# RobotMania vs Planet Sylvia

The clearest difference is ads: RobotMania at none against Planet Sylvia's shown. Planet Sylvia's advantage is review sentiment (100% vs 84%). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. RobotMania sells 2 in-app purchases, starting at $0.99 per month and Planet Sylvia sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 27, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | RobotMania | Planet Sylvia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (754 ratings)](https://appshunter.io/ios/app/robotmania-physics-sandbox/id6444165242/reviews)** | — |
| Number of ratings | **754** | — |
| Positive reviews | 83.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 70 MB | 514 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Simon Zvara](https://appshunter.io/developer/1490607194) | [Ali YUCE](https://appshunter.io/developer/1653452885) |

## What reviewers say

### 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


### Planet Sylvia

[App page](https://appshunter.io/ios/app/planet-sylvia/id6680194211)

Embark on a cosmic adventure to colonize planets, build bases, and upgrade your spacecraft. Explore a vast universe, gather resources, and uncover the secrets of uncharted worlds.

**Highlights:** Establish bases on uncharted worlds, Gather and manage resources, Upgrade and customize spacecraft, Unlock and customize specialized ships, Explore unique planets and their mysteries, Develop adaptive strategies for diverse environments

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamond Pack 1 | $0.99 | one-time |
| Diamond Pack 2 | $3.99 | one-time |
| Promo Pack | $4.99 | one-time |
| Diamond Pack 3 | $9.99 | one-time |
| Diamond Pack 4 | $19.99 | one-time |
| Diamond Pack 5 | $39.99 | one-time |


## Frequently asked questions

### Is RobotMania free?

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

### Is Planet Sylvia free?

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

### Do RobotMania or Planet Sylvia have ads?

Planet Sylvia shows ads; RobotMania does not.

### Which is updated more often, RobotMania or Planet Sylvia?

RobotMania ships an update every 3 days, and Planet Sylvia every 3 days. Most recently, RobotMania was updated on October 27, 2026 and Planet Sylvia on October 17, 2026.

---

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