# Physics Formulas vs PrepMDCAT

The clearest difference is ads: Physics Formulas at none against PrepMDCAT's shown. PrepMDCAT's advantage is update cadence (every 11 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Physics Formulas sells 2 in-app purchases, starting at $2.99 per 7 days and PrepMDCAT sells 3 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Physics Formulas ships an update every 2 months, PrepMDCAT every 11 days. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Physics Formulas | PrepMDCAT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 11 days** |
| Size | 38 MB | 55 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobin Akhter](https://appshunter.io/developer/1812505286) | [Ibrahim Akram](https://appshunter.io/developer/1887596409) |

## What reviewers say

### Physics Formulas

[App page](https://appshunter.io/ios/app/physics-formulas-physref/id6757826240)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $2.99 | per 7 days |
| Lifetime Access | $49.99 | one-time |


### PrepMDCAT

[App page](https://appshunter.io/ios/app/prepmdcat/id6761064418)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $8.99 | per month |
| Quarterly Premium | $22.99 | per 3 months |
| Annual Premium | $64.99 | per year |


## Frequently asked questions

### Is Physics Formulas free?

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

### Is PrepMDCAT free?

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

### Do Physics Formulas or PrepMDCAT have ads?

PrepMDCAT shows ads; Physics Formulas does not.

### Which is updated more often, Physics Formulas or PrepMDCAT?

Physics Formulas ships an update every 2 months, and PrepMDCAT every 11 days. Most recently, Physics Formulas was updated on September 11, 2026 and PrepMDCAT on September 18, 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.*