# VoltLab vs Voltages S

The clearest difference is price: VoltLab at Free against Voltages S's $0.99. VoltLab also leads on update cadence (every 6 days vs every 7 months) and iOS requirement (15.0 vs 17.6). Voltages S's advantage is in-app purchases (none vs 7). On ads and device support there is nothing between them.

VoltLab is free to download; Voltages S costs $0.99 up front. VoltLab sells 7 in-app purchases, starting at $3.99 per month. Voltages S asks for nothing beyond the download.

VoltLab ships an update every 6 days, Voltages S every 7 months. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | VoltLab | Voltages S |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (381 ratings)](https://appshunter.io/ios/app/voltlab-interactive-physics/id1461701360/reviews)** | — |
| Number of ratings | **381** | — |
| Positive reviews | 96.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 125 MB | 2 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Denis Gladkii](https://appshunter.io/developer/1851726380) | [Frank Kowalewski](https://appshunter.io/developer/291362867) |

## 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 |


### Voltages S

[App page](https://appshunter.io/ios/app/voltages-s/id6739780795)

**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 Voltages S free?

Voltages S costs $0.99, with no in-app purchases.

### Do VoltLab or Voltages S have ads?

Neither VoltLab nor Voltages S shows ads.

### Which is updated more often, VoltLab or Voltages S?

VoltLab ships an update every 6 days, and Voltages S every 7 months. Most recently, VoltLab was updated on October 12, 2026 and Voltages S on October 4, 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.*