# UNREAL MOTION vs YERISM

The clearest difference is in-app purchases: UNREAL MOTION at none against YERISM's 7. UNREAL MOTION also leads on update cadence (daily vs every 2 months). YERISM's advantage is iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. YERISM sells 7 one-off in-app purchases. UNREAL MOTION asks for nothing beyond the download.

UNREAL MOTION ships an update daily, YERISM every 2 months. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | UNREAL MOTION | YERISM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Size | 106 MB | 66 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Kalkul Inc.](https://appshunter.io/developer/1357921921) | [Dahyeon Baek](https://appshunter.io/developer/1893037430) |

## What reviewers say

### UNREAL MOTION

[App page](https://appshunter.io/ios/app/unreal-motion/id6742775207)

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

**In-app purchases:** none


### YERISM

[App page](https://appshunter.io/ios/app/yerism/id6762128277)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prism 10 | $0.99 | one-time |
| Prism 20 | $1.99 | one-time |
| Prism 55 | $4.99 | one-time |
| Prism 110 | $9.99 | one-time |
| Prism 240 | $19.99 | one-time |
| Prism 625 | $49.99 | one-time |
| Prism 1300 | $99.99 | one-time |


## Frequently asked questions

### Is UNREAL MOTION free?

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

### Is YERISM free?

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

### Do UNREAL MOTION or YERISM have ads?

Neither UNREAL MOTION nor YERISM shows ads.

### Which is updated more often, UNREAL MOTION or YERISM?

UNREAL MOTION ships an update daily, and YERISM every 2 months. Most recently, UNREAL MOTION was updated on November 4, 2026 and YERISM on October 25, 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.*