# Mechanical Formula vs Easy ECG Learn

The clearest difference is price: Mechanical Formula at Free against Easy ECG Learn's $0.99. Easy ECG Learn's advantage is in-app purchases (none vs 1) and update cadence (every 6 weeks vs every 4 months). On ads, device support and iOS requirement there is nothing between them.

Mechanical Formula is free to download; Easy ECG Learn costs $0.99 up front. Mechanical Formula sells 1 one-off in-app purchase. Easy ECG Learn asks for nothing beyond the download.

Mechanical Formula ships an update every 4 months, Easy ECG Learn every 6 weeks. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Mechanical Formula | Easy ECG Learn |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (34 ratings)](https://appshunter.io/ios/app/mechanical-formula/id1668948373/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 4 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [健文 童](https://appshunter.io/developer/1585747696) |

## What reviewers say

### Mechanical Formula

[App page](https://appshunter.io/ios/app/mechanical-formula/id1668948373)

This app provides over 200 essential mechanical engineering formulas and calculations in a user-friendly tool. It's designed to simplify complex concepts and speed up problem-solving for students, professionals, and educators.

**Highlights:** 200+ mechanical engineering formulas, Instant calculations, Intuitive interface, Real-world application explanations, Exam preparation aid, Lifetime Premium option

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $9.99 | one-time |


### Easy ECG Learn

[App page](https://appshunter.io/ios/app/easy-ecg-learn/id6771305630)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mechanical Formula free?

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

### Is Easy ECG Learn free?

Easy ECG Learn costs $0.99, with no in-app purchases.

### Do Mechanical Formula or Easy ECG Learn have ads?

Neither Mechanical Formula nor Easy ECG Learn shows ads.

### Which is updated more often, Mechanical Formula or Easy ECG Learn?

Mechanical Formula ships an update every 4 months, and Easy ECG Learn every 6 weeks. Most recently, Mechanical Formula was updated on October 6, 2026 and Easy ECG Learn on October 15, 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.*