# chamcharmbio(ccbio) vs vthera

The clearest difference is update cadence: vthera at every 3 weeks against chamcharmbio(ccbio)'s every 15 months. vthera also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

chamcharmbio(ccbio) ships an update every 15 months, vthera every 3 weeks. The most recent releases landed on June 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | chamcharmbio(ccbio) | vthera |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Size | 71 MB | 71 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chamcharm Bio Co.,Ltd](https://appshunter.io/developer/1802143005) | [KIJU KIM](https://appshunter.io/developer/1848018147) |

## What reviewers say

### chamcharmbio(ccbio)

[App page](https://appshunter.io/ios/app/chamcharmbioccbio/id6743309958)

**In-app purchases:** none


### vthera

[App page](https://appshunter.io/ios/app/vthera/id6754351952)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is chamcharmbio(ccbio) free?

chamcharmbio(ccbio) is free to download, with no in-app purchases.

### Is vthera free?

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

### Which is updated more often, chamcharmbio(ccbio) or vthera?

chamcharmbio(ccbio) ships an update every 15 months, and vthera every 3 weeks. Most recently, chamcharmbio(ccbio) was updated on June 20, 2026 and vthera on September 18, 2026.

---

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