# iQuadratic vs Bond Yield Calculator

The clearest difference is price: iQuadratic at Free against Bond Yield Calculator's $0.99. iQuadratic also leads on update cadence (weekly vs every 3 months) and iOS requirement (15.6 vs 26.0). Bond Yield Calculator's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, review sentiment and ratings volume there is nothing between them.

iQuadratic is free to download; Bond Yield Calculator costs $0.99 up front. iQuadratic sells 1 one-off in-app purchase. Bond Yield Calculator 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 Bond Yield Calculator. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

iQuadratic ships an update weekly, Bond Yield Calculator every 3 months. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iQuadratic | Bond Yield Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/iquadratic/id827509213/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/bond-yield-calculator/id6476597484/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 8 MB | 2 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Cameron Armstrong](https://appshunter.io/developer/827485237) | [Amatino](https://appshunter.io/developer/1664965510) |

## 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 |


### Bond Yield Calculator

[App page](https://appshunter.io/ios/app/bond-yield-calculator/id6476597484)

This utility app calculates and visualizes the yield-to-maturity for bonds. It offers a fast and accurate calculation algorithm with strong input validation and user-friendly controls.

**Highlights:** Yield-to-maturity calculation, Visualization of bond yield, Fast and accurate algorithm, Robust input validation, Convenient controls

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is iQuadratic free?

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

### Is Bond Yield Calculator free?

Bond Yield Calculator costs $0.99, with no in-app purchases.

### Which has better reviews, iQuadratic or Bond Yield Calculator?

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

### Do iQuadratic or Bond Yield Calculator have ads?

iQuadratic shows ads; Bond Yield Calculator does not.

### Which is updated more often, iQuadratic or Bond Yield Calculator?

iQuadratic ships an update weekly, and Bond Yield Calculator every 3 months. Most recently, iQuadratic was updated on October 15, 2026 and Bond Yield Calculator on October 25, 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.*