# Concentration vs Simple Codes

The clearest difference is rating: Simple Codes at 5.0 against Concentration's 4.0. Concentration's advantage is iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Concentration costs $0.99 and Simple Codes $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Simple Codes holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Concentration | Simple Codes |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/concentration-card-game/id1462017368/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-codes/id6474884671/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Paid | Paid |
| Size | 2 MB | 1 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ankit Shah](https://appshunter.io/developer/1462017367) | [Joseph Palmer](https://appshunter.io/developer/914507761) |

## What reviewers say

### Concentration

[App page](https://appshunter.io/ios/app/concentration-card-game/id1462017368)

A classic memory matching card game where players flip cards to find pairs. It's suitable for all ages, offering a fun challenge for both children and adults to test their recall.

**Highlights:** Card matching gameplay, Memory testing, Solitaire or multiplayer, Challenging for adults, Good for children

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Codes

[App page](https://appshunter.io/ios/app/simple-codes/id6474884671)

Easily encode and decode messages in Pig Latin or ciphers. Simply paste your text, tap to transform it, and share your coded messages. This app is designed for fun and simple coded communication for all ages.

**Highlights:** Encode messages in Pig Latin, Decode messages from ciphers, Share coded messages, Paste messages for decoding, Simple user interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Concentration free?

Concentration costs $0.99, with no in-app purchases.

### Is Simple Codes free?

Simple Codes costs $0.99, with no in-app purchases.

### Which has better reviews, Concentration or Simple Codes?

Simple Codes is rated higher. Concentration averages 4.0 out of 5 from 1 ratings, while Simple Codes averages 5.0 from 1 ratings.

### Do Concentration or Simple Codes have ads?

Neither Concentration nor Simple Codes 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.*