# 15 ﾠ vs Quadra

The clearest difference is in-app purchases: 15 ﾠ at none against Quadra's 3. 15 ﾠ also leads on update cadence (weekly vs every 6 weeks) and ratings volume (14 vs 1). Quadra's advantage is rating (5.0 vs 4.6). On price, ads and device support there is nothing between them.

Both are free to download. Quadra sells 3 one-off in-app purchases. 15 ﾠ asks for nothing beyond the download.

Quadra holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: 15 ﾠ has 14 ratings behind it against 1, so its average is the more settled of the two.

15 ﾠ ships an update weekly, Quadra every 6 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 15 ﾠ | Quadra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (14 ratings)](https://appshunter.io/ios/app/15/id863114572/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quadra-a-puzzle-game/id6776588348/reviews)** |
| Number of ratings | **14** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 120 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Denis Tokarev](https://appshunter.io/developer/716625840) | [XSGames](https://appshunter.io/developer/1725979641) |

## What reviewers say

### 15 ﾠ

[App page](https://appshunter.io/ios/app/15/id863114572)

A classic sliding tile puzzle game where you rearrange numbered tiles to achieve sequential order. Offers customizable colors and various board sizes for a personalized experience. Compete with others via Game Center leaderboards.

**Highlights:** Sliding tile puzzle gameplay, Customizable colors, Multiple board sizes (3x3 to 8x8), Game Center leaderboards, No ads or in-app purchases

**Features:** macOS Compatibility

**In-app purchases:** none


### Quadra

[App page](https://appshunter.io/ios/app/quadra-a-puzzle-game/id6776588348)

Test your logic with a minimalist puzzle game where you drag tiles to cover all dots on a grid. Enjoy 100 handcrafted levels with satisfying tactile gameplay and no timers. Play 50 levels for free or unlock the full game with a single in-app purchase.

**Highlights:** Minimalist design, 100 handcrafted levels, Dark mode support, Tactile gameplay, No timers or penalties, Brain-sharpening logic

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $0.99 | one-time |
| Full Game + Coffee | $3.99 | one-time |
| Full Game + Love | $6.99 | one-time |


## Frequently asked questions

### Is 15 ﾠ free?

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

### Is Quadra free?

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

### Which has better reviews, 15 ﾠ or Quadra?

Quadra is rated higher. 15 ﾠ averages 4.6 out of 5 from 14 ratings, while Quadra averages 5.0 from 1 ratings.

### Do 15 ﾠ or Quadra have ads?

Neither 15 ﾠ nor Quadra shows ads.

### Which is updated more often, 15 ﾠ or Quadra?

15 ﾠ ships an update weekly, and Quadra every 6 weeks. Most recently, 15 ﾠ was updated on November 1, 2026 and Quadra on October 31, 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.*