# Melt and Mold vs UnderAttack

The clearest difference is in-app purchases: Melt and Mold at none against UnderAttack's 9. Melt and Mold also leads on update cadence (daily vs every 4 months) and iOS requirement (11.0 vs 16.4). On price and device support there is nothing between them.

Both are free to download. UnderAttack sells 9 one-off in-app purchases. Melt and Mold asks for nothing beyond the download.

Melt and Mold ships an update daily, UnderAttack every 4 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Melt and Mold | UnderAttack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | **Daily** | Every 4 months |
| Size | 228 MB | 88 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kubra Gundogan](https://appshunter.io/developer/1494003935) | [OGULCAN SACLI](https://appshunter.io/developer/1855149869) |

## What reviewers say

### Melt and Mold

[App page](https://appshunter.io/ios/app/melt-and-mold/id6446119064)

**Features:** macOS Compatibility

**In-app purchases:** none


### UnderAttack

[App page](https://appshunter.io/ios/app/underattack-idle-td/id6756351933)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Gem | $0.99 | one-time |
| 130 Gem | $1.99 | one-time |
| Starter Pack | $2.99 | one-time |
| Adventurer Bundle | $4.99 | one-time |
| 350 Gem | $4.99 | one-time |
| 650 Gem | $7.99 | one-time |
| Veteran Pack | $9.99 | one-time |
| Dreadnought | $9.99 | one-time |
| 1500 Gem | $14.99 | one-time |


## Frequently asked questions

### Is Melt and Mold free?

Melt and Mold is free to download, with no in-app purchases.

### Is UnderAttack free?

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

### Which is updated more often, Melt and Mold or UnderAttack?

Melt and Mold ships an update daily, and UnderAttack every 4 months. Most recently, Melt and Mold was updated on October 27, 2026 and UnderAttack on October 30, 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.*