# Phyzix vs OhmQuest

The clearest difference is update cadence: Phyzix at every 2 days against OhmQuest's every 10 days. OhmQuest's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Phyzix sells 3 in-app purchases, starting at $1.99 per month and OhmQuest sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Phyzix ships an update every 2 days, OhmQuest every 10 days. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Phyzix | OhmQuest |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | — | Free |
| Size | 8 MB | 21 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Ngoc Tan](https://appshunter.io/developer/1760541639) | [建超 崔](https://appshunter.io/developer/1411749208) |

## What reviewers say

### Phyzix

[App page](https://appshunter.io/ios/app/phyzix-physics-lab/id6784482674)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spark | $1.99 | per month |
| Orbit | $14.99 | per year |
| Lifetime | $39.99 | one-time |


### OhmQuest

[App page](https://appshunter.io/ios/app/ohmquest-circuit-lab/id6797415284)

This app provides an interactive simulation lab for learning about electricity. It features progressive challenge levels and exam exercises to help users master concepts like current, voltage, and resistance. A free sandbox mode allows for experimentation with various components and instant parameter adjustments.

**Highlights:** Interactive circuit simulation, Progressive challenge levels, Exam exercises for practice, Free sandbox mode, Instant parameter adjustments, Local progress saving

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OhmQuest Full Access | $1.99 | one-time |


## Frequently asked questions

### Is Phyzix free?

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

### Is OhmQuest free?

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

### Do Phyzix or OhmQuest have ads?

Neither Phyzix nor OhmQuest shows ads.

### Which is updated more often, Phyzix or OhmQuest?

Phyzix ships an update every 2 days, and OhmQuest every 10 days. Most recently, Phyzix was updated on October 1, 2026 and OhmQuest on October 16, 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.*