# こえもじ vs Sign Motion

The clearest difference is in-app purchases: Sign Motion at none against こえもじ's 1. Sign Motion also leads on ads (none vs shown) and update cadence (daily vs fortnightly). こえもじ's advantage is iOS requirement (15.6 vs 18.0). On price and device support there is nothing between them.

Both are free to download. こえもじ sells 1 one-off in-app purchase. Sign Motion asks for nothing beyond the download.

こえもじ ships an update fortnightly, Sign Motion daily. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | こえもじ | Sign Motion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Daily** |
| Size | 9 MB | 38 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Keisuke Nakashima](https://appshunter.io/developer/1691259083) | [Fumikazu Kondo](https://appshunter.io/developer/1895556530) |

## What reviewers say

### こえもじ

[App page](https://appshunter.io/ios/app/id6746428538)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示プラン | $1.99 | one-time |


### Sign Motion

[App page](https://appshunter.io/ios/app/sign-motion/id6818924864)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is こえもじ free?

こえもじ is free to download, with in-app purchases available.

### Is Sign Motion free?

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

### Do こえもじ or Sign Motion have ads?

こえもじ shows ads; Sign Motion does not.

### Which is updated more often, こえもじ or Sign Motion?

こえもじ ships an update fortnightly, and Sign Motion daily. Most recently, こえもじ was updated on October 30, 2026 and Sign Motion on October 31, 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.*