# Emosign vs ACUAH Classic

The clearest difference is in-app purchases: ACUAH Classic at none against Emosign's 1. Emosign's advantage is iOS requirement (11.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Emosign sells 1 in-app purchase, starting at $2.99 per month. ACUAH Classic asks for nothing beyond the download.

Emosign ships an update every 2 months, ACUAH Classic every 6 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Emosign | ACUAH Classic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/emosign/id1510650833/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 151 MB | 360 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [akihiro ueyama](https://appshunter.io/developer/1455741006) | [CsUnite Corporation](https://appshunter.io/developer/1729850367) |

## What reviewers say

### Emosign

[App page](https://appshunter.io/ios/app/emosign/id1510650833)

This app allows anyone to easily use motion tracking for 3D avatar display. It utilizes iPhone and iPad cameras for face and hand tracking, reflecting movements onto VRM format 3D models. A Pro license removes watermarks and enables commercial use.

**Highlights:** Motion tracking for 3D avatars, Face and hand tracking, VRM model integration, Watermark removal with Pro license, Commercial use enabled with Pro license

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proライセンス | $2.99 | per month |


### ACUAH Classic

[App page](https://appshunter.io/ios/app/acuah-classic/id6477607472)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Emosign free?

Emosign is free to download, with in-app purchases available.

### Is ACUAH Classic free?

ACUAH Classic is free to download, with no in-app purchases.

### Do Emosign or ACUAH Classic have ads?

Neither Emosign nor ACUAH Classic shows ads.

### Which is updated more often, Emosign or ACUAH Classic?

Emosign ships an update every 2 months, and ACUAH Classic every 6 weeks. Most recently, Emosign was updated on November 3, 2026 and ACUAH Classic on November 4, 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.*