# Block Invaders vs Zephyr Strike

The clearest difference is review sentiment: Block Invaders at 100% against Zephyr Strike's 0%. Block Invaders also leads on ads (none vs shown). Zephyr Strike's advantage is in-app purchases (none vs 2) and update cadence (every 2 days vs every 12 months). On price, device support and iOS requirement there is nothing between them.

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

Block Invaders ships an update every 12 months, Zephyr Strike every 2 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Block Invaders | Zephyr Strike |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/zephyr-strike/id6761872355/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 91 MB | 117 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QED Gaming PTY. Ltd](https://appshunter.io/developer/441029909) | [Dilermando Barbosa](https://appshunter.io/developer/523825323) |

## 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 |


### Zephyr Strike

[App page](https://appshunter.io/ios/app/zephyr-strike/id6761872355)

Engage in intense vertical arcade-style combat, dodging bullets and defeating waves of enemies. Earn upgrades and unlock new aircraft to improve your chances of survival and achieve higher scores.

**Highlights:** Vertical shoot-em-up gameplay, Wave-based enemy encounters, In-run power-ups and upgrades, Permanent aircraft upgrades, Unlockable aircraft, Leaderboards and achievements

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Invaders free?

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

### Is Zephyr Strike free?

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

### Do Block Invaders or Zephyr Strike have ads?

Zephyr Strike shows ads; Block Invaders does not.

### Which is updated more often, Block Invaders or Zephyr Strike?

Block Invaders ships an update every 12 months, and Zephyr Strike every 2 days. Most recently, Block Invaders was updated on November 1, 2026 and Zephyr Strike 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.*