# 13's vs Pinea's PitterPatter Decimal

The clearest difference is price: 13's at Free against Pinea's PitterPatter Decimal's $4.99. 13's also leads on in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 21 months). Pinea's PitterPatter Decimal's advantage is ads (none vs shown). On device support there is nothing between them.

13's is free to download; Pinea's PitterPatter Decimal costs $4.99 up front. Pinea's PitterPatter Decimal sells 1 one-off in-app purchase. 13's asks for nothing beyond the download.

13's ships an update every 2 weeks, Pinea's PitterPatter Decimal every 21 months. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 13's | Pinea's PitterPatter Decimal |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.4 (38 ratings)](https://appshunter.io/ios/app/13s/id1469850816/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 53.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 21 months |
| Monetization | Ad-supported | — |
| Size | 11 MB | 57 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Spencer](https://appshunter.io/developer/1069663412) | [Tetsuyoshi Morikawa](https://appshunter.io/developer/430144969) |

## What reviewers say

### 13's

[App page](https://appshunter.io/ios/app/13s/id1469850816)

A relaxing number matching puzzle game where players drag tiles to make rows or columns add up to 13. It's designed to be engaging for extended play and is suitable for all ages, including being color blind friendly.

**Highlights:** Drag tiles onto the board, Make rows/columns add up to 13, Use trash can to remove tiles, Play until the board is full, Color blind friendly, Suitable for teaching counting

**Features:** Vision Pro support

**In-app purchases:** none


### Pinea's PitterPatter Decimal

[App page](https://appshunter.io/ios/app/pineas-pitterpatter-decimal/id1506535204)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additions | $0.99 | one-time |


## Frequently asked questions

### Is 13's free?

13's is free to download, with no in-app purchases.

### Is Pinea's PitterPatter Decimal free?

Pinea's PitterPatter Decimal costs $4.99, and also offers in-app purchases.

### Do 13's or Pinea's PitterPatter Decimal have ads?

13's shows ads; Pinea's PitterPatter Decimal does not.

### Which is updated more often, 13's or Pinea's PitterPatter Decimal?

13's ships an update every 2 weeks, and Pinea's PitterPatter Decimal every 21 months. Most recently, 13's was updated on October 25, 2026 and Pinea's PitterPatter Decimal 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.*