# Planetary Sling vs Gravity Courier

The clearest difference is in-app purchases: Planetary Sling at none against Gravity Courier's 1. Planetary Sling also leads on ads (none vs shown) and update cadence (daily vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Gravity Courier sells 1 one-off in-app purchase. Planetary Sling asks for nothing beyond the download.

Planetary Sling ships an update daily, Gravity Courier every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Planetary Sling | Gravity Courier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 2 weeks |
| Size | 128 MB | 32 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Juuso Anttila](https://appshunter.io/developer/1841648411) | [Jegeon Jung](https://appshunter.io/developer/1825889536) |

## What reviewers say

### Planetary Sling

[App page](https://appshunter.io/ios/app/planetary-sling/id6760001806)

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

**In-app purchases:** none


### Gravity Courier

[App page](https://appshunter.io/ios/app/gravity-courier-orbit-puzzle/id6777101289)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고제거 | $1.99 | one-time |


## Frequently asked questions

### Is Planetary Sling free?

Planetary Sling is free to download, with no in-app purchases.

### Is Gravity Courier free?

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

### Do Planetary Sling or Gravity Courier have ads?

Gravity Courier shows ads; Planetary Sling does not.

### Which is updated more often, Planetary Sling or Gravity Courier?

Planetary Sling ships an update daily, and Gravity Courier every 2 weeks. Most recently, Planetary Sling was updated on October 25, 2026 and Gravity Courier on October 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.*