# MAX AR立体书 vs Planet Gravity

The clearest difference is price: MAX AR立体书 at Free against Planet Gravity's $11.00. MAX AR立体书 also leads on in-app purchases (none vs 1) and ads (none vs shown). Planet Gravity's advantage is rating (4.2 vs 1.0) and ratings volume (54 vs 1). On device support there is nothing between them.

MAX AR立体书 is free to download; Planet Gravity costs $11.00 up front. Planet Gravity sells 1 one-off in-app purchase. MAX AR立体书 asks for nothing beyond the download.

Planet Gravity holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Planet Gravity has 54 ratings behind it against 1, so its average is the more settled of the two.

MAX AR立体书 ships an update daily, Planet Gravity every 4 months. The most recent releases landed on September 17, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | MAX AR立体书 | Planet Gravity |
| --- | --- | --- |
| Price | **Free** | $11.00 |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/max-ar/id1473939261/reviews) | **[4.2 (54 ratings)](https://appshunter.io/ios/app/planet-gravity-simulateorbit/id1566504157/reviews)** |
| Number of ratings | 1 | **54** |
| Positive reviews | — | 44.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 4 months |
| Monetization | **Free** | Paid |
| Size | 533 MB | 108 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing Octopus Tech Co. Ltd.](https://appshunter.io/developer/1084225553) | [Oscar Tsang](https://appshunter.io/developer/416987065) |

## What reviewers say

### MAX AR立体书

[App page](https://appshunter.io/ios/app/max-ar/id1473939261)

Experience classic fighter jets with augmented reality, transforming your space into a dynamic aerial battleground. Explore a futuristic fighter jet encyclopedia with pop-up models for an engaging educational experience.

**Highlights:** Augmented reality fighter jet models, Interactive aerial combat game, Futuristic fighter jet encyclopedia, Pop-up model displays, Educational科普 experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Planet Gravity

[App page](https://appshunter.io/ios/app/planet-gravity-simulateorbit/id1566504157)

Engage in a physics-based game simulating asteroid flight and solar system creation. Complete missions to explore the universe and pass the time. Discover other titles for freeform universe building.

**Highlights:** Physics-based gameplay, Asteroid simulation, Solar system creation, Level-based missions, Universe exploration

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Golden Pass | $2.99 | one-time |


## Frequently asked questions

### Is MAX AR立体书 free?

MAX AR立体书 is free to download, with no in-app purchases.

### Is Planet Gravity free?

Planet Gravity costs $11.00, and also offers in-app purchases.

### Which has better reviews, MAX AR立体书 or Planet Gravity?

Planet Gravity is rated higher. MAX AR立体书 averages 1.0 out of 5 from 1 ratings, while Planet Gravity averages 4.2 from 54 ratings.

### Do MAX AR立体书 or Planet Gravity have ads?

Planet Gravity shows ads; MAX AR立体书 does not.

### Which is updated more often, MAX AR立体书 or Planet Gravity?

MAX AR立体书 ships an update daily, and Planet Gravity every 4 months. Most recently, MAX AR立体书 was updated on September 17, 2026 and Planet Gravity on September 28, 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.*