# Tư Duy Số vs Phản Xạ Tri Thức

The clearest difference is ads: Tư Duy Số at none against Phản Xạ Tri Thức's shown. Tư Duy Số also leads on iOS requirement (13.0 vs 15.0). On price, 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.

## The numbers

| Metric | Tư Duy Số | Phản Xạ Tri Thức |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tu-duy-so/id6754550082/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 days |
| Monetization | Free | — |
| Size | 18 MB | 26 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Do Nam](https://appshunter.io/developer/1848808297) | [Duy Nguyen](https://appshunter.io/developer/1227361449) |

## What reviewers say

### Tư Duy Số

[App page](https://appshunter.io/ios/app/tu-duy-so/id6754550082)

Enhance your memory and focus with this brain training game. Challenge yourself to find numbers in ascending order quickly and accurately. It's designed to improve concentration and spatial thinking for users of all ages.

**Highlights:** Short-term memory training, Focus and concentration exercises, Spatial thinking development, Quick reflexes enhancement, Difficulty levels (10-100 numbers), Personal best time tracking, Hint system

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

**In-app purchases:** none


### Phản Xạ Tri Thức

[App page](https://appshunter.io/ios/app/phan-xa-tri-thuc/id6767856728)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tư Duy Số free?

Tư Duy Số is free to download, with no in-app purchases.

### Is Phản Xạ Tri Thức free?

Phản Xạ Tri Thức is free to download, with no in-app purchases.

### Do Tư Duy Số or Phản Xạ Tri Thức have ads?

Phản Xạ Tri Thức shows ads; Tư Duy Số does not.

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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.*