# iQuadratic vs Elecbrakes

iQuadratic and Elecbrakes both sit at 5.0 stars, but that hides the real split: 100% of iQuadratic's written reviews are positive against 62% of Elecbrakes's. iQuadratic also leads on update cadence (weekly vs every 3 months) and device support (3 vs 1). Elecbrakes's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, rating, ratings volume and iOS requirement there is nothing between them.

Both are free to download. iQuadratic sells 1 one-off in-app purchase. Elecbrakes asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for iQuadratic against 5.0 for Elecbrakes. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 100% of iQuadratic's written reviews are positive against 62% of Elecbrakes's.

iQuadratic ships an update weekly, Elecbrakes every 3 months. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iQuadratic | Elecbrakes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/iquadratic/id827509213/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/elecbrakes/id1146355023/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **100.0% of reviews** | 61.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 96 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cameron Armstrong](https://appshunter.io/developer/827485237) | [Elecbrakes Pty Limited](https://appshunter.io/developer/1146355022) |

## What reviewers say

### iQuadratic

[App page](https://appshunter.io/ios/app/iquadratic/id827509213)

Instantly solve quadratic equations with this utility. It supports complex numbers and provides quick solutions, eliminating the need for manual calculations.

**Highlights:** Instant solutions, Supports complex numbers, Eliminates manual calculation, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad removal | $0.99 | one-time |


### Elecbrakes

[App page](https://appshunter.io/ios/app/elecbrakes/id1146355023)

Control and monitor your trailer's braking system wirelessly from your smartphone. Customize braking profiles, receive instant status updates, and enjoy a safer, more responsive towing experience.

**Highlights:** Wireless Bluetooth connectivity, Customizable braking profiles, Real-time system status monitoring, User-friendly setup guide, Superior brake response control, Regular feature updates

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

**In-app purchases:** none


## Frequently asked questions

### Is iQuadratic free?

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

### Is Elecbrakes free?

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

### Which has better reviews, iQuadratic or Elecbrakes?

iQuadratic and Elecbrakes are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do iQuadratic or Elecbrakes have ads?

iQuadratic shows ads; Elecbrakes does not.

### Which is updated more often, iQuadratic or Elecbrakes?

iQuadratic ships an update weekly, and Elecbrakes every 3 months. Most recently, iQuadratic was updated on October 15, 2026 and Elecbrakes on October 24, 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.*