# Solar System 3D vs Planet cards

The clearest difference is update cadence: Solar System 3D at every 2 weeks against Planet cards's every 9 months. Solar System 3D also leads on iOS requirement (4.3 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Solar System 3D sells 4 one-off in-app purchases and Planet cards sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Solar System 3D ships an update every 2 weeks, Planet cards every 9 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Solar System 3D | Planet cards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (31 ratings)](https://appshunter.io/ios/app/solar-system-3d/id681687550/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 67.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 351 MB |
| Requires iOS | **4.3** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZHIREN GUAN](https://appshunter.io/developer/400879572) | [Universo Body Planet S.L.](https://appshunter.io/developer/1373129960) |

## What reviewers say

### Solar System 3D

[App page](https://appshunter.io/ios/app/solar-system-3d/id681687550)

Explore our solar system in stunning 3D. Navigate through planets, moons, and celestial bodies, accessing detailed Wikipedia information. Experience realistic simulations of Earth's seasons, day-night cycles, and planetary motion.

**Highlights:** 3D space navigation, Full solar system model, Wikipedia information, Spinning and orbiting simulation, Earth's seasonal tilt, Day-night simulation, Real scale factors

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| High Definition Texture | $0.99 | one-time |
| Wallpaper Screenshot | $0.99 | one-time |
| Special Package Offer | $0.99 | one-time |


### Planet cards

[App page](https://appshunter.io/ios/app/planet-cards/id1596481804)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $19.99 | one-time |


## Frequently asked questions

### Is Solar System 3D free?

Solar System 3D is free to download, with in-app purchases available.

### Is Planet cards free?

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

### Do Solar System 3D or Planet cards have ads?

Neither Solar System 3D nor Planet cards shows ads.

### Which is updated more often, Solar System 3D or Planet cards?

Solar System 3D ships an update every 2 weeks, and Planet cards every 9 months. Most recently, Solar System 3D was updated on November 1, 2026 and Planet cards on November 3, 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.*