# iformula vs HEC Academy

The clearest difference is in-app purchases: iformula at none against HEC Academy's 10. iformula also leads on update cadence (every 2 months vs every 15 months). HEC Academy's advantage is iOS requirement (15.5 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. HEC Academy sells 10 one-off in-app purchases. iformula asks for nothing beyond the download.

iformula ships an update every 2 months, HEC Academy every 15 months. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | iformula | HEC Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/iformula/id325337275/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 15 months |
| Monetization | Free | — |
| Size | 59 MB | 146 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tobias Werner](https://appshunter.io/developer/325337278) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### iformula

[App page](https://appshunter.io/ios/app/iformula/id325337275)

This app is a comprehensive math learning platform for students and professionals. It offers a vast library of over 1000 math equations and topics, along with features like search, note-taking, and bookmarking. It aims to eliminate the need for physical math textbooks.

**Highlights:** 1000+ math equations and topics, Full-featured search functionality, Note-taking system, Bookmarking for favorite equations, Dual language support (English & German), Dark mode support

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

**In-app purchases:** none


### HEC Academy

[App page](https://appshunter.io/ios/app/hec-academy/id6667113728)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AQ | $29.99 | one-time |
| Package - AV | $34.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - AX | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BH | $49.99 | one-time |


## Frequently asked questions

### Is iformula free?

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

### Is HEC Academy free?

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

### Do iformula or HEC Academy have ads?

Neither iformula nor HEC Academy shows ads.

### Which is updated more often, iformula or HEC Academy?

iformula ships an update every 2 months, and HEC Academy every 15 months. Most recently, iformula was updated on October 17, 2026 and HEC Academy on October 5, 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.*