Comparison

Live Link Face vs APS Sidekick

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

Head to head
About

Live Link Face

Capture facial performances from your iPhone or iPad for use in Unreal Engine. Create high-fidelity facial animation for MetaHumans or drive characters in real-time. Supports raw video, depth data, and ARKit animation streaming.

Highlights
  • Facial performance capture
  • MetaHuman Animator integration
  • Real-time animation streaming
  • ARKit animation data output
  • Timecode synchronization
  • Remote control via OSC
  • Take management and sharing
Read full description

Live Link Face for effortless facial animation in Unreal Engine—capture performances for use in Unreal Engine from your iPhone or iPad. Capture facial performances for MetaHuman Animator: - Live Link Face supports both real-time and processed animation. - MetaHuman Animator uses Live Link Face to capture performances, then applies its own processing to create high-fidelity facial animation for MetaHumans. - The Live Link Face app captures raw video and depth data, which can be transmitted directly from your device into Unreal Engine for use with the MetaHuman plugin. - Facial animation created with MetaHuman Animator can be applied to any MetaHuman character in just a few clicks. - This workflow requires an iPhone (12 or above) and a desktop PC running Windows 10/11. Real-time animation for MetaHumans: - The Live Link Face app generates animation to drive a MetaHuman Character in real time. - Animation data is streamed to Unreal Engine over a network using the MetaHuman Live Link Plugin. - This workflow requires an iPhone (12 or above) and a desktop PC running Windows 10/11. Real-time animation for non-MetaHuman characters: - Stream out ARKit animation data live to an Unreal Engine instance via Live Link over a network. - Visualize facial expressions in real time with live rendering in Unreal Engine. - Drive a 3D preview mesh, optionally overlaid over the video reference on the phone. - Record the raw ARKit animation data and front-facing video reference footage. - Tune the capture data to the individual performer and improve facial animation quality with rest pose calibration. Timecode support for multi-device synchronization: - Select from the system clock, an NTP server, or use a Tentacle Sync device to connect with a master clock on stage. - Video reference is frame accurate with embedded timecode for editorial. Control Live Link Face remotely with OSC or via the MetaHuman Plugin for Unreal Engine: - Trigger recording remotely so actors can focus on their performances. - Capture slate names and take numbers consistently. - Extract data for processing and storage. Browse and manage the library of captured takes: - Delete takes within Live Link Face, share via AirDrop. - Transfer directly over network when using MetaHuman Animator. - Review captured footage on-device.

About

APS Sidekick

This tool enables artists and animators to integrate ARKit facial capture into VR avatars for VR MocapFusion. Stream facial blendshape data in real-time for full body motion capture or live streaming with popular engines.

Highlights
  • ARKit facial capture for VR avatars
  • Real-time blendshape data streaming
  • VR MocapFusion integration
  • Full body motion capture export
  • Live streaming support
  • Unreal Engine, Unity, Blender plugins
Features
Read full description

The iOS Sidekick allows artists and animators to add ARKit facial capture to VR avatars when playing VR MocapFusion. The Sidekick app streams facial expression blendshapes data to VR MocapFusion for adding real time facecapture to avatars. With SteamVR full body tracking it is possible to record full body avatar motion capture with face capture and can be exported to Blender. Or use the face capture when live streaming. With several plugins available for live streaming using Unreal Engine, Unity or Blender. This app requires running VR MocapFusion on a PC to receive the motion capture data and can be downloaded from Steam: https://store.steampowered.com/app/1540000/Mocap_Fusion__VR/

Screenshots

Live Link Face4 screens
APS Sidekick3 screens

Verdict

The call

The clearest difference is review sentiment: APS Sidekick at 100% against Live Link Face's 48%. APS Sidekick also leads on rating (5.0 vs 3.6) and chart position (#183 vs unranked). Live Link Face's advantage is price (Free vs $16.99) and update cadence (every 2 months vs every 21 months). On ads, in-app purchases, device support and iOS requirement 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

Live Link Face is free to download; APS Sidekick costs $16.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

APS Sidekick holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Live Link Face has 114 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 48% of Live Link Face's written reviews are positive against 100% of APS Sidekick's.

UpkeepUpdate frequency

Live Link Face ships an update every 2 months, APS Sidekick every 21 months. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

Scorecard7 real differences · 4 level
Live Link Face versus APS Sidekick: the parameters behind the verdict, then further details
ParameterLive Link FaceAPS Sidekick
PriceFree — better$16.99
Rating3.6 (114 ratings)5.0 (3 ratings) — better
Positive reviews48.0% of reviews100.0% of reviews — better
Number of ratings114 — better3
Update frequencyEvery 2 months — betterEvery 21 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank—#183 — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.6 — better
Further details — not scored
Size117 MB5 MB
Age rating4+4+
DeveloperUnreal EngineGrant Olsen

Customer experience

Live Link Face

All ratings114 ratings
Positive63.2%
Neutral6.1%
Negative30.7%
Written reviews171 reviews
Positive48.0%
Neutral11.7%
Negative40.4%

APS Sidekick

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Live Link Face

No in-app purchases

None

APS Sidekick

No in-app purchases

Questions

Is Live Link Face free?
Live Link Face is free to download, with no in-app purchases.
Is APS Sidekick free?
APS Sidekick costs $16.99, with no in-app purchases.
Which has better reviews, Live Link Face or APS Sidekick?
APS Sidekick is rated higher. Live Link Face averages 3.6 out of 5 from 114 ratings, while APS Sidekick averages 5.0 from 3 ratings.
Do Live Link Face or APS Sidekick have ads?
Neither Live Link Face nor APS Sidekick shows ads.
Which is updated more often, Live Link Face or APS Sidekick?
Live Link Face ships an update every 2 months, and APS Sidekick every 21 months. Most recently, Live Link Face was updated on October 1, 2026 and APS Sidekick on October 2, 2026.

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