# ComboReduce vs RandN

The clearest difference is in-app purchases: RandN at none against ComboReduce's 2. RandN also leads on update cadence (every 4 weeks vs every 2 months). ComboReduce's advantage is 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. RandN asks for nothing beyond the download.

ComboReduce ships an update every 2 months, RandN every 4 weeks. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ComboReduce | RandN |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Freemium | — |
| Size | 3 MB | 2 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Didier ALCARAZ](https://appshunter.io/developer/1864570434) | [Dmitry Kozlov](https://appshunter.io/developer/1249298109) |

## What reviewers say

### 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 |


### RandN

[App page](https://appshunter.io/ios/app/randn/id6767178633)

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

**In-app purchases:** none


## Frequently asked questions

### Is ComboReduce free?

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

### Is RandN free?

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

### Do ComboReduce or RandN have ads?

Neither ComboReduce nor RandN shows ads.

### Which is updated more often, ComboReduce or RandN?

ComboReduce ships an update every 2 months, and RandN every 4 weeks. Most recently, ComboReduce was updated on October 9, 2026 and RandN on October 2, 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.*