# Stacker vs Bird Spike

The clearest difference is ads: Bird Spike at none against Stacker's shown. Bird Spike also leads on update cadence (every 4 weeks vs every 8 months) and iOS requirement (10.0 vs 13.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Stacker ships an update every 8 months, Bird Spike every 4 weeks. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Stacker | Bird Spike |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (12 ratings)](https://appshunter.io/ios/app/stacker-the-impossible-48/id1035391938/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 4 weeks** |
| Monetization | Ad-supported | — |
| Size | 63 MB | 172 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alessandro Salvioni](https://appshunter.io/developer/981466908) | [Kevin James](https://appshunter.io/developer/1395677475) |

## What reviewers say

### Stacker

[App page](https://appshunter.io/ios/app/stacker-the-impossible-48/id1035391938)

A challenging tap-to-stack game where players aim to build towers by placing squares precisely. Reach the top of each stack to complete the game. It's designed to be difficult but fun.

**Highlights:** Tap to place squares, Build towers vertically, Complete all stacks to finish, Challenging gameplay, Simple controls

**Features:** macOS Compatibility

**In-app purchases:** none


### Bird Spike

[App page](https://appshunter.io/ios/app/bird-spike-avoid-the-spikes/id1473685054)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stacker free?

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

### Is Bird Spike free?

Bird Spike is free to download, with no in-app purchases.

### Do Stacker or Bird Spike have ads?

Stacker shows ads; Bird Spike does not.

### Which is updated more often, Stacker or Bird Spike?

Stacker ships an update every 8 months, and Bird Spike every 4 weeks. Most recently, Stacker was updated on October 21, 2026 and Bird Spike 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.*