# Physics Zen vs Proof Workshop

The clearest difference is update cadence: Physics Zen at every 2 days against Proof Workshop's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Physics Zen sells 6 in-app purchases, starting at $3.99 per 7 days and Proof Workshop sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Physics Zen ships an update every 2 days, Proof Workshop every 3 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | Physics Zen | Proof Workshop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/physics-zen-learn-and-practice/id6808595963/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 84 MB | 20 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Terekhin](https://appshunter.io/developer/888645337) | [INPHIL CHOI](https://appshunter.io/developer/6785766361) |

## What reviewers say

### Physics Zen

[App page](https://appshunter.io/ios/app/physics-zen-learn-and-practice/id6808595963)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physics Zen Weekly | $3.99 | per 7 days |
| Physics Zen Monthly | $6.99 | per month |
| Physics Zen Annual | $29.99 | per year |
| Physics Zen Lifetime | $24.99 | one-time |
| Physics Zen Lifetime | $29.99 | one-time |
| Physics Zen Lifetime | $39.99 | one-time |


### Proof Workshop

[App page](https://appshunter.io/ios/app/proof-workshop-math-major/id6816328454)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | one-time |


## Frequently asked questions

### Is Physics Zen free?

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

### Is Proof Workshop free?

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

### Do Physics Zen or Proof Workshop have ads?

Neither Physics Zen nor Proof Workshop shows ads.

### Which is updated more often, Physics Zen or Proof Workshop?

Physics Zen ships an update every 2 days, and Proof Workshop every 3 weeks. Most recently, Physics Zen was updated on October 29, 2026 and Proof Workshop on October 29, 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.*