# Sticky Castle vs Atomic Spider

The clearest difference is in-app purchases: Sticky Castle at none against Atomic Spider's 1. Sticky Castle also leads on ads (none vs shown). Atomic Spider's advantage is update cadence (every 6 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Atomic Spider sells 1 one-off in-app purchase. Sticky Castle asks for nothing beyond the download.

Sticky Castle ships an update every 2 months, Atomic Spider every 6 days. The most recent releases landed on September 14, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Sticky Castle | Atomic Spider |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/atomic-spider/id1619787061/reviews)** |
| Number of ratings | — | **9** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 203 MB | 95 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Leon Schrijvers](https://appshunter.io/developer/1607573850) | [Easy 8 Software](https://appshunter.io/developer/293405662) |

## What reviewers say

### Sticky Castle

[App page](https://appshunter.io/ios/app/sticky-castle/id1607573847)

**In-app purchases:** none


### Atomic Spider

[App page](https://appshunter.io/ios/app/atomic-spider/id1619787061)

Control a genetically engineered spider to defend the universe from alien invaders. Engage in intense touchscreen combat across over 50 levels filled with unique monsters and challenging bosses.

**Highlights:** Touchscreen combat mechanics, 50+ challenging levels, Unique monsters and bosses, Bright vector-style visuals, Alien invasion defense gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atomic Spider Deluxe | $0.99 | one-time |


## Frequently asked questions

### Is Sticky Castle free?

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

### Is Atomic Spider free?

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

### Do Sticky Castle or Atomic Spider have ads?

Atomic Spider shows ads; Sticky Castle does not.

### Which is updated more often, Sticky Castle or Atomic Spider?

Sticky Castle ships an update every 2 months, and Atomic Spider every 6 days. Most recently, Sticky Castle was updated on September 14, 2026 and Atomic Spider on September 8, 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.*