# Neurona vs Mathstack

The clearest difference is ads: Neurona at none against Mathstack's shown. Neurona also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). Mathstack's advantage is update cadence (every 11 days vs every 3 months). On price and in-app purchases there is nothing between them.

Both are free to download. Neurona sells 2 in-app purchases, starting at $3.99 per month and Mathstack sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Neurona ships an update every 3 months, Mathstack every 11 days. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Neurona | Mathstack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mathstack-sequence-puzzle/id6748113494/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 31 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Lucainson Raymond](https://appshunter.io/developer/1805397683) | [Hazerim Interactive Entertainment, UAB](https://appshunter.io/developer/1804702752) |

## What reviewers say

### Neurona

[App page](https://appshunter.io/ios/app/neurona-brain-mystery-puzzle/id6744674183)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Annual Subscription | $19.99 | per year |


### Mathstack

[App page](https://appshunter.io/ios/app/mathstack-sequence-puzzle/id6748113494)

A unique number puzzle game where you stack cards to form sequences. Strategically use temporary slots to clear the board and uncover hidden cards. Offers three difficulty levels for a tailored challenge.

**Highlights:** Sequence building gameplay, Strategic card stacking, Temporary slot management, Three difficulty levels, Uncover hidden cards

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads (Weekly) | $1.99 | per 7 days |
| No Ads (Monthly) | $5.99 | per month |
| No Ads (Lifetime) | $19.99 | one-time |


## Frequently asked questions

### Is Neurona free?

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

### Is Mathstack free?

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

### Do Neurona or Mathstack have ads?

Mathstack shows ads; Neurona does not.

### Which is updated more often, Neurona or Mathstack?

Neurona ships an update every 3 months, and Mathstack every 11 days. Most recently, Neurona was updated on October 25, 2026 and Mathstack on October 17, 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.*