Live Link Face vs APS Sidekick
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Facial performance capture
- MetaHuman Animator integration
- Real-time animation streaming
- ARKit animation data output
- Timecode synchronization
- Remote control via OSC
- Take management and sharing
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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.
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.
- 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
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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
Verdict
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
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.
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.
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.
| Parameter | Live Link Face | APS Sidekick |
|---|---|---|
| Price | Free — better | $16.99 |
| Rating | 3.6 (114 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 48.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 114 — better | 3 |
| Update frequency | Every 2 months — better | Every 21 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | — | #183 — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 117 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Unreal Engine | Grant Olsen |
Customer experience
Live Link Face
APS Sidekick
In-app purchases
Live Link Face
No in-app purchases
APS Sidekick
No in-app purchases









