# Kosmik Revenge vs Helix Protocol

The clearest difference is price: Helix Protocol at Free against Kosmik Revenge's $1.99. Helix Protocol also leads on update cadence (every 3 weeks vs every 3 months). Kosmik Revenge's advantage is device support (4 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Helix Protocol is free to download; Kosmik Revenge costs $1.99 up front. Kosmik Revenge sells 2 one-off in-app purchases and Helix Protocol sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Kosmik Revenge ships an update every 3 months, Helix Protocol every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Kosmik Revenge | Helix Protocol |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/kosmik-revenge/id858985551/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 45 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone |
| Age rating | 9+ | 9+ |
| Developer | [Stephane Denis](https://appshunter.io/developer/295455703) | [Oleksii Poliakov](https://appshunter.io/developer/648955741) |

## What reviewers say

### Kosmik Revenge

[App page](https://appshunter.io/ios/app/kosmik-revenge/id858985551)

Defend the galaxy in this retro arcade space shooter. Battle waves of enemies, upgrade your ship with powerful abilities, and navigate asteroid fields. Experience classic shoot 'em up gameplay with modern HD visuals and responsive controls.

**Highlights:** Intense arcade gameplay, Fight waves of enemies and bosses, Upgrade ship with powerful abilities, Navigate asteroid fields, HD graphics and visual effects, Daily challenges and leaderboards, Controller support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium pass | $0.99 | one-time |
| VIP Pass | $1.99 | one-time |


### Helix Protocol

[App page](https://appshunter.io/ios/app/helix-protocol/id936490163)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50K Credits | $2.99 | one-time |
| 125K Credits | $5.99 | one-time |
| 175K Credits | $8.99 | one-time |
| 250K Credits | $12.99 | one-time |
| 500K Credits | $19.99 | one-time |
| 750K Credits | $24.99 | one-time |
| 1M Credits | $29.99 | one-time |


## Frequently asked questions

### Is Kosmik Revenge free?

Kosmik Revenge costs $1.99, and also offers in-app purchases.

### Is Helix Protocol free?

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

### Do Kosmik Revenge or Helix Protocol have ads?

Both Kosmik Revenge and Helix Protocol show ads.

### Which is updated more often, Kosmik Revenge or Helix Protocol?

Kosmik Revenge ships an update every 3 months, and Helix Protocol every 3 weeks. Most recently, Kosmik Revenge was updated on October 23, 2026 and Helix Protocol 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.*