# Serendipity Chess vs RD Grid Genius

The clearest difference is iOS requirement: Serendipity Chess at 18.0 against RD Grid Genius's 26.0. 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.

## The numbers

| Metric | Serendipity Chess | RD Grid Genius |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 67 MB | 8 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mingo Lam](https://appshunter.io/developer/1808874025) | [Raghul S](https://appshunter.io/developer/1344469407) |

## What reviewers say

### Serendipity Chess

[App page](https://appshunter.io/ios/app/serendipity-chess/id6744680166)

**In-app purchases:** none


### RD Grid Genius

[App page](https://appshunter.io/ios/app/rd-grid-genius/id6760827839)

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

**In-app purchases:** none


## Frequently asked questions

### Is Serendipity Chess free?

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

### Is RD Grid Genius free?

RD Grid Genius is free to download, with no in-app purchases.

### Do Serendipity Chess or RD Grid Genius have ads?

Neither Serendipity Chess nor RD Grid Genius shows ads.

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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.*