Resistor vs AI Resistor Color Code Scanner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Resistor
Quickly calculate resistor values from color bands or SMD codes, and vice versa. This tool is ideal for electronics enthusiasts, students, and DIYers working with 4, 5, or 6-band resistors and various SMD codes. It functions offline and requires no registration.
- Calculate resistor values from color bands
- Convert resistor values to color bands
- Supports 4, 5, and 6-band resistors
- Handles SMD codes (EIA-3, EIA-4, EIA-96)
- Works offline
- No registration required
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Resistor Converter – Fast & Easy Calculate resistor values, color bands, and SMD codes in seconds – perfect for electronics hobbyists, students, and professionals. Supports 4-, 5-, and 6-band resistors as well as SMD codes (EIA-3, EIA-4, EIA-96). - Tap color bands → read the value - Enter resistor → get matching color bands & SMD codes - Works offline, no registration required - Perfect for electronics, study & DIY projects Simple, fast, and free – the perfect companion for every electronics enthusiast!
AI Resistor Color Code Scanner
Instantly identify and calculate resistor values using your iPhone camera. This tool eliminates the need for manual color band reading and charts, offering quick results for engineers, hobbyists, and students. Save your scans and organize them into projects for efficient workflow.
- Instant camera scanning
- Save and organize scans
- Interactive color band editing
- Supports 3-6 band resistors
- Offline functionality
- User-friendly interface
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Tired of manually reading resistor color bands? Instantly scan, identify, and calculate resistor values with your iPhone camera — no more squinting or color code charts. Key Features - Instant Scanning: Point your camera and get resistor values in seconds. - Save & Organize: Save scans and group them into projects. - Interactive Editing: Verify and adjust color bands directly on screen. - Accurate Calculations: Supports 3, 4, 5, and 6-band resistors. - Offline Support: Works without internet — perfect for workshops and the field. - Easy to Use: Clean interface for beginners and professionals alike. Built for faster bench work, easier troubleshooting, and fewer resistor-reading mistakes. Join thousands of engineers, hobbyists, and students making their projects easier. Download today!
Screenshots
Verdict
The clearest difference is rating: Resistor at 4.9 against AI Resistor Color Code Scanner's 3.0. Resistor also leads on in-app purchases (none vs 1) and ratings volume (17 vs 1). AI Resistor Color Code Scanner's advantage is update cadence (every 5 weeks vs every 9 months) and iOS requirement (17.2 vs 26.0). On price, ads and device support 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. AI Resistor Color Code Scanner sells 1 one-off in-app purchase. Resistor asks for nothing beyond the download.
Resistor holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Resistor has 17 ratings behind it against 1, so its average is the more settled of the two.
Resistor ships an update every 9 months, AI Resistor Color Code Scanner every 5 weeks. The most recent releases landed on September 27, 2026 and October 21, 2026 respectively.
| Parameter | Resistor | AI Resistor Color Code Scanner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (17 ratings) — better | 3.0 (1 ratings) |
| Number of ratings | 17 — better | 1 |
| Update frequency | Every 9 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.0 | 17.2 — better |
| Further details — not scored | ||
| Size | 8 MB | 163 MB |
| Age rating | 4+ | 4+ |
| Developer | Gerhard Lentschik | Andrew Ausonio |
In-app purchases
Resistor
No in-app purchases
AI Resistor Color Code Scanner
- Monthly Subscription$2.99
Questions
Is Resistor free?
Is AI Resistor Color Code Scanner free?
Which has better reviews, Resistor or AI Resistor Color Code Scanner?
Do Resistor or AI Resistor Color Code Scanner have ads?
Which is updated more often, Resistor or AI Resistor Color Code Scanner?
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