# Project Skyforge vs Red 1

The clearest difference is in-app purchases: Red 1 at none against Project Skyforge's 10. Red 1 also leads on iOS requirement (13.0 vs 17.0). Project Skyforge's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Project Skyforge sells 10 one-off in-app purchases. Red 1 asks for nothing beyond the download.

Project Skyforge ships an update every 4 days, Red 1 every 3 weeks. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Project Skyforge | Red 1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/red-1-knife-attack/id6800343640/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | — | Ad-supported |
| Size | 252 MB | 248 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Farrukh Niaz](https://appshunter.io/developer/6798407504) | [Zain UI Abideen](https://appshunter.io/developer/1735463401) |

## What reviewers say

### Project Skyforge

[App page](https://appshunter.io/ios/app/project-skyforge/id6798407502)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A stack of coins | $0.99 | one-time |
| A pile of coins | $1.99 | one-time |
| A crate full of coins | $3.99 | one-time |
| A chest full of coins | $6.99 | one-time |
| Get all jets | $7.99 | one-time |
| A vault full of cash | $9.99 | one-time |
| A vault full of coins | $9.99 | one-time |
| Unlock all missions | $9.99 | one-time |
| Remove all ads from the game | $14.99 | one-time |
| Get full game unlocked | $24.99 | one-time |


### Red 1

[App page](https://appshunter.io/ios/app/red-1-knife-attack/id6800343640)

Test your knife-throwing accuracy against waves of approaching enemies. Aim precisely and throw with skill to eliminate threats before they reach you and survive each level.

**Highlights:** Knife throwing mechanics, Precise aiming, Wave-based enemy survival, Accuracy-focused gameplay

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

**In-app purchases:** none


## Frequently asked questions

### Is Project Skyforge free?

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

### Is Red 1 free?

Red 1 is free to download, with no in-app purchases.

### Do Project Skyforge or Red 1 have ads?

Both Project Skyforge and Red 1 show ads.

### Which is updated more often, Project Skyforge or Red 1?

Project Skyforge ships an update every 4 days, and Red 1 every 3 weeks. Most recently, Project Skyforge was updated on October 9, 2026 and Red 1 on October 11, 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.*