# Autograph app vs ARSound3D

The clearest difference is in-app purchases: Autograph app at none against ARSound3D's 1. Autograph app also leads on ads (none vs shown) and iOS requirement (8.0 vs 18.2). ARSound3D's advantage is update cadence (every 3 weeks vs every 3 months). On price and device support there is nothing between them.

Both are free to download. ARSound3D sells 1 one-off in-app purchase. Autograph app asks for nothing beyond the download.

Autograph app ships an update every 3 months, ARSound3D every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Autograph app | ARSound3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/autograph-app/id1209767905/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 24 MB | 19 MB |
| Requires iOS | **8.0** | 18.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jun Nomura](https://appshunter.io/developer/1195931865) | [Kengo Matsumoto](https://appshunter.io/developer/1801204820) |

## What reviewers say

### Autograph app

[App page](https://appshunter.io/ios/app/autograph-app/id1209767905)

This application allows users to digitally sign their name on a smartphone screen, eliminating the need for pens and paper. Signed images can be easily saved and shared on social media platforms.

**Highlights:** Digital autograph drawing, No pens or paper required, Save autograph images, Upload to social media

**Features:** macOS Compatibility

**In-app purchases:** none


### ARSound3D

[App page](https://appshunter.io/ios/app/arsound3d/id6743083155)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Autograph app free?

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

### Is ARSound3D free?

ARSound3D is free to download, with in-app purchases available.

### Do Autograph app or ARSound3D have ads?

ARSound3D shows ads; Autograph app does not.

### Which is updated more often, Autograph app or ARSound3D?

Autograph app ships an update every 3 months, and ARSound3D every 3 weeks. Most recently, Autograph app was updated on November 2, 2026 and ARSound3D on October 30, 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.*