# Universe Fly vs GravityBall

The clearest difference is in-app purchases: Universe Fly at none against GravityBall's 9. GravityBall's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GravityBall sells 9 in-app purchases, starting at $2.99 per month. Universe Fly asks for nothing beyond the download.

Universe Fly ships an update every 2 months, GravityBall weekly. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Universe Fly | GravityBall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gravityball-the-lost-core/id6761017518/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 71 MB | 166 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHIH-CHEN FAN](https://appshunter.io/developer/1563674002) | [Null Software](https://appshunter.io/developer/1887332923) |

## What reviewers say

### Universe Fly

[App page](https://appshunter.io/ios/app/universe-fly/id6470925331)

**Features:** macOS Compatibility

**In-app purchases:** none


### GravityBall

[App page](https://appshunter.io/ios/app/gravityball-the-lost-core/id6761017518)

Guide an ancient artifact to escape an alien stronghold. Master unique magical abilities, navigate handcrafted levels, and customize your appearance. Experience a visually stunning journey with an original soundtrack.

**Highlights:** Master 6 unique abilities, 20 handcrafted levels, Stunning handmade visuals, Original soundtrack, Unlockable skins, One-time additional download

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pass | $2.99 | per month |
| 5000 Coin Bundle | $1.99 | one-time |
| 10k Coin Bundle | $2.99 | one-time |
| 25 Premium Crystals Bundle | $4.99 | one-time |
| 20k Coin Bundle | $4.99 | one-time |
| 50k Coint Bundle | $9.99 | one-time |
| 100 Premium Crystals Bundle | $17.99 | one-time |
| 250k Coin Bundle | $29.99 | one-time |
| 250 Premium Crystals Bundle | $39.99 | one-time |


## Frequently asked questions

### Is Universe Fly free?

Universe Fly is free to download, with no in-app purchases.

### Is GravityBall free?

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

### Do Universe Fly or GravityBall have ads?

Both Universe Fly and GravityBall show ads.

### Which is updated more often, Universe Fly or GravityBall?

Universe Fly ships an update every 2 months, and GravityBall weekly. Most recently, Universe Fly was updated on October 25, 2026 and GravityBall on October 8, 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.*