# Math Sphere vs MSRX AI Calculator

The clearest difference is update cadence: Math Sphere at every 3 weeks against MSRX AI Calculator's every 6 months. Math Sphere also leads on iOS requirement (13.0 vs 26.2). On price, ads, 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.

Math Sphere ships an update every 3 weeks, MSRX AI Calculator every 6 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Math Sphere | MSRX AI Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Size | 25 MB | 7 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [otsuki hayato](https://appshunter.io/developer/1828600192) | [Mrinal Singh Raja](https://appshunter.io/developer/1879524280) |

## What reviewers say

### Math Sphere

[App page](https://appshunter.io/ios/app/math-sphere/id6749747366)

**Features:** macOS Compatibility

**In-app purchases:** none


### MSRX AI Calculator

[App page](https://appshunter.io/ios/app/msrx-ai-calculator/id6759639887)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Sphere free?

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

### Is MSRX AI Calculator free?

MSRX AI Calculator is free to download, with no in-app purchases.

### Do Math Sphere or MSRX AI Calculator have ads?

Neither Math Sphere nor MSRX AI Calculator shows ads.

### Which is updated more often, Math Sphere or MSRX AI Calculator?

Math Sphere ships an update every 3 weeks, and MSRX AI Calculator every 6 months. Most recently, Math Sphere was updated on October 30, 2026 and MSRX AI Calculator on October 25, 2026.

---

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