# Aetherium Hearts vs Demon Prince

The clearest difference is update cadence: Demon Prince at every 3 days against Aetherium Hearts's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Aetherium Hearts ships an update fortnightly, Demon Prince every 3 days. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Aetherium Hearts | Demon Prince |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 55 MB | 176 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Hitoshi Igarashi](https://appshunter.io/developer/1607620369) | [kazumichi kitajima](https://appshunter.io/developer/6804537664) |

## What reviewers say

### Aetherium Hearts

[App page](https://appshunter.io/ios/app/aetherium-hearts/id6794991236)

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

**In-app purchases:** none


### Demon Prince

[App page](https://appshunter.io/ios/app/demon-prince-walking-rpg/id6804537662)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Aetherium Hearts free?

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

### Is Demon Prince free?

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

### Do Aetherium Hearts or Demon Prince have ads?

Both Aetherium Hearts and Demon Prince show ads.

### Which is updated more often, Aetherium Hearts or Demon Prince?

Aetherium Hearts ships an update fortnightly, and Demon Prince every 3 days. Most recently, Aetherium Hearts was updated on October 31, 2026 and Demon Prince on November 10, 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.*