# Shatterbrain vs Acardoo

The clearest difference is in-app purchases: Acardoo at none against Shatterbrain's 1. Acardoo also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 11 months). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. Shatterbrain sells 1 one-off in-app purchase. Acardoo asks for nothing beyond the download.

Shatterbrain ships an update every 11 months, Acardoo every 3 weeks. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Shatterbrain | Acardoo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (437 ratings)](https://appshunter.io/ios/app/shatterbrain/id1317443919/reviews)** | — |
| Number of ratings | **437** | — |
| Positive reviews | 86.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 112 MB | 167 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Orbital Nine Games Inc](https://appshunter.io/developer/887216732) | [Leon Prozmann](https://appshunter.io/developer/6773974498) |

## What reviewers say

### Shatterbrain

[App page](https://appshunter.io/ios/app/shatterbrain/id1317443919)

Engage in challenging physics puzzles by drawing shapes to find solutions. Discover multiple ways to solve each level and compete on leaderboards for the best performance. This game is designed for those who enjoy brain teasers and applying physics principles.

**Highlights:** Dozens of physics puzzles, Multiple solutions per puzzle, Leaderboard competition, Draw shapes to solve, Challenging gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $1.99 | one-time |

**What reviewers like**

- 🚀 Relaxing challenge
- 🚀 Elegant and challenging physics-based puzzles
- 👍 Enjoyable and addictive gameplay
- 👍 Stimulates the mind
- 👍 Reasonable ad implementation

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🔍 Lack of instructions or guidance
- 🔍 Difficulty progressing without 3-starring levels
- 🔍 Some levels too easy or too difficult

**Reported bugs**

- Freezing or crashing on certain levels
- Issues with drawing/controls not registering properly

**Requested features**

- More levels and content updates
- Ability to skip levels without 3 stars
- Customizable hint/solution system


### Acardoo

[App page](https://appshunter.io/ios/app/acardoo/id6776437225)

This app offers a variety of party games for groups, playable with a single device or online with friends. Enjoy bluffing, guessing, drawing, and reaction-based challenges that can be played in quick rounds or extended sessions.

**Highlights:** Playable on a single phone, Online multiplayer with friends, Variety of game types (bluffing, guessing, drawing), Quick and extended game sessions, Add friends by username or QR code, Supports multiple languages

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

**In-app purchases:** none


## Frequently asked questions

### Is Shatterbrain free?

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

### Is Acardoo free?

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

### Do Shatterbrain or Acardoo have ads?

Shatterbrain shows ads; Acardoo does not.

### Which is updated more often, Shatterbrain or Acardoo?

Shatterbrain ships an update every 11 months, and Acardoo every 3 weeks. Most recently, Shatterbrain was updated on October 22, 2026 and Acardoo on October 9, 2026.

---

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