# Idle Monster Forge vs AstroForge

The clearest difference is update cadence: AstroForge at every 5 days against Idle Monster Forge's every 11 days. AstroForge also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Idle Monster Forge sells 10 in-app purchases, starting at $8.99 per month and AstroForge sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Idle Monster Forge ships an update every 11 days, AstroForge every 5 days. Both last shipped on November 10, 2026.

## The numbers

| Metric | Idle Monster Forge | AstroForge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 days | **Every 5 days** |
| Size | 152 MB | 25 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Mario Haesler](https://appshunter.io/developer/6797419822) | [KENNETH DANIEL LIGHTBOURNE](https://appshunter.io/developer/6794875719) |

## What reviewers say

### Idle Monster Forge

[App page](https://appshunter.io/ios/app/idle-monster-forge/id6797419820)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dark Alchemist Pass I | $8.99 | per month |
| Dark Alchemist Pass II | $17.99 | per month |
| 100 Voidshards | $1.99 | one-time |
| Weekly Hero Pass | $3.99 | one-time |
| Production Boost I | $3.99 | one-time |
| 500 Voidshards | $4.99 | one-time |
| No Ads | $8.99 | one-time |
| Production Boost II | $8.99 | one-time |
| 2,000 Voidshards | $9.99 | one-time |
| 10,000 Voidshards | $29.99 | one-time |


### AstroForge

[App page](https://appshunter.io/ios/app/astroforge-idle-miner/id6799542230)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crystal Pouch | $0.99 | one-time |
| Starter Pack | $2.99 | one-time |
| Idle 3× Pack | $4.99 | one-time |
| 2× Income Boost | $4.99 | one-time |
| Crystal Bag | $4.99 | one-time |
| Remove Ads | $9.99 | one-time |
| 3× Income Boost | $9.99 | one-time |
| Crystal Crate | $9.99 | one-time |
| Crystal Haul | $19.99 | one-time |
| Crystal Motherlode | $49.99 | one-time |


## Frequently asked questions

### Is Idle Monster Forge free?

Idle Monster Forge is free to download, with in-app purchases available.

### Is AstroForge free?

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

### Do Idle Monster Forge or AstroForge have ads?

Both Idle Monster Forge and AstroForge show ads.

### Which is updated more often, Idle Monster Forge or AstroForge?

Idle Monster Forge ships an update every 11 days, and AstroForge every 5 days. Most recently, Idle Monster Forge was updated on November 10, 2026 and AstroForge 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.*