# C2O vs STK 2026

The clearest difference is ads: C2O at none against STK 2026's shown. C2O also leads on iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | C2O | STK 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | — |
| Monetization | — | Free |
| Size | 52 MB | 27 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [EZEX Corporation](https://appshunter.io/developer/979450412) | [Exporum Inc.](https://appshunter.io/developer/373774050) |

## What reviewers say

### C2O

[App page](https://appshunter.io/ios/app/c2o/id6449765899)

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

**In-app purchases:** none


### STK 2026

[App page](https://appshunter.io/ios/app/stk-2026/id6763521788)

Enhance your experience at the Smart Tech Korea 2026 exhibition. Discover exhibitors, plan your schedule, and network efficiently with other attendees and businesses.

**Highlights:** Exhibition overview and booth map, Exhibitor and speaker information, Personalized schedule planning, QR code for business information exchange, Real-time event announcements

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

**In-app purchases:** none


## Frequently asked questions

### Is C2O free?

C2O is free to download, with no in-app purchases.

### Is STK 2026 free?

STK 2026 is free to download, with no in-app purchases.

### Do C2O or STK 2026 have ads?

STK 2026 shows ads; C2O does not.

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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.*