# ComboReduce vs True Random Selector

The clearest difference is in-app purchases: True Random Selector at none against ComboReduce's 2. True Random Selector also leads on update cadence (monthly vs every 2 months). On price, ads, device support 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. True Random Selector asks for nothing beyond the download.

ComboReduce ships an update every 2 months, True Random Selector monthly. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ComboReduce | True Random Selector |
| --- | --- | --- |
| 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 | **Monthly** |
| Monetization | Freemium | — |
| Size | 3 MB | 34 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Didier ALCARAZ](https://appshunter.io/developer/1864570434) | [Toby Challis](https://appshunter.io/developer/1846961528) |

## 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 |


### True Random Selector

[App page](https://appshunter.io/ios/app/true-random-selector/id6757925119)

**In-app purchases:** none


## Frequently asked questions

### Is ComboReduce free?

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

### Is True Random Selector free?

True Random Selector is free to download, with no in-app purchases.

### Do ComboReduce or True Random Selector have ads?

Neither ComboReduce nor True Random Selector shows ads.

### Which is updated more often, ComboReduce or True Random Selector?

ComboReduce ships an update every 2 months, and True Random Selector monthly. Most recently, ComboReduce was updated on October 9, 2026 and True Random Selector on October 6, 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.*