# Bullpen vs Null Pattern

The clearest difference is in-app purchases: Null Pattern at none against Bullpen's 1. Null Pattern also leads on update cadence (daily vs weekly) and iOS requirement (14.0 vs 17.2). Bullpen's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Bullpen sells 1 one-off in-app purchase. Null Pattern asks for nothing beyond the download.

Bullpen ships an update weekly, Null Pattern daily. The most recent releases landed on October 2, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Bullpen | Null Pattern |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.3K ratings)](https://appshunter.io/ios/app/bullpen-logic-puzzle-game/id6642673670/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 94.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 100 MB |
| Requires iOS | 17.2 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Williames](https://appshunter.io/developer/848810698) | [Peralysis Games](https://appshunter.io/developer/1670407582) |

## What reviewers say

### Bullpen

[App page](https://appshunter.io/ios/app/bullpen-logic-puzzle-game/id6642673670)

This logic puzzle game combines elements of Sudoku and Minesweeper. Place bulls according to specific rules, with increasing difficulty options. Enjoy daily challenges and an ad-free experience.

**Highlights:** Place one bull per pen, row, and column, Bulls cannot touch each other (diagonally included), Hard mode: two bulls per pen, row, and column, Ad-free and privacy-focused gameplay, Daily new puzzles, Pro Mode with 5,000+ levels and Free Play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $4.99 | one-time |

**What reviewers like**

- ✨ Excellent design and visuals
- 🧠 Smart and challenging puzzles
- 🕹️ Intuitive and responsive controls
- 🕰️ Relaxing gameplay with timer off
- 🔍 Helpful hint system

**What reviewers complain about**

- 🔒 Limited levels in free version
- 🎢 Leaderboards susceptible to cheating

**Reported bugs**

- Annoying bull sound effect
- Difficulty progression issues (needing to replay lower levels)

**Requested features**

- More levels for free version
- Auto-placement tool for faster solving
- Additional customization options (colors, markings)


### Null Pattern

[App page](https://appshunter.io/ios/app/null-pattern/id6759739934)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bullpen free?

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

### Is Null Pattern free?

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

### Do Bullpen or Null Pattern have ads?

Null Pattern shows ads; Bullpen does not.

### Which is updated more often, Bullpen or Null Pattern?

Bullpen ships an update weekly, and Null Pattern daily. Most recently, Bullpen was updated on October 2, 2026 and Null Pattern on September 27, 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.*