# Fast Math vs EqX

The clearest difference is review sentiment: EqX at 100% against Fast Math's 33%. On price, update cadence, ads 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.

Fast Math ships an update fortnightly, EqX every 8 days. The most recent releases landed on September 17, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Fast Math | EqX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (79 ratings)](https://appshunter.io/ios/app/fast-math-brain-training/id1539556236/reviews)** | — |
| Number of ratings | **79** | — |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 8 MB | 29 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhengzhou Sibo Intelligent Technology Co., Ltd.](https://appshunter.io/developer/803144645) | [Nithin Cherian](https://appshunter.io/developer/1753225725) |

## What reviewers say

### Fast Math

[App page](https://appshunter.io/ios/app/fast-math-brain-training/id1539556236)

Test your mental agility with rapid-fire math challenges. Quickly decide if presented equations are correct or incorrect under tight time constraints. It's a fast-paced game designed to sharpen your quick thinking and calculation skills.

**Highlights:** Rapid math problem solving, Time-sensitive judgments, Quick decision making, Brain training exercises, Simple interface

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### EqX

[App page](https://appshunter.io/ios/app/eqx-brain-training-math-game/id6739735556)

This app offers a challenging math puzzle adventure for all ages. Build formulas, hit target numbers, and test your skills with a variety of levels and operators. It's designed to sharpen math skills and provide a fun mental workout.

**Highlights:** Formula building, Target number challenges, Interactive keypad with advanced operators, Progressive difficulty levels, Achievements and leaderboards, Real-time feedback

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fast Math free?

Fast Math is free to download, with no in-app purchases.

### Is EqX free?

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

### Do Fast Math or EqX have ads?

Both Fast Math and EqX show ads.

### Which is updated more often, Fast Math or EqX?

Fast Math ships an update fortnightly, and EqX every 8 days. Most recently, Fast Math was updated on September 17, 2026 and EqX on June 1, 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.*