# Open vs Facial Dynamics

The clearest difference is in-app purchases: Open at none against Facial Dynamics's 1. Open also leads on update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Facial Dynamics sells 1 in-app purchase, starting at $14.99 per month. Open asks for nothing beyond the download.

Open ships an update every 2 weeks, Facial Dynamics every 6 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Open | Facial Dynamics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Size | 30 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Elaros](https://appshunter.io/developer/1544802505) | [Life Analytics Ltd](https://appshunter.io/developer/1854173419) |

## What reviewers say

### Open

[App page](https://appshunter.io/ios/app/open-oh/id6502186049)

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

**In-app purchases:** none


### Facial Dynamics

[App page](https://appshunter.io/ios/app/facial-dynamics/id6755486561)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $14.99 | per month |


## Frequently asked questions

### Is Open free?

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

### Is Facial Dynamics free?

Facial Dynamics is free to download, with in-app purchases available.

### Do Open or Facial Dynamics have ads?

Neither Open nor Facial Dynamics shows ads.

### Which is updated more often, Open or Facial Dynamics?

Open ships an update every 2 weeks, and Facial Dynamics every 6 weeks. Most recently, Open was updated on October 27, 2026 and Facial Dynamics on October 25, 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.*