# Number Grid Challenge vs State Mapper

The clearest difference is ads: State Mapper at none against Number Grid Challenge's shown. State Mapper also leads on update cadence (daily vs every 4 days). Number Grid Challenge's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.6). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Number Grid Challenge ships an update every 4 days, State Mapper daily. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Number Grid Challenge | State Mapper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/state-mapper/id6754726537/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Daily** |
| Monetization | — | Free |
| Size | 38 MB | 3 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Davide Sardei](https://appshunter.io/developer/668430430) | [Jonathan Hesler](https://appshunter.io/developer/1849807375) |

## What reviewers say

### Number Grid Challenge

[App page](https://appshunter.io/ios/app/number-grid-challenge/id6453168573)

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

**In-app purchases:** none


### State Mapper

[App page](https://appshunter.io/ios/app/state-mapper/id6754726537)

Test your knowledge of U.S. geography with this interactive game. Guess states based on directional clues and aim for the fewest attempts to identify the randomly selected state.

**Highlights:** U.S. geography testing, Random state selection, Directional guessing clues, Minimize guess count, Interactive gameplay

**In-app purchases:** none


## Frequently asked questions

### Is Number Grid Challenge free?

Number Grid Challenge is free to download, with no in-app purchases.

### Is State Mapper free?

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

### Do Number Grid Challenge or State Mapper have ads?

Number Grid Challenge shows ads; State Mapper does not.

### Which is updated more often, Number Grid Challenge or State Mapper?

Number Grid Challenge ships an update every 4 days, and State Mapper daily. Most recently, Number Grid Challenge was updated on October 30, 2026 and State Mapper on October 24, 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.*