# orionphysics vs TMUA Prep

orionphysics and TMUA Prep are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. orionphysics sells 2 in-app purchases, starting at $9.99 per month and TMUA Prep sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

orionphysics ships an update fortnightly, TMUA Prep every 3 weeks. The most recent releases landed on September 13, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | orionphysics | TMUA Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 12 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [小建 潘](https://appshunter.io/developer/1533572114) | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) |

## What reviewers say

### orionphysics

[App page](https://appshunter.io/ios/app/orionphysics/id6762356208)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $9.99 | per month |
| Yearly Premium | $59.99 | per year |


### TMUA Prep

[App page](https://appshunter.io/ios/app/tmua-prep/id6793039701)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $6.99 | per month |
| Yearly Premium | $19.99 | per year |
| Lifetime Access | $34.99 | one-time |


## Frequently asked questions

### Is orionphysics free?

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

### Is TMUA Prep free?

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

### Do orionphysics or TMUA Prep have ads?

Neither orionphysics nor TMUA Prep shows ads.

### Which is updated more often, orionphysics or TMUA Prep?

orionphysics ships an update fortnightly, and TMUA Prep every 3 weeks. Most recently, orionphysics was updated on September 13, 2026 and TMUA Prep on August 24, 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.*