# SSTUWA vs Numero Maths

The clearest difference is in-app purchases: SSTUWA at none against Numero Maths's 1. SSTUWA also leads on update cadence (every 2 days vs every 6 weeks). Numero Maths's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Numero Maths sells 1 in-app purchase, starting at $14.95 per year. SSTUWA asks for nothing beyond the download.

SSTUWA ships an update every 2 days, Numero Maths every 6 weeks. The most recent releases landed on September 10, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | SSTUWA | Numero Maths |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 58.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 169 MB | 146 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Union Systems Pty Ltd](https://appshunter.io/developer/571562885) | [Numero Maths Pty Ltd](https://appshunter.io/developer/1703905546) |

## What reviewers say

### SSTUWA

[App page](https://appshunter.io/ios/app/sstuwa/id1114227610)

**Features:** macOS Compatibility

**In-app purchases:** none


### Numero Maths

[App page](https://appshunter.io/ios/app/numero-maths/id6463063147)

This app digitizes a classic card game to help users of all ages improve their math skills. It offers various game modes, including solitaire, one-on-one, and multiplayer, with adjustable difficulty levels. It's designed to make learning addition, subtraction, multiplication, division, and fractions engaging and fun.

**Highlights:** Digital classic card game, Solitaire, one-on-one, and multiplayer modes, Adjustable difficulty levels, Addition, subtraction, multiplication, division, fractions, AI bot and player vs. player competition, Progress tracking for schools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $14.95 | per year |


## Frequently asked questions

### Is SSTUWA free?

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

### Is Numero Maths free?

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

### Do SSTUWA or Numero Maths have ads?

Neither SSTUWA nor Numero Maths shows ads.

### Which is updated more often, SSTUWA or Numero Maths?

SSTUWA ships an update every 2 days, and Numero Maths every 6 weeks. Most recently, SSTUWA was updated on September 10, 2026 and Numero Maths on September 16, 2026.

---

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