# RandomGen OKK vs ComboReduce

The clearest difference is in-app purchases: RandomGen OKK at none against ComboReduce's 2. ComboReduce's advantage is update cadence (every 2 months vs every 5 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. ComboReduce sells 2 in-app purchases, starting at $1.99 per month. RandomGen OKK asks for nothing beyond the download.

RandomGen OKK ships an update every 5 months, ComboReduce every 2 months. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | RandomGen OKK | ComboReduce |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/comboreduce/id6757107116/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 4 MB | 3 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ken Chen](https://appshunter.io/developer/1848158856) | [Didier ALCARAZ](https://appshunter.io/developer/1864570434) |

## What reviewers say

### RandomGen OKK

[App page](https://appshunter.io/ios/app/randomgen-okk/id6754390756)

**Features:** Vision Pro support

**In-app purchases:** none


### ComboReduce

[App page](https://appshunter.io/ios/app/comboreduce/id6757107116)

This tool helps organize and generate number grids for lotteries. It uses predefined combinatorial systems to reduce the number of grids based on your selected numbers. You can also check results against real draws.

**Highlights:** 5-number and 6-number formats, Select base numbers, Generate grids with predefined systems, Check results against real draws, Organize lottery numbers

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annual | $17.99 | per year |


## Frequently asked questions

### Is RandomGen OKK free?

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

### Is ComboReduce free?

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

### Do RandomGen OKK or ComboReduce have ads?

Neither RandomGen OKK nor ComboReduce shows ads.

### Which is updated more often, RandomGen OKK or ComboReduce?

RandomGen OKK ships an update every 5 months, and ComboReduce every 2 months. Most recently, RandomGen OKK was updated on October 6, 2026 and ComboReduce on October 9, 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.*