Binary Calc vs Circuit Simulator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Binary Calc
Perform arithmetic operations and convert numbers between bases 2 and 36. Supports signed/unsigned bit negative numbers with two's complement and fractions up to 8 decimal places.
- Arithmetic operations (base 2-36)
- Number base conversion
- Input in different bases
- Two's complement for negative numbers
- Fraction support (up to 8 decimal places)
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A calculator that supports arithmetic operations for numbers from base 2 to 36. Has functionality for converting numbers between different bases, and input of numbers in different bases. Supports signed/unsigned bit negative numbers using two's complement, and fractions in bases up to 8 decimal places.
Circuit Simulator
Design and simulate electronic and digital circuits in real-time. Visualize voltage and current flow, and analyze circuit behavior with tools like oscilloscopes and multimeters. Offers a user-friendly experience for circuit design and digital electronic analysis.
- Real-time electronic circuit simulation
- Digital circuit simulation
- Voltage and current analysis
- Multichannel oscilloscope
- Multimeter tools
- Circuit design and tuning
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VoltSim is a realtime electronic circuit simulator like Multisim, SPICE, LTspice, Altium or Proto for circuit design with a better user experience. VoltSim is a complete circuit app in which you can design circuits with various components and simulate an electric or digital circuit. During simulation you can check voltage, current and many other variables. Check signals on multichannel oscilloscope or multimeter and tune your circuit in real time! You can also use VoltSim as logic circuit simulator and perform digital electronic analysis! This app will help you visualize how the voltage varies across the circuit and how current flows through it. T&C: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Binary Calc at none against Circuit Simulator's 8. Binary Calc also leads on iOS requirement (13.0 vs 15.3). Circuit Simulator's advantage is ratings volume (87 vs 6). On price, rating, review sentiment and update cadence 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. Circuit Simulator sells 8 in-app purchases, starting at $0.99 per month. Binary Calc asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for Binary Calc against 4.7 for Circuit Simulator. That said, the two scores are not equally well evidenced: Circuit Simulator has 87 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 82% of Binary Calc's written reviews are positive against 77% of Circuit Simulator's.
Binary Calc ships an update every 2 months, Circuit Simulator every 6 weeks. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.
| Parameter | Binary Calc | Circuit Simulator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (6 ratings) | 4.7 (87 ratings) |
| Positive reviews | 82.4% of reviews — better | 76.9% of reviews |
| Number of ratings | 6 | 87 — better |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.3 |
| Further details — not scored | ||
| Size | 1 MB | 103 MB |
| Age rating | 4+ | 4+ |
| Developer | Buddy Sun | Sindhu Gopi |
Customer experience
Binary Calc
Circuit Simulator
In-app purchases
Binary Calc
No in-app purchases
Circuit Simulator
- Extensions Subscription$0.991 Month
- Sensors Extension$0.99
- Custom Chips Extension$1.99
- Instruments extension$2.99
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- Analog Extension$3.99
- Misc Extension$3.99
- Digital Extension$3.99
- Extension Pack$12.99
Questions
Is Binary Calc free?
Is Circuit Simulator free?
Which has better reviews, Binary Calc or Circuit Simulator?
Do Binary Calc or Circuit Simulator have ads?
Which is updated more often, Binary Calc or Circuit Simulator?
Other comparisons
