# Too Fast Too Slow vs IQ React

The clearest difference is rating: IQ React at 5.0 against Too Fast Too Slow's 4.0. IQ React also leads on monetization model (free vs free with in-app purchases). Too Fast Too Slow's advantage is update cadence (every 2 days vs weekly) and iOS requirement (16.1 vs 18.5). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Too Fast Too Slow sells 1 one-off in-app purchase 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 4.0. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Too Fast Too Slow ships an update every 2 days, IQ React weekly. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Too Fast Too Slow | IQ React |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/too-fast-too-slow/id6471321976/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/iq-react/id6751012579/reviews)** |
| Number of ratings | 4 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 22 MB |
| Requires iOS | **16.1** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [1418 Technologies](https://appshunter.io/developer/1700984429) | [Isaias Batista](https://appshunter.io/developer/1833119498) |

## What reviewers say

### Too Fast Too Slow

[App page](https://appshunter.io/ios/app/too-fast-too-slow/id6471321976)

Test your reaction skills in this addictive timing challenge. Stop a timer precisely on 100 to achieve perfect scores. Unlock power-ups to aid your precision and compete with others.

**Highlights:** Precision timing challenge, Stop timer on 100, Unlockable power-ups, Score comparison, Sleek modern design, Endless gameplay

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slo-Mo Three Pack | $0.99 | 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 Too Fast Too Slow free?

Too Fast Too Slow 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, Too Fast Too Slow or IQ React?

IQ React is rated higher. Too Fast Too Slow averages 4.0 out of 5 from 4 ratings, while IQ React averages 5.0 from 5 ratings.

### Do Too Fast Too Slow or IQ React have ads?

Neither Too Fast Too Slow nor IQ React shows ads.

### Which is updated more often, Too Fast Too Slow or IQ React?

Too Fast Too Slow ships an update every 2 days, and IQ React weekly. Most recently, Too Fast Too Slow was updated on October 8, 2026 and IQ React on October 11, 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.*