Resistor Code Calculators vs Resistor AI Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Resistor Code Calculators
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The one handy app for electrical engineering calculation. This app contains not only resistor color code and capacitor code calculators but also electrical filter, attenuator, rectifier, LC oscillator, RF, PCB trace, cable, Ohm's Law, skin effect, Lumen Candela conversion, Delta Y Conversion, and many other handy calculators.
Resistor AI Calculator
Point your phone's camera at a resistor to instantly identify its value. Currently supports 4-band carbon film resistors with a 5% tolerance.
- Real-time resistor detection
- Automatic resistance calculation
- Supports 4-band carbon film resistors
- 5% margin of error detection
- Uses smartphone camera
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Hold your smartphone over the resistor, and detects the object in real time and calculates the resistance value. Currently, only carbon film (brown) resistors with 4 lines and a margin of error of ± 5% (gold) are supported.
Screenshots
Verdict
The clearest difference is update cadence: Resistor Code Calculators at every 7 months against Resistor AI Calculator's every 15 months. Resistor Code Calculators also leads on iOS requirement (13.4 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Resistor Code Calculators ships an update every 7 months, Resistor AI Calculator every 15 months. The most recent releases landed on September 17, 2026 and June 5, 2026 respectively.
| Parameter | Resistor Code Calculators | Resistor AI Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.6 (5 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 7 months — better | Every 15 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 — better | 15.0 |
| Further details — not scored | ||
| Size | 6 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | Kanta Kikubo | Daichi Takigawa |
In-app purchases
Resistor Code Calculators
No in-app purchases
Resistor AI Calculator
No in-app purchases
Questions
Is Resistor Code Calculators free?
Is Resistor AI Calculator free?
Do Resistor Code Calculators or Resistor AI Calculator have ads?
Which is updated more often, Resistor Code Calculators or Resistor AI Calculator?
Other comparisons
