# OculAR SIM vs AI Writing & Study Assistant

The clearest difference is in-app purchases: OculAR SIM at none against AI Writing & Study Assistant's 3. OculAR SIM also leads on iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. AI Writing & Study Assistant sells 3 in-app purchases, starting at $4.99 per 7 days. OculAR SIM asks for nothing beyond the download.

## The numbers

| Metric | OculAR SIM | AI Writing & Study Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 139 MB | 14 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 12+ | 4+ |
| Developer | [Deakin University](https://appshunter.io/developer/511210318) | [Zain UL Abideen](https://appshunter.io/developer/1838321736) |

## What reviewers say

### OculAR SIM

[App page](https://appshunter.io/ios/app/ocular-sim/id1463713279)

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

**In-app purchases:** none


### AI Writing & Study Assistant

[App page](https://appshunter.io/ios/app/ai-writing-and-study-assistant/id6755840893)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is OculAR SIM free?

OculAR SIM is free to download, with no in-app purchases.

### Is AI Writing & Study Assistant free?

AI Writing & Study Assistant is free to download, with in-app purchases available.

### Do OculAR SIM or AI Writing & Study Assistant have ads?

Neither OculAR SIM nor AI Writing & Study Assistant shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*