Resistor Calculator Lite vs RC Circuit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Resistor Calculator Lite
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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!
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.
- 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
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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
Verdict
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
Both are free to download. RC Circuit sells 1 one-off in-app purchase. Resistor Calculator Lite asks for nothing beyond the download.
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.
| Parameter | Resistor Calculator Lite | RC Circuit |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (5 ratings) — better |
| Number of ratings | — | 5 — better |
| Update frequency | Every 6 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 8 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Marck Apps | Siu Yuen Ho |
In-app purchases
Resistor Calculator Lite
No in-app purchases
RC Circuit
- Unlock Pro features$0.99
Questions
Is Resistor Calculator Lite free?
Is RC Circuit free?
Do Resistor Calculator Lite or RC Circuit have ads?
Which is updated more often, Resistor Calculator Lite or RC Circuit?
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