# DRS vs Stackitecture

The clearest difference is update cadence: Stackitecture at every 11 days against DRS's every 2 months. DRS's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DRS sells 1 one-off in-app purchase and Stackitecture sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DRS ships an update every 2 months, Stackitecture every 11 days. The most recent releases landed on October 11, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | DRS | Stackitecture |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (1.9K ratings)](https://appshunter.io/ios/app/drs-drone-flight-simulator/id1468732933/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 28.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 223 MB | 49 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PSV Studio](https://appshunter.io/developer/1091563899) | [Danjel Durmo](https://appshunter.io/developer/1815835614) |

## What reviewers say

### DRS

[App page](https://appshunter.io/ios/app/drs-drone-flight-simulator/id1468732933)

Master FPV drone piloting with realistic physics in a sandbox environment. Explore diverse locations, customize controls, and choose from various flight modes. Ideal for beginners and experienced pilots alike.

**Highlights:** Realistic physics-based flying, Race and sandbox modes, Multiple flight locations, Adjustable controls, Throttle stabilizer for beginners, Customizable drone characteristics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all ads | $2.99 | one-time |

**What reviewers like**

- 🚀 Great simulator
- 🎮 Supports controllers
- 👍 Helps practice flying

**What reviewers complain about**

- 🐛 Broken controls and features after updates
- 💸 Too many ads, even after paying to remove them
- 🛑 Not realistic compared to real drones

**Reported bugs**

- Vertical thrust is broken in latest version
- Can't get past ads prompt even after paying
- Frequent crashes and glitches

**Requested features**

- Add more maps and environments
- Improve physics and realism
- Add crash physics and effects


### Stackitecture

[App page](https://appshunter.io/ios/app/stackitecture/id6761286324)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is DRS free?

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

### Is Stackitecture free?

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

### Do DRS or Stackitecture have ads?

Both DRS and Stackitecture show ads.

### Which is updated more often, DRS or Stackitecture?

DRS ships an update every 2 months, and Stackitecture every 11 days. Most recently, DRS was updated on October 11, 2026 and Stackitecture on September 27, 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.*