Comparison

Sentai vs Facial Dynamics

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sentai

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
Read full description

Sentai is a voice-enabled digital companion for those in need of some extra support in their own home. It offers AI-powered natural conversation, helping adhere to daily routines and maintain independence. The Sentai app for carers, friends and family enables easy configuration of the Sentai speaker and provides AI-powered insight into a user’s activity and wellbeing along with chat, shopping lists and care notes. Carers and family members can receive notifications when there are issues, for example when medication has run out, urgent shopping is needed, or no movement has been detected for a while.

About

Facial Dynamics

Read full description

Facial Dynamics encourages you to comply with your existing facial movement routines set to you by your specialists. You can use augmented reality to change your facial appearance if this is something that you find upsetting. While you are performing your routines, you will see clear instructions on screen to ensure you are performing them correctly. Your specialists will be able to see your compliance with your facial routines, and videos (without sound) and objective data of your facial movements. Never forget another routine again with clear instructions of when the next routine is due, an overview of when all routines are due, and notifications to remind you. You can send messages directly to your specialists, and they can reply to you to clear up any concerns. Please note that you must already be registered with an organisation that uses Facial Dynamics to use this app. If you have not been asked by your specialists to use this app, you probably won't be able to. Please note that you must have a device with a TrueDepth camera, for example: iPhone X and above (not including iPhone SE) iPad Pro Facial Dynamics is not a medical device and should be used for cosmetic purposes only. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sentai4 screens
Facial Dynamics4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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

Scorecard2 real differences · 7 level
Sentai versus Facial Dynamics: the parameters behind the verdict, then further details
ParameterSentaiFacial Dynamics
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better18.0
Further details — not scored
Size72 MB4 MB
Age rating4+4+
DeveloperSentaiLife Analytics Ltd

In-app purchases

None

Sentai

No in-app purchases

1 purchases

Facial Dynamics

Subscriptions1
  • Monthly Subscription$14.991 Month

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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