# UB Founders vs Mathstroverse

The clearest difference is in-app purchases: UB Founders at none against Mathstroverse's 3. Mathstroverse's advantage is update cadence (every 6 weeks vs every 15 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mathstroverse sells 3 in-app purchases, starting at $3.99 per month. UB Founders asks for nothing beyond the download.

UB Founders ships an update every 15 months, Mathstroverse every 6 weeks. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | UB Founders | Mathstroverse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (13 ratings)](https://appshunter.io/ios/app/mathstroverse-learning-game/id6473455677/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 502 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Newbird LLC](https://appshunter.io/developer/1480239393) | [Stemlins Edu LLC](https://appshunter.io/developer/1511639713) |

## What reviewers say

### UB Founders

[App page](https://appshunter.io/ios/app/ub-founders/id1574361137)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mathstroverse

[App page](https://appshunter.io/ios/app/mathstroverse-learning-game/id6473455677)

This educational game makes learning math fun for 1st-5th graders through an engaging space adventure. Kids practice essential math skills like addition, subtraction, multiplication, and division while exploring planets and unlocking rewards. It offers personalized learning paths and progress tracking, making it a trusted companion for home or school.

**Highlights:** Grade-based math practice (1st-5th), Addition, subtraction, multiplication, division, Adventure-based gameplay with rewards, Personalized learning paths, Progress tracking and visual reports, Ad-free and kid-friendly environment

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Fuel | $3.99 | per month |
| Quarterly Fuel | $8.99 | per 3 months |
| Annual Fuel | $30.99 | per year |


## Frequently asked questions

### Is UB Founders free?

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

### Is Mathstroverse free?

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

### Do UB Founders or Mathstroverse have ads?

Neither UB Founders nor Mathstroverse shows ads.

### Which is updated more often, UB Founders or Mathstroverse?

UB Founders ships an update every 15 months, and Mathstroverse every 6 weeks. Most recently, UB Founders was updated on October 25, 2026 and Mathstroverse on October 18, 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.*