Voltage Divider vs LED Calc.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Voltage Divider
This engineering utility calculates unknown values in a voltage divider circuit. It can solve for voltages or resistor values, displaying ideal and actual resistor options. It also shows current, power, and voltage tolerance.
- Solves for Vin, Vout, R1, or R2
- Resistor picker with actual values
- Displays ideal resistor value
- Calculates voltage tolerance
- Shows current and power consumption
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A handy engineering utility that solves for voltages or resistor values in a common voltage divider circuit. Enter three terms (out of Vin, Vout, R1 or R2) and this app will solve for the fourth term automatically. The resistor picker will only let you pick from actual resistor values that exist. It's a great time saving tool for quickly selecting resistor values in a switching power supply design or any other circuit that incorporates a voltage divider. When solving for a voltage, select two resistor values and one of the voltages. The remaining voltage will be displayed automatically. The max and min possible voltages will also be displayed based on the resistor tolerances. The current and power through the divider will be displayed at the bottom of the screen. When solving for a resistor value, select two voltages and one resistor value. The remaining resistor value will be displayed in yellow. This is an ideal value. Use the resistor picker to select an actual resistor value close to that ideal value. You can then tell the app to solve for Vin or Vout to see if the resulting voltage meets your design requirements.
LED Calc.
This application assists in designing electronic circuits by calculating the necessary resistor values for LEDs. It simplifies the process of determining the correct components for your LED projects.
- Resistor value calculation
- LED circuit design assistance
- Component value determination
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This app calculates the value of resistor, when designing a circuit using LED.
Screenshots
Verdict
The clearest difference is price: LED Calc. at Free against Voltage Divider's $1.99. LED Calc. also leads on update cadence (every 10 months vs every 48 months). Voltage Divider's advantage is rating (2.7 vs 1.0) and ads (none vs shown). On review sentiment, in-app purchases, 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
LED Calc. is free to download; Voltage Divider costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Voltage Divider holds the better App Store score, 2.7 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 56% of Voltage Divider's written reviews are positive against 50% of LED Calc.'s.
Voltage Divider ships an update every 48 months, LED Calc. every 10 months. The most recent releases landed on June 23, 2026 and June 5, 2026 respectively.
| Parameter | Voltage Divider | LED Calc. |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 2.7 (3 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 55.6% of reviews — better | 50.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 48 months | Every 10 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 1 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Ditty Labs, LLC | Jibiki Works |
Customer experience
Voltage Divider
LED Calc.
In-app purchases
Voltage Divider
No in-app purchases
LED Calc.
No in-app purchases
Questions
Is Voltage Divider free?
Is LED Calc. free?
Which has better reviews, Voltage Divider or LED Calc.?
Do Voltage Divider or LED Calc. have ads?
Which is updated more often, Voltage Divider or LED Calc.?
Other comparisons
