# Sentai vs Facial Dynamics

The clearest difference is in-app purchases: Sentai at none against Facial Dynamics's 1. Sentai also leads on iOS requirement (16.0 vs 18.0). On price, update cadence, 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. Sentai asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sentai | Facial Dynamics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sentai/id1544442335/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | — |
| Size | 72 MB | 4 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Sentai](https://appshunter.io/developer/1544442547) | [Life Analytics Ltd](https://appshunter.io/developer/1854173419) |

## What reviewers say

### Sentai

[App page](https://appshunter.io/ios/app/sentai/id1544442335)

This voice-enabled digital companion offers AI-powered natural conversation to support individuals in their homes. It helps users adhere to daily routines and maintain independence, while providing carers with insights into activity and wellbeing.

**Highlights:** AI-powered natural conversation, Daily routine adherence, Maintain independence, Carer insights into activity, Shopping lists, Care notes, Issue notifications

**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 Sentai free?

Sentai 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 Sentai or Facial Dynamics have ads?

Neither Sentai nor Facial Dynamics shows ads.

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

Sentai ships an update every 6 weeks, and Facial Dynamics every 6 weeks. Most recently, Sentai was updated on November 3, 2026 and Facial Dynamics on November 5, 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.*