# Let's Stack AR! vs AR UFO

The clearest difference is price: AR UFO at Free against Let's Stack AR!'s $0.99. AR UFO also leads on update cadence (every 3 days vs every 3 months) and iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

AR UFO is free to download; Let's Stack AR! costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Let's Stack AR! ships an update every 3 months, AR UFO every 3 days. The most recent releases landed on November 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Let's Stack AR! | AR UFO |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/lets-stack-ar/id1265773817/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 56.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Paid | — |
| Size | 23 MB | 132 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Hendri Soerianto](https://appshunter.io/developer/1107831294) | [Bart Wijsman](https://appshunter.io/developer/844350953) |

## What reviewers say

### Let's Stack AR!

[App page](https://appshunter.io/ios/app/lets-stack-ar/id1265773817)

Build the tallest tower possible using augmented reality. Place blocks in your environment and see how high you can stack them before they tumble. Compare your creations to real-world objects.

**Highlights:** Augmented reality block stacking, Build the tallest tower, Place blocks in real-world environments, Compare tower height to real objects, Awarded Apple's Game of the Day

**In-app purchases:** none


### AR UFO

[App page](https://appshunter.io/ios/app/ar-ufo/id6475422901)

**In-app purchases:** none


## Frequently asked questions

### Is Let's Stack AR! free?

Let's Stack AR! costs $0.99, with no in-app purchases.

### Is AR UFO free?

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

### Do Let's Stack AR! or AR UFO have ads?

Neither Let's Stack AR! nor AR UFO shows ads.

### Which is updated more often, Let's Stack AR! or AR UFO?

Let's Stack AR! ships an update every 3 months, and AR UFO every 3 days. Most recently, Let's Stack AR! was updated on November 6, 2026 and AR UFO on October 25, 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.*