# Sudoku Express vs RobotMania

Sudoku Express and RobotMania both sit at 4.5 stars, but that hides the real split: 84% of RobotMania's written reviews are positive against 23% of Sudoku Express's. RobotMania also leads on price (Free vs $3.99) and update cadence (every 3 days vs every 6 weeks). Sudoku Express's advantage is in-app purchases (none vs 2). On rating, ads, device support and iOS requirement there is nothing between them.

RobotMania is free to download; Sudoku Express costs $3.99 up front. RobotMania sells 2 in-app purchases, starting at $0.99 per month. Sudoku Express asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Sudoku Express against 4.6 for RobotMania. That said, the two scores are not equally well evidenced: RobotMania has 751 ratings behind it against 84, so its average is the more settled of the two. Written reviews are what separate them: 23% of Sudoku Express's written reviews are positive against 84% of RobotMania's.

Sudoku Express ships an update every 6 weeks, RobotMania every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sudoku Express | RobotMania |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.5 (84 ratings)](https://appshunter.io/ios/app/sudoku-express/id996932318/reviews) | **[4.6 (751 ratings)](https://appshunter.io/ios/app/robotmania-physics-sandbox/id6444165242/reviews)** |
| Number of ratings | 84 | **751** |
| Positive reviews | 23.1% of reviews | **83.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 6 MB | 70 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pheinex, LLC](https://appshunter.io/developer/996932317) | [Simon Zvara](https://appshunter.io/developer/1490607194) |

## What reviewers say

### Sudoku Express

[App page](https://appshunter.io/ios/app/sudoku-express/id996932318)

Enjoy a classic Sudoku experience with a clean, minimalist interface designed for focused puzzle-solving. Customize your game with multiple color and font options. Offers over 1,000 unique puzzles across easy, medium, and hard difficulties for extended gameplay.

**Highlights:** Minimalist flat UI design, Easy noting system, Multiple color schemes, Font selection for customization, 1,001 unique puzzles per difficulty, Easy, Medium, and Hard difficulty levels

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

**In-app purchases:** none


### RobotMania

[App page](https://appshunter.io/ios/app/robotmania-physics-sandbox/id6444165242)

Design, program, and play your own games in a creative physics sandbox. Build robots, vehicles, and entire worlds with realistic physics and endless building possibilities. Share your creations and play games made by a vibrant community.

**Highlights:** Design interactive mini-games and simulations, Build robots, vehicles, and worlds, Program custom rules and win conditions, Realistic physics engine, Intuitive touch controls, Community sharing and play

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Supporter | $0.99 | per month |
| Full Game | $5.99 | one-time |

**What reviewers like**

- 👍 Great free alternative to Algodoo
- 🎮 Fun physics sandbox gameplay
- 🏗️ Ability to build creative robots and inventions
- 📱 Works well on mobile devices
- ⚡ Smooth performance and no loading times

**What reviewers complain about**

- 🐛 Drawing/shape creation issues after updates
- 🔐 Apple ID sign-in requirement only
- 📦 Limited building space
- ❓ Steep learning curve and unclear mechanics
- 🎮 Confusing controls for new users

**Reported bugs**

- Objects become unselectable after creation
- Cannot drag or move objects
- Drawing blocks stopped working in recent update
- Triggers are broken or non-functional
- Music cloning/duplicating issue

**Requested features**

- Multiplayer/co-op challenges
- Tutorial system for new players
- Gravity control for objects
- Trail effects for objects
- Sound effects and audio triggers


## Frequently asked questions

### Is Sudoku Express free?

Sudoku Express costs $3.99, with no in-app purchases.

### Is RobotMania free?

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

### Which has better reviews, Sudoku Express or RobotMania?

RobotMania is rated higher. Sudoku Express averages 4.5 out of 5 from 84 ratings, while RobotMania averages 4.6 from 751 ratings.

### Do Sudoku Express or RobotMania have ads?

Neither Sudoku Express nor RobotMania shows ads.

### Which is updated more often, Sudoku Express or RobotMania?

Sudoku Express ships an update every 6 weeks, and RobotMania every 3 days. Most recently, Sudoku Express was updated on October 24, 2026 and RobotMania 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.*