# Memorize Numbers Challenge vs IQ React

The clearest difference is rating: IQ React at 5.0 against Memorize Numbers Challenge's 3.5. IQ React also leads on ads (none vs shown) and update cadence (weekly vs every 14 months). Memorize Numbers Challenge's advantage is iOS requirement (14.0 vs 18.5). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Memorize Numbers Challenge sells 2 one-off in-app purchases and IQ React sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

IQ React holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 8 and 5 respectively.

Memorize Numbers Challenge ships an update every 14 months, IQ React weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Memorize Numbers Challenge | IQ React |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (8 ratings)](https://appshunter.io/ios/app/memorize-numbers-challenge/id1639869844/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/iq-react/id6751012579/reviews)** |
| Number of ratings | **8** | 5 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 22 MB |
| Requires iOS | **14.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oguzhan Selcuk Bulbul](https://appshunter.io/developer/1605468143) | [Isaias Batista](https://appshunter.io/developer/1833119498) |

## What reviewers say

### Memorize Numbers Challenge

[App page](https://appshunter.io/ios/app/memorize-numbers-challenge/id1639869844)

Test your memory by memorizing random numbers shown for a limited time. As you succeed, the numbers get longer and more challenging. Compete with friends and exercise your brain with this engaging memory game.

**Highlights:** Memorize random numbers, Increasingly difficult levels, Timed memorization (3 seconds), Type numbers correctly, Challenge friends, Brain exercise

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Coins | $3.99 | one-time |
| 3000 Coins | $9.99 | one-time |


### IQ React

[App page](https://appshunter.io/ios/app/iq-react/id6751012579)

Enhance your cognitive abilities with a data-driven approach to neural efficiency. This app offers personalized daily workouts and advanced analytics to improve speed, focus, and reaction time. Train your brain with a minimalist, distraction-free interface.

**Highlights:** Personalized daily workouts, Advanced analytics, Six core neurological pillars tracking, Minimalist dark-mode interface, Streak tracking, Elite cognitive science games

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 USD Donation | $0.99 | one-time |
| 3 USD Donation | $2.99 | one-time |
| 5 USD Donation | $4.99 | one-time |
| 10 USD Donation | $9.99 | one-time |
| 99 USD Donation | $99.99 | one-time |


## Frequently asked questions

### Is Memorize Numbers Challenge free?

Memorize Numbers Challenge is free to download, with in-app purchases available.

### Is IQ React free?

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

### Which has better reviews, Memorize Numbers Challenge or IQ React?

IQ React is rated higher. Memorize Numbers Challenge averages 3.5 out of 5 from 8 ratings, while IQ React averages 5.0 from 5 ratings.

### Do Memorize Numbers Challenge or IQ React have ads?

Memorize Numbers Challenge shows ads; IQ React does not.

### Which is updated more often, Memorize Numbers Challenge or IQ React?

Memorize Numbers Challenge ships an update every 14 months, and IQ React weekly. Most recently, Memorize Numbers Challenge was updated on October 24, 2026 and IQ React 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.*