# Sudoku 数独 vs Spring Sort

The clearest difference is in-app purchases: Sudoku 数独 at none against Spring Sort's 22. Sudoku 数独 also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Spring Sort's advantage is chart position (#133 vs unranked). On price, update cadence and device support there is nothing between them.

Both are free to download. Spring Sort sells 22 one-off in-app purchases. Sudoku 数独 asks for nothing beyond the download.

Sudoku 数独 ships an update every 6 weeks, Spring Sort every 4 weeks. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Sudoku 数独 | Spring Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (21K ratings)](https://appshunter.io/ios/app/spring-sort-sorting-puzzle-3d/id6747435794/reviews)** |
| Number of ratings | — | **21K** |
| Positive reviews | — | 39.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#133** |
| Size | 243 MB | 598 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Motivve Health Studios, LLC](https://appshunter.io/developer/1523373102) | [MOONEE PUBLISHING LTD](https://appshunter.io/developer/1469957859) |

## What reviewers say

### Sudoku 数独

[App page](https://appshunter.io/ios/app/sudoku/id1527453059)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spring Sort

[App page](https://appshunter.io/ios/app/spring-sort-sorting-puzzle-3d/id6747435794)

**Currently charting:** #133 Top Free · Puzzle (US App Store)

Engage your mind with a unique 3D puzzle game where you sort and stack colorful Slinky coils into matching tubes. Experience satisfying physics and strategic gameplay that challenges your logic while promoting relaxation.

**Highlights:** Satisfying Slinky physics, Color sorting and stacking, Strategic brain-training gameplay, Daily rewards and bonuses, Limited-time events with collectible items, Reward wheel and Piggy Bank for extra rewards, Free and VIP reward tracks

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

**In-app purchases (22)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heart Boost | $0.99 | one-time |
| Heart Surge | $1.99 | one-time |
| Pinch of Coins | $1.99 | one-time |
| chain_600c_1bs | $2.99 | one-time |
| Starter Bundle | $2.99 | one-time |
| Revive Pack | $3.99 | one-time |
| Piggy Bank | $4.99 | one-time |
| Beginner Bundle | $4.99 | one-time |
| No Ads | $4.99 | one-time |
| No Ads Pack 2 | $5.99 | one-time |
| No Ads Pack | $7.99 | one-time |
| Heart Storm | $7.99 | one-time |
| Spring Master | $9.99 | one-time |
| Season Pass | $9.99 | one-time |
| Master Bundle | $9.99 | one-time |
| Flower Master | $9.99 | one-time |
| Mega Pack | $19.99 | one-time |
| Ultra Pack | $39.99 | one-time |
| Slinky Grandmaster | $49.99 | one-time |
| Slinky Champion | $99.99 | one-time |
| Fortune of Coins | $99.99 | one-time |
| Legendary Pack | $99.99 | one-time |


## Frequently asked questions

### Is Sudoku 数独 free?

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

### Is Spring Sort free?

Spring Sort is free to download, with in-app purchases available.

### Do Sudoku 数独 or Spring Sort have ads?

Spring Sort shows ads; Sudoku 数独 does not.

### Which is updated more often, Sudoku 数独 or Spring Sort?

Sudoku 数独 ships an update every 6 weeks, and Spring Sort every 4 weeks. Most recently, Sudoku 数独 was updated on October 9, 2026 and Spring Sort on October 14, 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.*