# AlienSpaceForce vs Stack Blocks Puzzle

The clearest difference is review sentiment: Stack Blocks Puzzle at 100% against AlienSpaceForce's 0%. Stack Blocks Puzzle also leads on rating (5.0 vs 1.0) and update cadence (every 6 days vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. AlienSpaceForce sells 1 one-off in-app purchase and Stack Blocks Puzzle sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Stack Blocks Puzzle holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Stack Blocks Puzzle has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of AlienSpaceForce's written reviews are positive against 100% of Stack Blocks Puzzle's.

AlienSpaceForce ships an update every 3 months, Stack Blocks Puzzle every 6 days. The most recent releases landed on October 13, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | AlienSpaceForce | Stack Blocks Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/alienspaceforce/id889855594/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/stack-blocks-puzzle/id6748033114/reviews)** |
| Number of ratings | 1 | **11** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 177 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AsgardSoft GmbH](https://appshunter.io/developer/570168173) | [Advanced Studio LLC](https://appshunter.io/developer/300297127) |

## What reviewers say

### AlienSpaceForce

[App page](https://appshunter.io/ios/app/alienspaceforce/id889855594)

Defend your planet from an incoming alien invasion by targeting and destroying enemy spaceships with a laser. This fast-paced game tests your reaction speed and concentration as you protect your world for as long as possible.

**Highlights:** Defend planet from alien spaceships, Destroy extraterrestrial ships with laser, Test reaction speed, Test concentration, Unlock ad-free play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


### Stack Blocks Puzzle

[App page](https://appshunter.io/ios/app/stack-blocks-puzzle/id6748033114)

Recreate blueprint patterns by stacking the correct blocks before time runs out in this fast-paced, casual puzzle game. With over 1000 levels and strategic boosters, it's easy to learn but offers a satisfying challenge for all players.

**Highlights:** Stack and match blocks to recreate patterns, Timed levels with increasing difficulty, Over 1000 handcrafted levels, Strategic boosters for assistance, Quick rounds for short breaks, Clean, colorful visuals

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Gem | $0.99 | one-time |
| 300 Gems | $2.99 | one-time |
| 500 Gems | $4.99 | one-time |
| 1100 Gems | $9.99 | one-time |
| Remove Ads | $9.99 | one-time |
| 2500 Gems | $24.99 | one-time |


## Frequently asked questions

### Is AlienSpaceForce free?

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

### Is Stack Blocks Puzzle free?

Stack Blocks Puzzle is free to download, with in-app purchases available.

### Which has better reviews, AlienSpaceForce or Stack Blocks Puzzle?

Stack Blocks Puzzle is rated higher. AlienSpaceForce averages 1.0 out of 5 from 1 ratings, while Stack Blocks Puzzle averages 5.0 from 11 ratings.

### Do AlienSpaceForce or Stack Blocks Puzzle have ads?

Both AlienSpaceForce and Stack Blocks Puzzle show ads.

### Which is updated more often, AlienSpaceForce or Stack Blocks Puzzle?

AlienSpaceForce ships an update every 3 months, and Stack Blocks Puzzle every 6 days. Most recently, AlienSpaceForce was updated on October 13, 2026 and Stack Blocks Puzzle on September 13, 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.*