# Happy Link vs Sulor

The clearest difference is in-app purchases: Sulor at none against Happy Link's 7. Sulor also leads on update cadence (every 3 days vs every 20 months) and iOS requirement (12.0 vs 14.0). 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. Sulor asks for nothing beyond the download.

Happy Link ships an update every 20 months, Sulor every 3 days. The most recent releases landed on September 3, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Happy Link | Sulor |
| --- | --- | --- |
| 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 | 47 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chaohsien Lee](https://appshunter.io/developer/438073768) | [Dinh Ngoc Vung](https://appshunter.io/developer/1782522705) |

## 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 |


### Sulor

[App page](https://appshunter.io/ios/app/sulor/id6740389723)

**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 Sulor free?

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

### Do Happy Link or Sulor have ads?

Both Happy Link and Sulor show ads.

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

Happy Link ships an update every 20 months, and Sulor every 3 days. Most recently, Happy Link was updated on September 3, 2026 and Sulor on September 18, 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.*