Comparison

Keltron AIR vs AI Resistor Color Code Scanner

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

Head to head
About

Keltron AIR

Read full description

Using Keltron's registration, maintenance, and service features, you can monitor your Keltron devices as needed to ensure proper functionality.

About

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.

Highlights
  • Instant camera scanning
  • Save and organize scans
  • Interactive color band editing
  • Supports 3-6 band resistors
  • Offline functionality
  • User-friendly interface
Features
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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

Keltron AIR4 screens
AI Resistor Color Code Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: Keltron AIR at none against AI Resistor Color Code Scanner's 1. Keltron AIR also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.2). AI Resistor Color Code Scanner's advantage is update cadence (every 5 weeks vs every 3 months). On price and ads 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

Both are free to download. AI Resistor Color Code Scanner sells 1 one-off in-app purchase. Keltron AIR asks for nothing beyond the download.

UpkeepUpdate frequency

Keltron AIR ships an update every 3 months, AI Resistor Color Code Scanner every 5 weeks. The most recent releases landed on October 1, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 5 level
Keltron AIR versus AI Resistor Color Code Scanner: the parameters behind the verdict, then further details
ParameterKeltron AIRAI Resistor Color Code Scanner
PriceFreeFree
Rating—1.7 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.2
Further details — not scored
Size10 MB163 MB
Age rating4+4+
DeveloperKeltront IoT CorporationAndrew Ausonio

In-app purchases

None

Keltron AIR

No in-app purchases

1 purchases

AI Resistor Color Code Scanner

One-time1
  • Monthly Subscription$2.99

Questions

Is Keltron AIR free?
Keltron AIR is free to download, with no in-app purchases.
Is AI Resistor Color Code Scanner free?
AI Resistor Color Code Scanner is free to download, with in-app purchases available.
Do Keltron AIR or AI Resistor Color Code Scanner have ads?
Neither Keltron AIR nor AI Resistor Color Code Scanner shows ads.
Which is updated more often, Keltron AIR or AI Resistor Color Code Scanner?
Keltron AIR ships an update every 3 months, and AI Resistor Color Code Scanner every 5 weeks. Most recently, Keltron AIR was updated on October 1, 2026 and AI Resistor Color Code Scanner on October 24, 2026.

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