# Block Invaders vs Drobot

The clearest difference is in-app purchases: Drobot at none against Block Invaders's 2. Drobot also leads on update cadence (every 3 months vs every 12 months) and iOS requirement (11.0 vs 16.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Block Invaders sells 2 one-off in-app purchases. Drobot asks for nothing beyond the download.

Block Invaders ships an update every 12 months, Drobot every 3 months. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Block Invaders | Drobot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/drobot/id1453691042/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 91 MB | 44 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [QED Gaming PTY. Ltd](https://appshunter.io/developer/441029909) | [Masayoshi Teshima](https://appshunter.io/developer/768526731) |

## What reviewers say

### Block Invaders

[App page](https://appshunter.io/ios/app/block-invaders-tower-defense/id980999892)

Command a planetary defense platform to shoot down waves of alien invaders. Strategically build and upgrade weapons, each with unique abilities, to counter diverse enemy behaviors and complete missions.

**Highlights:** Command orbital defense platform, Build and upgrade weapons, Shoot down incoming alien waves, Diverse invader behaviors, Multiple weapon abilities, Mission-based gameplay

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Earth Missions 6 to 10 | $0.99 | one-time |
| No Adverts | $1.99 | one-time |


### Drobot

[App page](https://appshunter.io/ios/app/drobot/id1453691042)

Engage in a 360-degree space shooter where you fire backwards to defeat mysterious creatures. Upgrade your character between waves to become stronger and clear all levels to restore peace. Features include a unique shooting mechanic and a variety of unlockable color palettes.

**Highlights:** Backwards-firing 360-degree shooting, Upgrade system for character strength, Ten-second waves with numerous enemies, Dash ability with energy charge, Unlockable color palettes

**In-app purchases:** none


## Frequently asked questions

### Is Block Invaders free?

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

### Is Drobot free?

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

### Do Block Invaders or Drobot have ads?

Neither Block Invaders nor Drobot shows ads.

### Which is updated more often, Block Invaders or Drobot?

Block Invaders ships an update every 12 months, and Drobot every 3 months. Most recently, Block Invaders was updated on October 14, 2026 and Drobot on October 3, 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.*