Neutral, and Earth for single-phase and three-phase systems. 18 PROFESSIONAL WIRING DIAGRAMS Clear, zoomable diagrams for: • Ring Main Circuit (UK) • Radial Socket Circuit • Two-Way & Intermediate Switching • Star-Delta Motor Starter • RCD/RCBO Connection • Consumer Unit Layout • MCB & SPD Wiring • Three-Phase Supply • And more... 4 ELECTRICAL CALCULATORS (Pro) • Voltage Drop Calculator - Check NEC 3% compliance • Wire Size Calculator - Find correct AWG/mm² • Ohm's Law Calculator - V, I, R, P calculations • Power Calculator - Single & three-phase 36 ELECTRICAL SYMBOLS IEC 60617 standard symbols for: • Switches (single pole, double pole, two-way, dimmer) • Outlets & Sockets • Lighting fixtures • Protection devices (MCB, RCD, RCBO, SPD) • Motors & Wiring 100% OFFLINE Downloaded once, works forever. No internet needed. Perfect for: • Basements with no signal • Rural job sites • Underground work • International travel 16 LANGUAGES SUPPORTED Interface fully translated in English, German, French, Spanish, Italian, Polish, Dutch, Portuguese, Swedish, Norwegian, Danish, Finnish, Czech, Romanian, Greek, and Hungarian. OHMLIFY PRO Unlock all features: • All 16 country standards • Advanced calculators • All wiring diagrams • All electrical symbols • No advertisements Built by developers who listen to electricians. We update standards regularly and add features based on your feedback. Download now and have professional electrical reference at your fingertips - anytime, anywhere. --- Privacy Policy: https://app.cloudhonest.com/Ohmlify/privacy.html Terms of Use: https://app.cloudhonest.com/Ohmlify/terms.html Questions? support@cloudhonest.com
PLC Ninja
Access live PLC data directly from your mobile device. Connect via Ethernet, Wi-Fi, or serial adapter to monitor inputs, outputs, timers, counters, and analog values in real-time while in the field.
- Real-time PLC data monitoring
- Ethernet, Wi-Fi, and serial connection support
- View inputs and outputs
- Monitor timers and counters
- Access analog values
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PLC Ninja puts live PLC data on your phone. Connect over Ethernet, Wi-Fi, or a serial adapter, and see every input, output, timer, counter and analog value updating in real time — standing at the panel, not walking back to the office. PLC Ninja is an independent product and is not affiliated with, endorsed by, or sponsored by Rockwell Automation, Siemens AG, AutomationDirect, or Mitsubishi Electric. Allen-Bradley, ControlLogix, CompactLogix, GuardLogix, MicroLogix, SLC 500, RSLogix and Studio 5000 are trademarks of Rockwell Automation. SIMATIC, S7 and LOGO! are trademarks of Siemens AG. DirectLOGIC is a trademark of AutomationDirect. MELSEC and FX are trademarks of Mitsubishi Electric. All product names are used only to identify the equipment this app can connect to. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://plcninja-support.github.io/support/privacy.html
Screenshots
Verdict
Wire Color Codes and PLC Ninja are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Wire Color Codes sells 3 in-app purchases, starting at $2.99 per month and PLC Ninja sells 6 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Wire Color Codes ships an update every 4 weeks, PLC Ninja every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Wire Color Codes | PLC Ninja |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 4 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 11 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | CLOUD HONEST LLC | SHAOHUA YI |
In-app purchases
Wire Color Codes
- Pro Monthly$2.991 Month
- Pro Annual$19.991 Year
- Ohmlify Pro$39.99
PLC Ninja
- Standard$3.991 Month
- Professional$8.991 Month
- Ultimate$14.991 Month
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- Standard$39.991 Year
- Professional$89.991 Year
- Ultimate$149.991 Year









