# Doom DinoDoom vs Rack Hero

The clearest difference is in-app purchases: Rack Hero at none against Doom DinoDoom's 8. Rack Hero also leads on update cadence (every 2 days vs weekly). Doom DinoDoom's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Doom DinoDoom sells 8 one-off in-app purchases. Rack Hero asks for nothing beyond the download.

Doom DinoDoom ships an update weekly, Rack Hero every 2 days. Both last shipped on October 13, 2026.

## The numbers

| Metric | Doom DinoDoom | Rack Hero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Size | 112 MB | 104 MB |
| Requires iOS | 13.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [ZINGPLAY INTERNATIONAL PTE. LTD](https://appshunter.io/developer/1528287523) | [淑芳 董](https://appshunter.io/developer/1552143699) |

## What reviewers say

### Doom DinoDoom

[App page](https://appshunter.io/ios/app/doom-dinodoom/id6504505757)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DinoDoom Pack 1 | $0.99 | one-time |
| DinoDoom Pack 2 | $1.99 | one-time |
| DinoDoom Pack 3 | $2.99 | one-time |
| DinoDoom Pack 5 | $4.99 | one-time |
| DinoDoom Pack 10 | $9.99 | one-time |
| DinoDoom Pack 20 | $19.99 | one-time |
| DinoDoom Pack 50 | $49.99 | one-time |
| DinoDoom Pack 100 | $99.99 | one-time |


### Rack Hero

[App page](https://appshunter.io/ios/app/rack-hero/id6657973106)

**In-app purchases:** none


## Frequently asked questions

### Is Doom DinoDoom free?

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

### Is Rack Hero free?

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

### Do Doom DinoDoom or Rack Hero have ads?

Rack Hero shows ads; Doom DinoDoom does not.

### Which is updated more often, Doom DinoDoom or Rack Hero?

Doom DinoDoom ships an update weekly, and Rack Hero every 2 days. Most recently, Doom DinoDoom was updated on October 13, 2026 and Rack Hero on October 13, 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.*