Vernier Caliper Simulator 2 vs Circuit Simulator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vernier Caliper Simulator 2
Practice reading a vernier caliper with this free and easy application. Slide your finger to grip objects, enter your measurement guess, and check your accuracy. This version includes leaderboards and a higher precision scale option.
- Vernier caliper simulation
- Interactive object gripping
- Answer checking
- Leaderboards
- 0.005 cm precision scale option
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Practice reading a vernier caliper using this free and easy app. Ever wanted to practice reading a vernier caliper but didn’t have a set? No worries, now you can practice on your iPhone using this free and easy app. Just slide your finger across to grip the red object and take your reading. Enter your guess and press “Check Answer” to see if you got it right. This new version of the app adds leaderboards and the option to use a 0.005 cm precision scale. Keep practicing and you’ll be able to read the vernier caliper like a pro!
Circuit Simulator
Design and simulate electronic and digital circuits in real-time. Visualize voltage and current flow, and analyze signals with oscilloscopes and multimeters. Offers a user-friendly experience for circuit design and digital electronic analysis.
- Real-time circuit simulation
- Voltage and current analysis
- Multichannel oscilloscope
- Digital circuit simulation
- User-friendly interface
- Circuit design tools
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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 rating: Circuit Simulator at 4.7 against Vernier Caliper Simulator 2's 2.5. Circuit Simulator also leads on review sentiment (77% vs 50%) and update cadence (every 2 months vs every 10 months). Vernier Caliper Simulator 2's advantage is in-app purchases (none vs 8) and iOS requirement (10.2 vs 15.3). On price, ads and device support 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. Vernier Caliper Simulator 2 asks for nothing beyond the download.
Circuit Simulator holds the better App Store score, 4.7 against 2.5. That said, the two scores are not equally well evidenced: Circuit Simulator has 95 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of Vernier Caliper Simulator 2's written reviews are positive against 77% of Circuit Simulator's.
Vernier Caliper Simulator 2 ships an update every 10 months, Circuit Simulator every 2 months. The most recent releases landed on November 2, 2026 and November 12, 2026 respectively.
| Parameter | Vernier Caliper Simulator 2 | Circuit Simulator |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) | 4.7 (95 ratings) — better |
| Positive reviews | 50.0% of reviews | 76.9% of reviews — better |
| Number of ratings | 2 | 95 — better |
| Update frequency | Every 10 months | Every 2 months — 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 | 10.2 — better | 15.3 |
| Further details — not scored | ||
| Size | 18 MB | 105 MB |
| Age rating | 4+ | 4+ |
| Developer | Jiun Wei Chia | Sindhu Gopi |
Customer experience
Vernier Caliper Simulator 2
Circuit Simulator
In-app purchases
Vernier Caliper Simulator 2
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 Vernier Caliper Simulator 2 free?
Is Circuit Simulator free?
Which has better reviews, Vernier Caliper Simulator 2 or Circuit Simulator?
Do Vernier Caliper Simulator 2 or Circuit Simulator have ads?
Which is updated more often, Vernier Caliper Simulator 2 or Circuit Simulator?
Other comparisons
