# Happy Link vs NumberSkeleton

The clearest difference is in-app purchases: NumberSkeleton at none against Happy Link's 7. NumberSkeleton also leads on update cadence (every 3 days vs every 20 months). Happy Link's advantage is iOS requirement (14.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Happy Link sells 7 one-off in-app purchases. NumberSkeleton asks for nothing beyond the download.

Happy Link ships an update every 20 months, NumberSkeleton every 3 days. The most recent releases landed on September 3, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Happy Link | NumberSkeleton |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (41 ratings)](https://appshunter.io/ios/app/happy-link-two-dots/id929893049/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 92.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 20 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 7 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chaohsien Lee](https://appshunter.io/developer/438073768) | [Kenichi Nakagawa](https://appshunter.io/developer/1831663034) |

## What reviewers say

### Happy Link

[App page](https://appshunter.io/ios/app/happy-link-two-dots/id929893049)

Connect matching colored dots by drawing lines across a grid, filling the entire space without crossing. Offers over 2500 puzzles with various modes and level packs. Enjoy solo or multiplayer challenges with hints and progress syncing.

**Highlights:** Connect matching dots, Fill entire grid, Over 2500 unique puzzles, Multiple game modes, Multiplayer option, Hints and iCloud sync

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RemoveAds | $0.99 | one-time |
| 5 Hints | $0.99 | one-time |
| Mania 14x14 15x15 | $0.99 | one-time |
| Just Can't Stop | $0.99 | one-time |
| 17 Hints | $2.99 | one-time |
| 37 Hints | $5.99 | one-time |
| 77 Hints | $10.99 | one-time |


### NumberSkeleton

[App page](https://appshunter.io/ios/app/numberskeleton/id6749665224)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Happy Link free?

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

### Is NumberSkeleton free?

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

### Do Happy Link or NumberSkeleton have ads?

Both Happy Link and NumberSkeleton show ads.

### Which is updated more often, Happy Link or NumberSkeleton?

Happy Link ships an update every 20 months, and NumberSkeleton every 3 days. Most recently, Happy Link was updated on September 3, 2026 and NumberSkeleton on September 22, 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.*