# Let's Stack AR! vs Stretch Robot

The clearest difference is price: Stretch Robot at Free against Let's Stack AR!'s $0.99. Stretch Robot also leads on ratings volume (125 vs 19) and iOS requirement (15.0 vs 17.0). Let's Stack AR!'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, review sentiment, update cadence and device support there is nothing between them.

Stretch Robot is free to download; Let's Stack AR! costs $0.99 up front. Stretch Robot sells 1 one-off in-app purchase. Let's Stack AR! asks for nothing beyond the download.

Stretch Robot holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Stretch Robot has 125 ratings behind it against 19, so its average is the more settled of the two. Written reviews split almost evenly too, at 56% and 57% positive.

Let's Stack AR! ships an update every 3 months, Stretch Robot every 4 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Let's Stack AR! | Stretch Robot |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.5 (19 ratings)](https://appshunter.io/ios/app/lets-stack-ar/id1265773817/reviews) | **[4.7 (125 ratings)](https://appshunter.io/ios/app/stretch-robot-physics-puzzle/id6473294292/reviews)** |
| Number of ratings | 19 | **125** |
| Positive reviews | 56.3% of reviews | **57.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 23 MB | 185 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Hendri Soerianto](https://appshunter.io/developer/1107831294) | [Lunapp, TOO](https://appshunter.io/developer/1669287025) |

## 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


### Stretch Robot

[App page](https://appshunter.io/ios/app/stretch-robot-physics-puzzle/id6473294292)

Control a robot with extendable arms to solve physics-based puzzles. Stretch, grab, and swing to overcome obstacles like spikes and gaps using smart thinking and elastic mechanics. Enjoy handcrafted levels with a casual pace, perfect for quick, engaging brain teasers.

**Highlights:** Physics-based puzzle gameplay, Stretch mechanics, Handcrafted levels, Logic challenges, Casual pace, Intuitive physics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

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

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

### Is Stretch Robot free?

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

### Which has better reviews, Let's Stack AR! or Stretch Robot?

Stretch Robot is rated higher. Let's Stack AR! averages 4.5 out of 5 from 19 ratings, while Stretch Robot averages 4.7 from 125 ratings.

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

Stretch Robot shows ads; Let's Stack AR! does not.

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

Let's Stack AR! ships an update every 3 months, and Stretch Robot every 4 months. Most recently, Let's Stack AR! was updated on November 6, 2026 and Stretch Robot on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*