# VoltLab vs QuantumNote

The clearest difference is in-app purchases: QuantumNote at none against VoltLab's 7. VoltLab's advantage is update cadence (every 5 days vs every 2 months) and ratings volume (367 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. VoltLab sells 7 in-app purchases, starting at $3.99 per month. QuantumNote asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for VoltLab against 5.0 for QuantumNote. That said, the two scores are not equally well evidenced: VoltLab has 367 ratings behind it against 1, so its average is the more settled of the two.

VoltLab ships an update every 5 days, QuantumNote every 2 months. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | VoltLab | QuantumNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (367 ratings)](https://appshunter.io/ios/app/voltlab-interactive-physics/id1461701360/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/quantumnote-quantum-computing/id6755923805/reviews) |
| Number of ratings | **367** | 1 |
| Positive reviews | 96.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 123 MB | 5 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Denis Gladkii](https://appshunter.io/developer/1851726380) | [Dinesh Malla](https://appshunter.io/developer/1838122307) |

## What reviewers say

### VoltLab

[App page](https://appshunter.io/ios/app/voltlab-interactive-physics/id1461701360)

This app simplifies learning electricity through interactive lessons and visual experiments. It offers offline access, quizzes with detailed solutions, and a reference guide for formulas. Ideal for students and educators seeking to understand electrical concepts.

**Highlights:** Interactive circuit building, Visual experiment results, Self-paced learning, Quizzes with step-by-step solutions, Offline access to lessons, Reference guide for formulas

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VoltLab Pro One Month | $3.99 | per month |
| VoltLab Pro One Year | $12.99 | per year |
| VoltLab Pro One Year | $6.99 | one-time |
| VoltLab Donat | $10.99 | one-time |
| VoltLab Pro | $39.99 | one-time |
| VoltLab Donate | $49.99 | one-time |
| Awesome VoltLab Donat | $99.99 | one-time |


### QuantumNote

[App page](https://appshunter.io/ios/app/quantumnote-quantum-computing/id6755923805)

Master quantum computing with a comprehensive learning companion covering fundamentals to advanced algorithms. Explore topics with clear explanations, code examples, and progress tracking. Designed for students, developers, and enthusiasts.

**Highlights:** Comprehensive curriculum with 66 topics, Beginner to advanced content, Code examples with Python/Qiskit, Formula reference with LaTeX, Progress tracking and practice mode, Offline access, Dark mode

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is VoltLab free?

VoltLab is free to download, with in-app purchases available.

### Is QuantumNote free?

QuantumNote is free to download, with no in-app purchases.

### Which has better reviews, VoltLab or QuantumNote?

VoltLab and QuantumNote are both rated 5.0 out of 5 on the App Store, from 367 and 1 ratings respectively.

### Do VoltLab or QuantumNote have ads?

Neither VoltLab nor QuantumNote shows ads.

### Which is updated more often, VoltLab or QuantumNote?

VoltLab ships an update every 5 days, and QuantumNote every 2 months. Most recently, VoltLab was updated on September 30, 2026 and QuantumNote on September 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*