# SynthStack vs Speed Stack Burger

The clearest difference is in-app purchases: Speed Stack Burger at none against SynthStack's 1. Speed Stack Burger also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SynthStack sells 1 one-off in-app purchase. Speed Stack Burger asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SynthStack | Speed Stack Burger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/synthstack-block-puzzle-game/id6504832555/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 92 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nurullah Macun](https://appshunter.io/developer/1754005758) | [Hakjun Lee](https://appshunter.io/developer/1834361180) |

## What reviewers say

### SynthStack

[App page](https://appshunter.io/ios/app/synthstack-block-puzzle-game/id6504832555)

A neon-lit puzzle game set in a cyberpunk world. Stack and align vibrant shapes to clear levels, challenging your strategy and reflexes with retro-futuristic visuals and immersive soundscapes.

**Highlights:** Neon-lit cyberpunk world, Stack and align vibrant shapes, Retro-futuristic visuals, Immersive soundscapes, Strategy and reflex challenges, High score chasing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |


### Speed Stack Burger

[App page](https://appshunter.io/ios/app/speed-stack-burger/id6751270149)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SynthStack free?

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

### Is Speed Stack Burger free?

Speed Stack Burger is free to download, with no in-app purchases.

### Do SynthStack or Speed Stack Burger have ads?

Both SynthStack and Speed Stack Burger show ads.

### Which is updated more often, SynthStack or Speed Stack Burger?

SynthStack ships an update every 2 days, and Speed Stack Burger every 2 days. Most recently, SynthStack was updated on October 16, 2026 and Speed Stack Burger on October 5, 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.*