# Audio Techniques | Sound Math vs Deflection Calculator

The clearest difference is update cadence: Deflection Calculator at every 3 months against Audio Techniques | Sound Math's every 25 months. Deflection Calculator also leads on iOS requirement (14.0 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Audio Techniques | Sound Math against 5.0 for Deflection Calculator. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Audio Techniques | Sound Math ships an update every 25 months, Deflection Calculator every 3 months. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Audio Techniques | Sound Math | Deflection Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/audio-techniques-sound-math/id795976895/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/deflection-calculator/id1528914419/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 1 MB | 2 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Mickey](https://appshunter.io/developer/1506246434) | [Neill Mclachlan](https://appshunter.io/developer/1527884833) |

## What reviewers say

### Audio Techniques | Sound Math

[App page](https://appshunter.io/ios/app/audio-techniques-sound-math/id795976895)

This essential reference tool provides instant calculations for sound engineers, audio professionals, and students. It offers tools for wavelength and period, audio panning, and timecode to frame conversion, all without requiring an internet connection.

**Highlights:** Wavelength & Period Calculator, Audio Panning Calculator, Timecode vs Frames Converter, Adjustable frequency slider, Real-time dB conversions, Industry-standard frame rates

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

**In-app purchases:** none


### Deflection Calculator

[App page](https://appshunter.io/ios/app/deflection-calculator/id1528914419)

Calculate tube and roll straightener deflection with this app. Input key parameters like diameter and material properties to get accurate results in inches or millimeters. Access past calculations and machine-specific data.

**Highlights:** Deflection calculation, Input outside diameter, roll center, yield, and Young's modulus, Output in inches or millimeters, Unit selector (imperial/metric), History of past calculations, Pre-set roll center values for over 50 machines, Pre-set Young's modulus for 6 metals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Audio Techniques | Sound Math free?

Audio Techniques | Sound Math is free to download, with no in-app purchases.

### Is Deflection Calculator free?

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

### Which has better reviews, Audio Techniques | Sound Math or Deflection Calculator?

Audio Techniques | Sound Math and Deflection Calculator are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Audio Techniques | Sound Math or Deflection Calculator have ads?

Neither Audio Techniques | Sound Math nor Deflection Calculator shows ads.

### Which is updated more often, Audio Techniques | Sound Math or Deflection Calculator?

Audio Techniques | Sound Math ships an update every 25 months, and Deflection Calculator every 3 months. Most recently, Audio Techniques | Sound Math was updated on September 23, 2026 and Deflection Calculator on September 19, 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.*