Comparison

Resistor Code Calculators vs TimeCalcX

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

Head to head
About

Resistor Code Calculators

Features
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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.

About

TimeCalcX

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ใ“ใฎใ‚ขใƒ—ใƒชใฏใ€ใ€Œๅนดใ€ๆœˆใ€ๆ—ฅใ€ๆ™‚้–“ใ€ๅˆ†ใ€็ง’ใ€ใฎใ„ใšใ‹ใฎๅ…ฅๅŠ›ใซๅฏพใ—ใฆใ€ๅฏพๅฟœใ™ใ‚‹ใ€Œๅนดใ€ๆœˆใ€ๆ—ฅใ€ๆ™‚้–“ใ€ๅˆ†ใ€็ง’ใ€ใ‚’ไธ€ๆ‹ฌ่จˆ็ฎ—ใ—ใ€ไธ€ๆ‹ฌ่กจ็คบใ™ใ‚‹ๆ™‚้–“่จˆ็ฎ—ๅฐ‚็”จ้›ปๅ“ใงใ™ใ€‚ ้›ปๆฐ—ๅ›ž่ทฏใ‚„ๆฉŸๆขฐใ‚’ๆ‰ฑใฃใฆใ„ใ‚‹ใจใ€ใ€Œใ“ใฎ้ƒจๅ“ใฎๅฏฟๅ‘ฝใฏใ€ๅนณๅ‡60,000ๆ™‚้–“ใงใ™ใ€ใชใฉใจ่ชฌๆ˜Žใ•ใ‚Œใพใ™ใŒใ€ใ€Œ60,000ๆ™‚้–“ใฃใฆใ€ไฝ•ๆ—ฅ๏ผŸใ€ไฝ•ๅนด๏ผŸใ€ใจใชใ‚‹ใ“ใจใŒใ‚ใ‚Šใพใ™ใ€‚ใ“ใฎๆ™‚้–“่จˆ็ฎ—็”จ้›ปๅ“ใ‚’ไฝฟใ†ใจใ€ไธ€็™บใงใ€Œๅนดใ€ๆœˆใ€ๆ—ฅใ€ๆ™‚้–“ใ€ๅˆ†ใ€็ง’ใ€ใซๅค‰ๆ›่กจ็คบใ•ใ‚Œใ‚‹ใฎใงไพฟๅˆฉใงใ™ใ€‚๏ผˆ60,000ๆ™‚้–“ใฏใ€2500ๆ—ฅใ€6.85ๅนดใงใ™๏ผ‰ ๅ…ฅๅŠ›ใ—ใŸ๏ผ’ใคใฎๆ—ฅๆ™‚ใฎๅทฎๅˆ†ใ‚’่จˆ็ฎ—ใ™ใ‚‹ๆฉŸ่ƒฝใ‚’่ฟฝๅŠ ใ—ใพใ—ใŸใ€‚ๆฅญๅ‹™ๆ™‚้–“ใฎ่จˆ็ฎ—ใฎ้š›ใชใฉใซๅˆฉ็”จใงใใพใ™ใ€‚ ่กจ็คบใ™ใ‚‹ใ€Œๅนดใ€ๆœˆใ€ๆ—ฅใ€ๆ™‚้–“ใ€ๅˆ†ใ€็ง’ใ€ใฏใ€ๅฐๆ•ฐ็‚นไปฅไธ‹๏ผ’ๆกใพใงใงใ™ใ€‚ ๅ…ฅๅŠ›ใ™ใ‚‹ใ€Œๅนดใ€ๆœˆใ€ๆ—ฅใ€ๆ™‚้–“ใ€ๅˆ†ใ€็ง’ใ€ใฏใ€ใ“ใฎ้™ใ‚Šใงใฏใ‚ใ‚Šใพใ›ใ‚“ใ€‚ ๅฐšใ€่ตทๅ‹•ๆ™‚็›ดๅพŒใฏใ€1ๅนดใซๅฏพใ™ใ‚‹ใ€Œๅนดใ€ๆœˆใ€ๆ—ฅใ€ๆ™‚้–“ใ€ๅˆ†ใ€็ง’ใ€ใŒ่กจ็คบใ•ใ‚Œใฆใ„ใพใ™ใ€‚ ใพใŸใ€1ใƒถๆœˆใฏ30.41666667ๆ—ฅใ€1ๅนดใฏ365ๆ—ฅใจใ—ใฆ่จˆ็ฎ—ใ—ใฆใŠใ‚Šใ€ใ†ใ‚‹ใ†ๅนดใฏๅŠ ๅ‘ณใ—ใฆใ„ใพใ›ใ‚“ใฎใงใ€ใใฎ็‚นใฏใ”่€ƒๆ…ฎใใ ใ•ใ„ใ€‚ ่ชคใฃใฆใ€ใ‚ฝใƒ•ใƒˆใ‚ญใƒผใƒœใƒผใƒ‰ ใ‚’็ซ‹ใกไธŠใ’ใฆใ—ใพใฃใŸๅ ดๅˆใฏใ€ใ€ŒEnterใ‚ญใƒผใ€ๅˆใฏใ€ใ€Œๆ”น่กŒใ‚ญใƒผใ€ใ‚’ๆŠผใ—ใฆใใ ใ•ใ„ใ€‚

Screenshots

Resistor Code Calculators4 screens
TimeCalcX4 screens

Verdict

The call

The clearest difference is iOS requirement: Resistor Code Calculators at 13.4 against TimeCalcX's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Resistor Code Calculators ships an update every 7 months, TimeCalcX every 6 months. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

Scorecard1 real difference ยท 5 level
Resistor Code Calculators versus TimeCalcX: the parameters behind the verdict, then further details
ParameterResistor Code CalculatorsTimeCalcX
PriceFreeFree
Update frequencyEvery 7 monthsEvery 6 months โ€” better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS13.4 โ€” better15.0
Further details โ€” not scored
Size6 MB6 MB
Age rating4+17+
DeveloperKanta Kikubokoji kamogawa

In-app purchases

None

Resistor Code Calculators

No in-app purchases

None

TimeCalcX

No in-app purchases

Questions

Is Resistor Code Calculators free?
Resistor Code Calculators is free to download, with no in-app purchases.
Is TimeCalcX free?
TimeCalcX is free to download, with no in-app purchases.
Do Resistor Code Calculators or TimeCalcX have ads?
Both Resistor Code Calculators and TimeCalcX show ads.
Which is updated more often, Resistor Code Calculators or TimeCalcX?
Resistor Code Calculators ships an update every 7 months, and TimeCalcX every 6 months. Most recently, Resistor Code Calculators was updated on October 20, 2026 and TimeCalcX on October 27, 2026.

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