Comparison

Resistor Calculator Lite vs RC Circuit

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

Head to head
About

Resistor Calculator Lite

Features
Read full description

Resistor Lite is a calculator for your electric resistors, for those moments when you have lots of resistors and you need to check the value and tolerance of them by their color, well now you don't need to check the value of every color and do the necessary math to know its value, you just need to use your Resistor app. Select the colors your resistor has, and it will instantly give you it's value and tolerance. Support the developer by getting the Resistor Calculator Pro app, with more features and better updates!

About

RC Circuit

Calculate RC charging and filter circuits, including time constants and cutoff frequencies. Find component values from these parameters or get voltage at specific times. Save and share data easily.

Highlights
  • Calculate time constant
  • Find component values
  • Get voltage at time t
  • Calculate cutoff frequency
  • Save data to CSV
  • Upload CSV via AirDrop/iCloud Drive
  • Multi-language support
Features
Read full description

This app is used to calculate the RC charging and RC filter circuit. It is suitable for hobbyist or electronic engineer. Features * Calculate time constant from R, C * Find component value R,C from time constant * Get voltage at time t in RC charging / discharging * Calculate cutoff frequency by R, C * Find component value R,C from cutoff frequency * Save data to CSV files * Upload CSV via AirDrop / iCloud Drive * Support English, Traditional Chinese, Simplified Chinese, German, French, Italian, Spanish, Portuguese, Japanese

Screenshots

Resistor Calculator Lite3 screens
RC Circuit4 screens

Verdict

The call

The clearest difference is in-app purchases: Resistor Calculator Lite at none against RC Circuit's 1. Resistor Calculator Lite also leads on update cadence (every 6 weeks vs every 6 months). On price, ads, device support and iOS requirement 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. RC Circuit sells 1 one-off in-app purchase. Resistor Calculator Lite asks for nothing beyond the download.

UpkeepUpdate frequency

Resistor Calculator Lite ships an update every 6 weeks, RC Circuit every 6 months. The most recent releases landed on October 29, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 7 level
Resistor Calculator Lite versus RC Circuit: the parameters behind the verdict, then further details
ParameterResistor Calculator LiteRC Circuit
PriceFreeFree
Rating—4.8 (5 ratings) — better
Number of ratings—5 — better
Update frequencyEvery 6 weeks — betterEvery 6 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better12.0
Further details — not scored
Size8 MB16 MB
Age rating4+4+
DeveloperMarck AppsSiu Yuen Ho

In-app purchases

None

Resistor Calculator Lite

No in-app purchases

1 purchases

RC Circuit

One-time1
  • Unlock Pro features$0.99

Questions

Is Resistor Calculator Lite free?
Resistor Calculator Lite is free to download, with no in-app purchases.
Is RC Circuit free?
RC Circuit is free to download, with in-app purchases available.
Do Resistor Calculator Lite or RC Circuit have ads?
Neither Resistor Calculator Lite nor RC Circuit shows ads.
Which is updated more often, Resistor Calculator Lite or RC Circuit?
Resistor Calculator Lite ships an update every 6 weeks, and RC Circuit every 6 months. Most recently, Resistor Calculator Lite was updated on October 29, 2026 and RC Circuit on November 4, 2026.

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