# ASTRU vs Drone Merge 3D

The clearest difference is in-app purchases: Drone Merge 3D at none against ASTRU's 1. ASTRU's advantage is update cadence (every 5 days vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ASTRU sells 1 one-off in-app purchase. Drone Merge 3D asks for nothing beyond the download.

ASTRU ships an update every 5 days, Drone Merge 3D every 4 weeks. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ASTRU | Drone Merge 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astru/id6467688328/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 102 MB | 98 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Mohamed Elmejrab](https://appshunter.io/developer/1551548399) | [CYMPL Studios Private Limited](https://appshunter.io/developer/598517173) |

## What reviewers say

### ASTRU

[App page](https://appshunter.io/ios/app/astru/id6467688328)

A physics-based puzzle game where players must guide an object to a target using celestial forces. Navigate through levels with unique gravitational and orbital mechanics to achieve accuracy and creativity.

**Highlights:** Celestial force mechanics, Physics-based puzzles, Orbital objects, Target-based levels, Creative problem-solving

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Lives | $1.99 | one-time |


### Drone Merge 3D

[App page](https://appshunter.io/ios/app/drone-merge-3d/id6504487521)

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

**In-app purchases:** none


## Frequently asked questions

### Is ASTRU free?

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

### Is Drone Merge 3D free?

Drone Merge 3D is free to download, with no in-app purchases.

### Do ASTRU or Drone Merge 3D have ads?

Neither ASTRU nor Drone Merge 3D shows ads.

### Which is updated more often, ASTRU or Drone Merge 3D?

ASTRU ships an update every 5 days, and Drone Merge 3D every 4 weeks. Most recently, ASTRU was updated on September 10, 2026 and Drone Merge 3D on September 9, 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.*