# SkyHighStack vs Loop Logic

The clearest difference is in-app purchases: SkyHighStack at none against Loop Logic's 10. SkyHighStack also leads on update cadence (daily vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Loop Logic sells 10 in-app purchases, starting at $1.99 per month. SkyHighStack asks for nothing beyond the download.

SkyHighStack ships an update daily, Loop Logic every 6 weeks. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SkyHighStack | Loop Logic |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 68 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Penn Curtis](https://appshunter.io/developer/1772733523) | [Takumi Yaguchi](https://appshunter.io/developer/1778206152) |

## What reviewers say

### SkyHighStack

[App page](https://appshunter.io/ios/app/skyhighstack/id6741442802)

**Features:** macOS Compatibility

**In-app purchases:** none


### Loop Logic

[App page](https://appshunter.io/ios/app/loop-logic/id6758883537)

Engage your mind with a logic puzzle game where you connect dots to form a single, continuous loop. Utilize number clues to solve over 30,000 handcrafted puzzles without any guesswork. Enjoy an ad-free, offline experience with various difficulty levels and an engaging Adventure Mode.

**Highlights:** Connect dots to form a single loop, Solve using number clues and logic, Over 30,000 handcrafted puzzles, Multiple board sizes and difficulty levels, Adventure Mode with daily challenges, Offline play, No ads

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Master Plan | $1.99 | per month |
| Legend Plan | $2.99 | per month |
| SP Pack Small | $0.99 | one-time |
| SP Pack Small (double) | $0.99 | one-time |
| SP Pack Medium | $2.99 | one-time |
| SP Pack Medium (double) | $2.99 | one-time |
| SP Pack Large | $6.99 | one-time |
| SP Pack Large (double) | $6.99 | one-time |
| SP Pack Extra | $14.99 | one-time |
| SP Pack Extra (double) | $14.99 | one-time |


## Frequently asked questions

### Is SkyHighStack free?

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

### Is Loop Logic free?

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

### Do SkyHighStack or Loop Logic have ads?

Neither SkyHighStack nor Loop Logic shows ads.

### Which is updated more often, SkyHighStack or Loop Logic?

SkyHighStack ships an update daily, and Loop Logic every 6 weeks. Most recently, SkyHighStack was updated on October 8, 2026 and Loop Logic on October 4, 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.*