# Ninja Sekai vs Hellfire

The clearest difference is price: Hellfire at Free against Ninja Sekai's $1.99. Ninja Sekai's advantage is in-app purchases (none vs 1) and update cadence (daily vs every 9 days). On ads, device support and iOS requirement there is nothing between them.

Hellfire is free to download; Ninja Sekai costs $1.99 up front. Hellfire sells 1 one-off in-app purchase. Ninja Sekai asks for nothing beyond the download.

Ninja Sekai ships an update daily, Hellfire every 9 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ninja Sekai | Hellfire |
| --- | --- | --- |
| Price | $1.99 | **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 | **Daily** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 380 MB | 1.1 GB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Kyran Amantay](https://appshunter.io/developer/1757717130) | [斌 杨](https://appshunter.io/developer/1771930576) |

## What reviewers say

### Ninja Sekai

[App page](https://appshunter.io/ios/app/ninja-sekai/id6736591745)

**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 Ninja Sekai free?

Ninja Sekai costs $1.99, with no in-app purchases.

### Is Hellfire free?

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

### Do Ninja Sekai or Hellfire have ads?

Neither Ninja Sekai nor Hellfire shows ads.

### Which is updated more often, Ninja Sekai or Hellfire?

Ninja Sekai ships an update daily, and Hellfire every 9 days. Most recently, Ninja Sekai was updated on October 6, 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.*