# Shackleton Challenges vs SailGP

The clearest difference is update cadence: SailGP at every 3 weeks against Shackleton Challenges's every 2 months. SailGP also leads on iOS requirement (12.2 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Shackleton Challenges ships an update every 2 months, SailGP every 3 weeks. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Shackleton Challenges | SailGP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 52 MB | 199 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [THE SHACKLETON DESIGN AND MANUFACTURING COMPANY LTD](https://appshunter.io/developer/1817643197) | [Guestia Limited](https://appshunter.io/developer/1555241860) |

## What reviewers say

### Shackleton Challenges

[App page](https://appshunter.io/ios/app/shackleton-challenges/id6746647746)

**Features:** macOS Compatibility

**In-app purchases:** none


### SailGP

[App page](https://appshunter.io/ios/app/sailgp/id6751901250)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shackleton Challenges free?

Shackleton Challenges is free to download, with no in-app purchases.

### Is SailGP free?

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

### Do Shackleton Challenges or SailGP have ads?

Neither Shackleton Challenges nor SailGP shows ads.

### Which is updated more often, Shackleton Challenges or SailGP?

Shackleton Challenges ships an update every 2 months, and SailGP every 3 weeks. Most recently, Shackleton Challenges was updated on September 14, 2026 and SailGP on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*