# Aetherium Hearts vs Emberkeeper

Aetherium Hearts and Emberkeeper are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Aetherium Hearts ships an update fortnightly, Emberkeeper every 11 days. The most recent releases landed on October 31, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Aetherium Hearts | Emberkeeper |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | — | Ad-supported |
| Size | 55 MB | 94 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [Hitoshi Igarashi](https://appshunter.io/developer/1607620369) | [SONGHWA CHAE](https://appshunter.io/developer/1896751262) |

## 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


### Emberkeeper

[App page](https://appshunter.io/ios/app/emberkeeper-idle-knight-rpg/id6799284115)

Guide a knight to keep a kingdom's fire alive by battling bosses and growing stronger with each defeat. Collect resources and craft items to overcome increasingly challenging foes across diverse, ruined lands.

**Highlights:** Idle progression while the fire burns, Boss battles with unique mechanics, Crafting and item management, Persistent damage on bosses, Character progression and upgrades, Multiple distinct kingdoms to explore

**Features:** macOS Compatibility, 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 Emberkeeper free?

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

### Do Aetherium Hearts or Emberkeeper have ads?

Both Aetherium Hearts and Emberkeeper show ads.

### Which is updated more often, Aetherium Hearts or Emberkeeper?

Aetherium Hearts ships an update fortnightly, and Emberkeeper every 11 days. Most recently, Aetherium Hearts was updated on October 31, 2026 and Emberkeeper on November 12, 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.*