# Theia OLED Viewer vs EMPTYSET NETWORK

The clearest difference is in-app purchases: Theia OLED Viewer at none against EMPTYSET NETWORK's 4. Theia OLED Viewer also leads on update cadence (every 3 days vs every 4 weeks). EMPTYSET NETWORK's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.6). On price and ads there is nothing between them.

Both are free to download. EMPTYSET NETWORK sells 4 in-app purchases, starting at $3.99 per month. Theia OLED Viewer asks for nothing beyond the download.

Theia OLED Viewer ships an update every 3 days, EMPTYSET NETWORK every 4 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Theia OLED Viewer | EMPTYSET NETWORK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Size | 10 MB | 48 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Foley](https://appshunter.io/developer/1853473025) | [BACCUS (SINGAPORE) PTE. LTD.](https://appshunter.io/developer/1836109845) |

## What reviewers say

### Theia OLED Viewer

[App page](https://appshunter.io/ios/app/theia-oled-viewer/id6755984567)

**Features:** macOS Compatibility

**In-app purchases:** none


### EMPTYSET NETWORK

[App page](https://appshunter.io/ios/app/emptyset-network/id6757412943)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Monthly Service | $3.99 | per month |
| Standard Quarterly Service | $12.99 | per 3 months |
| Standard Annual Service | $49.99 | per year |
| Trial Weekly Card | $0.99 | one-time |


## Frequently asked questions

### Is Theia OLED Viewer free?

Theia OLED Viewer is free to download, with no in-app purchases.

### Is EMPTYSET NETWORK free?

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

### Do Theia OLED Viewer or EMPTYSET NETWORK have ads?

Neither Theia OLED Viewer nor EMPTYSET NETWORK shows ads.

### Which is updated more often, Theia OLED Viewer or EMPTYSET NETWORK?

Theia OLED Viewer ships an update every 3 days, and EMPTYSET NETWORK every 4 weeks. Most recently, Theia OLED Viewer was updated on October 14, 2026 and EMPTYSET NETWORK on October 7, 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.*