# DRS vs Zero Gravity 3D

The clearest difference is in-app purchases: Zero Gravity 3D at none against DRS's 1. Zero Gravity 3D also leads on iOS requirement (10.0 vs 15.0). DRS's advantage is update cadence (every 2 months vs every 20 months). On price, ads and device support there is nothing between them.

Both are free to download. DRS sells 1 one-off in-app purchase. Zero Gravity 3D asks for nothing beyond the download.

DRS ships an update every 2 months, Zero Gravity 3D every 20 months. The most recent releases landed on September 29, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | DRS | Zero Gravity 3D |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 20 months |
| Monetization | Free with in-app purchases | — |
| Size | 223 MB | 83 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [PSV Studio](https://appshunter.io/developer/1091563899) | [喜拉 任](https://appshunter.io/developer/1447216936) |

## 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


### Zero Gravity 3D

[App page](https://appshunter.io/ios/app/zero-gravity-3d/id1476355895)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DRS free?

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

### Is Zero Gravity 3D free?

Zero Gravity 3D is free to download, with no in-app purchases.

### Do DRS or Zero Gravity 3D have ads?

Both DRS and Zero Gravity 3D show ads.

### Which is updated more often, DRS or Zero Gravity 3D?

DRS ships an update every 2 months, and Zero Gravity 3D every 20 months. Most recently, DRS was updated on September 29, 2026 and Zero Gravity 3D on September 10, 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.*