# Instituto JFR vs CalcuMathic

The clearest difference is in-app purchases: Instituto JFR at none against CalcuMathic's 3. CalcuMathic's advantage is update cadence (every 3 weeks vs every 37 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CalcuMathic sells 3 in-app purchases, starting at $0.99 per month. Instituto JFR asks for nothing beyond the download.

Instituto JFR ships an update every 37 months, CalcuMathic every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Instituto JFR | CalcuMathic |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 34 MB | 58 MB |
| Requires iOS | **14** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SCHOOL IBOX S.A.S. DE C.V.](https://appshunter.io/developer/1271228289) | [Ganvent SAC](https://appshunter.io/developer/1664995372) |

## What reviewers say

### Instituto JFR

[App page](https://appshunter.io/ios/app/instituto-jfr/id1622875423)

**Features:** macOS Compatibility

**In-app purchases:** none


### CalcuMathic

[App page](https://appshunter.io/ios/app/calcumathic-matematica/id6455174979)

This app provides a comprehensive collection of mathematical formulas, tools, and exercises for students of all levels. It aims to help users understand, comprehend, and improve their math skills with practical examples and a favorite formulas list. Covers a wide range of math disciplines from primary school to university.

**Highlights:** Extensive math formula library, Interactive mathematical tools, Practice exercises with examples, Favorite formulas list, Covers multiple math disciplines, Suitable for all educational levels

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcuMathic Premium 1 mes | $0.99 | per month |
| CalcuMathic Premium Anual | $2.99 | per year |
| Lifetime Ganvent Premium | $2.99 | one-time |


## Frequently asked questions

### Is Instituto JFR free?

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

### Is CalcuMathic free?

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

### Do Instituto JFR or CalcuMathic have ads?

Neither Instituto JFR nor CalcuMathic shows ads.

### Which is updated more often, Instituto JFR or CalcuMathic?

Instituto JFR ships an update every 37 months, and CalcuMathic every 3 weeks. Most recently, Instituto JFR was updated on November 3, 2026 and CalcuMathic on November 3, 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.*