# TFI AR vs Physics AI

The clearest difference is in-app purchases: TFI AR at none against Physics AI's 2. TFI AR also leads on iOS requirement (13.0 vs 15.0). Physics AI's advantage is update cadence (every 8 days vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Physics AI sells 2 in-app purchases, starting at $4.99 per 7 days. TFI AR asks for nothing beyond the download.

TFI AR ships an update every 9 months, Physics AI every 8 days. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | TFI AR | Physics AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 8 days** |
| Size | 108 MB | 60 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TechFactors Inc](https://appshunter.io/developer/1479369215) | [Tat Wah Chan](https://appshunter.io/developer/1832432621) |

## What reviewers say

### TFI AR

[App page](https://appshunter.io/ios/app/tfi-ar/id1631280557)

**Features:** macOS Compatibility

**In-app purchases:** none


### Physics AI

[App page](https://appshunter.io/ios/app/physics-ai-smart-solver/id6771639942)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physics AI - Smart Solver Weekly | $4.99 | per 7 days |
| Physics AI - Smart Solver Yearly | $29.99 | per year |


## Frequently asked questions

### Is TFI AR free?

TFI AR is free to download, with no in-app purchases.

### Is Physics AI free?

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

### Do TFI AR or Physics AI have ads?

Neither TFI AR nor Physics AI shows ads.

### Which is updated more often, TFI AR or Physics AI?

TFI AR ships an update every 9 months, and Physics AI every 8 days. Most recently, TFI AR was updated on October 8, 2026 and Physics AI on October 15, 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.*