# Odd Even vs State Mapper

The clearest difference is update cadence: State Mapper at daily against Odd Even's every 3 days. 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.

Odd Even ships an update every 3 days, State Mapper daily. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Odd Even | 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 | No | No |
| Update frequency | Every 3 days | **Daily** |
| Monetization | — | Free |
| Size | 10 MB | 3 MB |
| Requires iOS | **15** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sanjeev Gautam](https://appshunter.io/developer/1688707857) | [Jonathan Hesler](https://appshunter.io/developer/1849807375) |

## What reviewers say

### Odd Even

[App page](https://appshunter.io/ios/app/odd-even-merge/id6747301052)

**Features:** macOS Compatibility

**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 Odd Even free?

Odd Even 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 Odd Even or State Mapper have ads?

Neither Odd Even nor State Mapper shows ads.

### Which is updated more often, Odd Even or State Mapper?

Odd Even ships an update every 3 days, and State Mapper daily. Most recently, Odd Even was updated on October 5, 2026 and State Mapper 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.*