# Smart XR vs Theta Sync

The clearest difference is in-app purchases: Smart XR at none against Theta Sync's 2. Smart XR also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Theta Sync sells 2 in-app purchases, starting at $14.99 per month. Smart XR asks for nothing beyond the download.

Smart XR ships an update every 3 days, Theta Sync every 2 weeks. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Smart XR | Theta Sync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 227 MB | 53 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Saran nantasuk](https://appshunter.io/developer/393781855) | [Abel Altaye](https://appshunter.io/developer/1873575365) |

## What reviewers say

### Smart XR

[App page](https://appshunter.io/ios/app/smart-xr/id1606872045)

**In-app purchases:** none


### Theta Sync

[App page](https://appshunter.io/ios/app/theta-sync/id6758551209)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $14.99 | per month |
| ThetaSync Yearly Premium | $99.99 | per year |


## Frequently asked questions

### Is Smart XR free?

Smart XR is free to download, with no in-app purchases.

### Is Theta Sync free?

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

### Do Smart XR or Theta Sync have ads?

Neither Smart XR nor Theta Sync shows ads.

### Which is updated more often, Smart XR or Theta Sync?

Smart XR ships an update every 3 days, and Theta Sync every 2 weeks. Most recently, Smart XR was updated on September 30, 2026 and Theta Sync on October 1, 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.*