# Lotto Pattern Lab vs On99

Lotto Pattern Lab and On99 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Lotto Pattern Lab | On99 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 74 MB | 66 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| 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-analysis/id6783656236)

**Features:** macOS Compatibility, Vision Pro 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 weekly. Most recently, Lotto Pattern Lab was updated on October 10, 2026 and On99 on October 16, 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.*