# Inferno21 vs Hellfire

The clearest difference is in-app purchases: Inferno21 at none against Hellfire's 1. Hellfire's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hellfire sells 1 one-off in-app purchase. Inferno21 asks for nothing beyond the download.

Inferno21 ships an update fortnightly, Hellfire every 9 days. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Inferno21 | Hellfire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (14 ratings)](https://appshunter.io/ios/app/hellfire-zombie-rpg/id6741539531/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 510 MB | 1.1 GB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Niall Austin](https://appshunter.io/developer/1562271080) | [斌 杨](https://appshunter.io/developer/1771930576) |

## What reviewers say

### Inferno21

[App page](https://appshunter.io/ios/app/inferno21/id1589137958)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hellfire

[App page](https://appshunter.io/ios/app/hellfire-zombie-rpg/id6741539531)

Embark on a Roguelike RPG adventure as a Predator, battling undead legions and demons in dark, hellish dungeons. Collect legendary gear, freely combine skills, and explore randomized levels filled with traps and puzzles to forge a hero and uncover apocalyptic secrets.

**Highlights:** Roguelike dungeon exploration, Strategic combat against ghouls and demons, Unlock and combine legendary weapons and skills, Stunning dark art style, 10 unique randomized levels, Hero upgrades and evolution

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 gems in the  game | $0.99 | one-time |


## Frequently asked questions

### Is Inferno21 free?

Inferno21 is free to download, with no in-app purchases.

### Is Hellfire free?

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

### Do Inferno21 or Hellfire have ads?

Neither Inferno21 nor Hellfire shows ads.

### Which is updated more often, Inferno21 or Hellfire?

Inferno21 ships an update fortnightly, and Hellfire every 9 days. Most recently, Inferno21 was updated on October 16, 2026 and Hellfire on October 24, 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.*