# Red Flag Sim vs Starforge

The clearest difference is price: Starforge at Free against Red Flag Sim's $0.99. Starforge also leads on in-app purchases (none vs 3) and review sentiment (100% vs 87%). Red Flag Sim's advantage is update cadence (every 3 days vs every 6 days) and chart position (#11 vs unranked). On ads and iOS requirement there is nothing between them.

Starforge is free to download; Red Flag Sim costs $0.99 up front. Red Flag Sim sells 3 one-off in-app purchases. Starforge asks for nothing beyond the download.

Red Flag Sim ships an update every 3 days, Starforge every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Red Flag Sim | Starforge |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.6 (83 ratings)](https://appshunter.io/ios/app/red-flag-sim/id6740720825/reviews)** | — |
| Number of ratings | **83** | — |
| Positive reviews | 87.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#11** | — |
| Size | 1.4 GB | 41 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 9+ |
| Developer | [畅 刘](https://appshunter.io/developer/383381901) | [Starforge Studio Inc](https://appshunter.io/developer/6800140514) |

## What reviewers say

### Red Flag Sim

[App page](https://appshunter.io/ios/app/red-flag-sim/id6740720825)

**Currently charting:** #11 Top Paid · Racing, #92 Top Paid · Simulation (US App Store)

Experience a deep military aviation simulator on mobile, featuring realistic flight physics, complex avionics, and engaging combat. Learn to operate fighter jets, manage energy, and employ weapons through training missions or create your own scenarios.

**Highlights:** Realistic flight dynamics, In-depth F-15C simulation, Complex radar and avionics, Training and quick missions, Tactical mission editor, Evolving independent project

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Fox Token | $1.99 | one-time |
| 450 Fox Token | $3.99 | one-time |
| 1000 Fox Token | $7.99 | one-time |


### Starforge

[App page](https://appshunter.io/ios/app/starforge/id6812581591)

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

**In-app purchases:** none


## Frequently asked questions

### Is Red Flag Sim free?

Red Flag Sim costs $0.99, and also offers in-app purchases.

### Is Starforge free?

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

### Do Red Flag Sim or Starforge have ads?

Neither Red Flag Sim nor Starforge shows ads.

### Which is updated more often, Red Flag Sim or Starforge?

Red Flag Sim ships an update every 3 days, and Starforge every 6 days. Most recently, Red Flag Sim was updated on October 30, 2026 and Starforge on October 31, 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.*