# Planet Gravity vs Flataverse

The clearest difference is in-app purchases: Planet Gravity at none against Flataverse's 4. Flataverse's advantage is update cadence (monthly vs every 14 months) and review sentiment (48% vs 25%). On price, ads and device support there is nothing between them.

Both are free to download. Flataverse sells 4 in-app purchases, starting at $6.99 per 7 days. Planet Gravity asks for nothing beyond the download.

Planet Gravity ships an update every 14 months, Flataverse monthly. The most recent releases landed on June 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Planet Gravity | Flataverse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (779 ratings)](https://appshunter.io/ios/app/flataverse-explore-flat-earth/id6720764565/reviews)** |
| Number of ratings | — | **779** |
| Positive reviews | 25.0% of reviews | **48.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 486 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Niagara Mobile LLC](https://appshunter.io/developer/1039399999) | [Appsline](https://appshunter.io/developer/1633063013) |

## What reviewers say

### Planet Gravity

[App page](https://appshunter.io/ios/app/planet-gravity/id995682820)

Explore the gravitational pull of different celestial bodies. Watch pendulums swing and collide under varying gravitational forces, offering a unique physics simulation experience.

**Highlights:** Select different planets for unique gravity, Observe pendulum collisions, Physics-based simulation, Educational planet facts, Interactive entertainment

**Features:** macOS Compatibility

**In-app purchases:** none


### Flataverse

[App page](https://appshunter.io/ios/app/flataverse-explore-flat-earth/id6720764565)

Explore an interactive 3D model of a flat Earth, engage with alternative theories, and test your knowledge through simulations and quizzes. This app encourages critical thinking and offers a unique perspective on natural phenomena.

**Highlights:** Interactive 3D flat Earth model, Evidence and counterargument cards, Volcano and tsunami simulations, Knowledge-testing quizzes, Exploration of alternative theories

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Discovery Week | $6.99 | per 7 days |
| Discovery Week | $6.99 | per 7 days |
| One Year Explorer (50% OFF) | $24.99 | per year |
| One Year Explorer | $49.99 | per year |

**What reviewers like**

- 💡 Educational content with hands-on simulation tools
- 🎮 Interactive 3D flat earth model and quizzes
- 📚 Comprehensive information and resources
- ✨ Visually appealing design and interface
- 🔄 Smooth app performance overall

**What reviewers complain about**

- 💰 Expensive pricing ($7/month or $50/year)
- ❌ Misleading and inaccurate information
- 🤔 Misrepresents flat earth community arguments
- 🔒 Paywalls blocking access to content
- 🐛 Glitchy zoom functionality and texture issues

**Reported bugs**

- Glitchy zoom functionality on 3D model
- Wonky rotations on the globe visualization
- Texture quality needs improvement

**Requested features**

- Community chat room or discussion board
- Free or lower-cost access to content
- Better 3D model textures and polish
- Fix rotation glitches on the globe model
- More witnessable, observable evidence


## Frequently asked questions

### Is Planet Gravity free?

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

### Is Flataverse free?

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

### Do Planet Gravity or Flataverse have ads?

Neither Planet Gravity nor Flataverse shows ads.

### Which is updated more often, Planet Gravity or Flataverse?

Planet Gravity ships an update every 14 months, and Flataverse monthly. Most recently, Planet Gravity was updated on June 7, 2026 and Flataverse on September 24, 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.*