Comparison

Keyaki Studio vs VachaCam

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

Head to head
About

Keyaki Studio

Create 3D avatar animations easily without complex software. Bring your stories to life with motion capture, facial expressions, and scene editing. Perfect for aspiring animators and manga creators.

Highlights
  • Motion capture with mocopi, BVH, FBX, GLB, VRMA, VMD
  • Avatar acting editing: facial expressions, lip sync, hand poses
  • Scene creation with multiple avatars and 3D object import
  • Video recording with adjustable lights, effects, and backgrounds
  • VRM Import and VRoid Hub integration
  • AI Camera and VMC Protocol support
Features
Read full description

This is an app that allows you to create animations using avatars. You can easily create 3D animations with avatars without using tools like Unity or Blender. Do you want to make an animation alone...? Want to create a manga but can’t draw...? Even without skills, friends, or money, this tool aims to help you turn the stories in your head into videos. [Motion Capture] Capture avatar movements using various methods: ● mocopi ● Animation files (bvh, fbx, glb, vrma, vmd) ● VMC Protocol ● AI Camera [Avatar Acting Editing] Edit avatar motions with a variety of features: ● Facial expressions ● Face tracking ● Lip sync (with audio files) ● Hand poses ● Hand tracking ● VRM Import (VRoid Hub integration) ● Bone adjustments ● Trimming [Scene Creation] ● Arrange multiple avatars to create group scenes ● Equip avatars with 3D models or objects ● Import 3D scenes ※ You can import 3D items and scenes from Unity using AssetBundles. [Video Recording] ● Adjust lights, camera effects, and shadows ● Insert images or videos as backgrounds ● AR shooting ※ When using motion capture or AR features, please ensure a safe environment before use.

About

VachaCam

Features
Read full description

VachaCam is a video recording app designed to combine your real camera feed with your 3D avatar in real time. Using iPhone Face ID and AR technology, it mirrors your facial expressions and movements to your avatar instantly, then blends it seamlessly with your live camera footage—making it look like you’re sharing the same space. Features * High-precision face tracking via iPhone Face ID * Import 3D avatars in VRM format * Real-time blending of live camera and avatar video * Video recording * Simple interface—perfect for beginners and pros alike Great for VTuber content, social media videos, promotional clips, or educational materials. You and your avatar—together on one screen.

Screenshots

Keyaki Studio4 screens
VachaCam4 screens

Verdict

The call

The clearest difference is in-app purchases: Keyaki Studio at none against VachaCam's 1. 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. VachaCam sells 1 in-app purchase, starting at $2.99 per month. Keyaki Studio asks for nothing beyond the download.

UpkeepUpdate frequency

Keyaki Studio ships an update every 3 days, VachaCam every 4 days. The most recent releases landed on September 18, 2026 and September 11, 2026 respectively.

Scorecard1 real difference · 9 level
Keyaki Studio versus VachaCam: the parameters behind the verdict, then further details
ParameterKeyaki StudioVachaCam
PriceFreeFree
Rating3.2 (15 ratings) — better—
Positive reviews53.8% of reviews—
Number of ratings15 — better—
Update frequencyEvery 3 days — betterEvery 4 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size490 MB193 MB
Age rating4+4+
DeveloperYUTA UEDAViRD

In-app purchases

None

Keyaki Studio

No in-app purchases

1 purchases

VachaCam

Subscriptions1
  • Plus Plan$2.991 Month

Questions

Is Keyaki Studio free?
Keyaki Studio is free to download, with no in-app purchases.
Is VachaCam free?
VachaCam is free to download, with in-app purchases available.
Do Keyaki Studio or VachaCam have ads?
Neither Keyaki Studio nor VachaCam shows ads.
Which is updated more often, Keyaki Studio or VachaCam?
Keyaki Studio ships an update every 3 days, and VachaCam every 4 days. Most recently, Keyaki Studio was updated on September 18, 2026 and VachaCam on September 11, 2026.

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