ComponentFinder AI vs Electronics Reference
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ComponentFinder AI
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Offline electronic component browser for engineers, makers, and technicians. Search by model, keyword, parameter, or category; compare parts; save favorites; open datasheets; and use AI recognition, AI search, replacements, and history to find the right component faster. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Electronics Reference
A comprehensive reference tool for electronics enthusiasts and professionals. It provides interactive calculators, decoding guides, and detailed specifications for components, microcontrollers, and development boards. Features include camera-based identification and learning modules for common circuits.
- Interactive resistor color band calculator
- Capacitor marking decoder
- Semiconductor reference cards
- Integrated circuit library with pinouts
- Microcontroller specifications
- Development board pinout diagrams
- Component identification via camera OCR
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Electronics Component Reference is a beautifully crafted reference app for anyone who works with electronic components - from hobbyists building their first circuit to engineers at the bench. WHAT'S INSIDE • Resistors - Interactive color band calculator with common values and a visual guide to reading 4, 5, and 6-band resistors. • Capacitors - Decode ceramic capacitor markings, explore types, and look up values instantly. • Semiconductors - Reference cards for popular transistors and diodes, with a guide to PN junctions, BJTs, MOSFETs, and more. • Integrated Circuits - Browse a library of common ICs and the complete 74-series logic family, with pinouts and a family comparison guide (HC, LS, AC, LVC). • Microcontrollers - Specs and details for popular chips across ARM, AVR, and Xtensa architectures. • Boards - Pinout diagrams and GPIO references for Raspberry Pi 5 & 4, Pico, Arduino Uno & Nano, and ESP32. • Identify - Point your camera at a component and use OCR to identify ICs, capacitors, and microcontrollers from their markings. • Learn - Interactive common circuits, so you can always have the correct component values. Information on chip families, capacitor types and more., No ads, no account required, no internet needed.
Screenshots
Verdict
The clearest difference is update cadence: ComponentFinder AI at every 6 days against Electronics Reference's every 2 months. ComponentFinder AI also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.6). On price, ads and in-app purchases 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
Both are free to download. ComponentFinder AI sells 4 in-app purchases, starting at $2.99 per month and Electronics Reference sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
ComponentFinder AI ships an update every 6 days, Electronics Reference every 2 months. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.
| Parameter | ComponentFinder AI | Electronics Reference |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 6 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Beijing XingheBit Science & Technology Development Co., Ltd. | John Kennedy |
In-app purchases
ComponentFinder AI
- ComponentFinder Pro Monthly$2.991 Month
- ComponentFinder Pro Yearly$29.991 Year
- AI 加油包 50 次$3.99
- AI 加油包 120 次$7.99
Electronics Reference
- Buy me a coffee!$0.99



