# River IQ 2 vs Chess Nine

The clearest difference is iOS requirement: River IQ 2 at 12.0 against Chess Nine's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. River IQ 2 sells 1 one-off in-app purchase and Chess Nine sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | River IQ 2 | Chess Nine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/river-iq-2-logic-test/id1222418191/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 43 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tiep Le](https://appshunter.io/developer/1193568863) | [Ivan de Jesus Rodriguez Tovar](https://appshunter.io/developer/6776365977) |

## What reviewers say

### River IQ 2

[App page](https://appshunter.io/ios/app/river-iq-2-logic-test/id1222418191)

Engage your mind with a collection of logic puzzles featuring simple graphics and intuitive controls. Solve intellectual challenges by manipulating objects and navigating them across a lake to reach new levels. Offers hints and solutions to aid your progress.

**Highlights:** Logic puzzles, Simple graphics, Easy interaction, Object manipulation, Hint system, Solution viewer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Gold | $0.99 | one-time |


### Chess Nine

[App page](https://appshunter.io/ios/app/chess-nine-chess-puzzles/id6799736882)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000 Coins | $1.99 | one-time |
| Remove Ads | $4.99 | one-time |
| 3,050 Coins | $5.99 | one-time |
| 6,600 Coins | $12.99 | one-time |
| 15,600 Coins | $29.99 | one-time |


## Frequently asked questions

### Is River IQ 2 free?

River IQ 2 is free to download, with in-app purchases available.

### Is Chess Nine free?

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

### Do River IQ 2 or Chess Nine have ads?

Both River IQ 2 and Chess Nine show 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.*