# MathCal vs Your Jarvis

The clearest difference is in-app purchases: Your Jarvis at none against MathCal's 1. MathCal's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MathCal sells 1 one-off in-app purchase. Your Jarvis asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | MathCal | Your Jarvis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/mathcal-mental-math-for-kids/id6748434662/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 344 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [StudyX G.K.](https://appshunter.io/developer/1451314118) | [Akkharasuchat Khotsiha](https://appshunter.io/developer/1840589091) |

## What reviewers say

### MathCal

[App page](https://appshunter.io/ios/app/mathcal-mental-math-for-kids/id6748434662)

This app offers interactive math practice for children through handwritten drills and Montessori-inspired lessons. It helps build a strong math foundation with daily challenges and progress tracking, designed for safe, independent use without ads.

**Highlights:** Handwritten calculation drills, Interactive Montessori lessons, Daily math challenges, Progress tracking with calendar stamps, Customizable question settings, Offline play, Ad-free experience

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Everything | $9.99 | one-time |


### Your Jarvis

[App page](https://appshunter.io/ios/app/your-jarvis/id6752806821)

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

**In-app purchases:** none


## Frequently asked questions

### Is MathCal free?

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

### Is Your Jarvis free?

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

### Do MathCal or Your Jarvis have ads?

Neither MathCal nor Your Jarvis shows ads.

### Which is updated more often, MathCal or Your Jarvis?

MathCal ships an update every 3 weeks, and Your Jarvis every 3 weeks. Most recently, MathCal was updated on October 30, 2026 and Your Jarvis on October 30, 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.*