Complex Number Cruncher vs Resistor Calc+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Complex Number Cruncher
Perform calculations with complex numbers. Input real and imaginary parts or modulus and argument to find sums, differences, products, or quotients.
- Complex number calculations
- Sum, difference, product, quotient
- Real and imaginary input
- Modulus and argument input
- Automatic result calculation
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Complex Number Cruncher calculates the sum, difference, product or quotient of two complex numbers. Enter the real and the imaginary, or the modulus and the argument value for each complex number, select +, -, × or ÷ and the result will be calculated automatically.
Resistor Calc+
This utility helps you determine the resistance value of resistors by interpreting their colored bands. It supports 3, 4, 5, and 6 band resistors, visually displaying your selections and the calculated resistance and tolerance.
- Calculates resistance for 3-6 band resistors
- Visual band color selection
- Displays resistance and tolerance
- Aids electronics configuration
- User-friendly interface
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Resistor color code calculator helps determine the resistance value indicated by the colored band. You can use it for 3, 4, 5 and 6 band resistors. You can click the band in the color table to select a color for that band. The resistor visually shows your band color selection and displays the corresponding resistance value. It will help you configure your electronics. How to use the resistance color code calculator - Please select the number of band colors first. - Select the color of the band by clicking on the corresponding box in the color chart. - The corresponding resistance value and the tolerance of the resistance are displayed.
Screenshots
Verdict
The clearest difference is rating: Resistor Calc+ at 5.0 against Complex Number Cruncher's 4.3. Resistor Calc+ also leads on review sentiment (67% vs 50%). Complex Number Cruncher's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence 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. Neither carries in-app purchases, so what you see is what you pay.
Resistor Calc+ holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 50% of Complex Number Cruncher's written reviews are positive against 67% of Resistor Calc+'s.
Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 7, 2026.
| Parameter | Complex Number Cruncher | Resistor Calc+ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (4 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 50.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 4 | 5 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.3 — better | 13.0 |
| Further details — not scored | ||
| Size | 16 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Neil Woodcock | EONSOFT |
Customer experience
Complex Number Cruncher
Resistor Calc+
In-app purchases
Complex Number Cruncher
No in-app purchases
Resistor Calc+
No in-app purchases
Questions
Is Complex Number Cruncher free?
Is Resistor Calc+ free?
Which has better reviews, Complex Number Cruncher or Resistor Calc+?
Do Complex Number Cruncher or Resistor Calc+ have ads?
Which is updated more often, Complex Number Cruncher or Resistor Calc+?
Other comparisons
