# Lotto Pattern Lab vs On99

The clearest difference is update cadence: On99 at every 4 days against Lotto Pattern Lab's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lotto Pattern Lab ships an update weekly, On99 every 4 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Lotto Pattern Lab | On99 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 74 MB | 72 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [CHUAN JUI HUANG](https://appshunter.io/developer/1874289389) | [Ho Ngai Chan](https://appshunter.io/developer/467067681) |

## What reviewers say

### 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


### On99

[App page](https://appshunter.io/ios/app/on99-mark-six-your-way/id6783656236)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Lotto Pattern Lab free?

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

### Is On99 free?

On99 is free to download, with no in-app purchases.

### Do Lotto Pattern Lab or On99 have ads?

Neither Lotto Pattern Lab nor On99 shows ads.

### Which is updated more often, Lotto Pattern Lab or On99?

Lotto Pattern Lab ships an update weekly, and On99 every 4 days. Most recently, Lotto Pattern Lab was updated on October 28, 2026 and On99 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.*