# 好數字 vs Lotto Pattern Lab

The clearest difference is in-app purchases: Lotto Pattern Lab at none against 好數字's 1. Lotto Pattern Lab also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 好數字 sells 1 one-off in-app purchase. Lotto Pattern Lab asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 好數字 | Lotto Pattern Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Size | 4 MB | 74 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hsu Chia-cheng](https://appshunter.io/developer/1618067024) | [CHUAN JUI HUANG](https://appshunter.io/developer/1874289389) |

## What reviewers say

### 好數字

[App page](https://appshunter.io/ios/app/id1619727831)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove ad | $2.99 | one-time |


### Lotto Pattern Lab

[App page](https://appshunter.io/ios/app/lotto-pattern-lab/id6758667409)

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

**In-app purchases:** none


## Frequently asked questions

### Is 好數字 free?

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

### Is Lotto Pattern Lab free?

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

### Do 好數字 or Lotto Pattern Lab have ads?

好數字 shows ads; Lotto Pattern Lab does not.

### Which is updated more often, 好數字 or Lotto Pattern Lab?

好數字 ships an update weekly, and Lotto Pattern Lab weekly. Most recently, 好數字 was updated on October 27, 2026 and Lotto Pattern Lab on October 28, 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.*