# Brain Training with Numbers vs Stoichiometry

The clearest difference is ads: Stoichiometry at none against Brain Training with Numbers's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Brain Training with Numbers sells 1 one-off in-app purchase and Stoichiometry sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Brain Training with Numbers | Stoichiometry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brain-training-with-numbers/id1516096715/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [宏斌 樊](https://appshunter.io/developer/1452129040) | [玉立 蔡](https://appshunter.io/developer/6798914513) |

## What reviewers say

### Brain Training with Numbers

[App page](https://appshunter.io/ios/app/brain-training-with-numbers/id1516096715)

Enhance memory, attention, and logic with this brain game. Memorize number sequences quickly and recall them to train your short-term numerical memory. Suitable for all ages, it offers progressive challenges to boost cognitive skills.

**Highlights:** Memory sequence memorization, Attention and concentration training, Logic thinking enhancement, Multiple difficulty levels, Offline standalone play, Cognitive skill improvement

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads. | $6.99 | one-time |


### Stoichiometry

[App page](https://appshunter.io/ios/app/stoichiometry-lab-calc/id6798973130)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent Reagent Library Unlock | $0.99 | one-time |


## Frequently asked questions

### Is Brain Training with Numbers free?

Brain Training with Numbers is free to download, with in-app purchases available.

### Is Stoichiometry free?

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

### Do Brain Training with Numbers or Stoichiometry have ads?

Brain Training with Numbers shows ads; Stoichiometry does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*