# Harmonic Wave Equation Calc vs Degrees Calc

The clearest difference is price: Degrees Calc at Free against Harmonic Wave Equation Calc's $2.99. Degrees Calc also leads on update cadence (monthly vs every 31 months). Harmonic Wave Equation Calc's advantage is ads (none vs shown) and iOS requirement (13 vs 15.6). On rating, ratings volume, in-app purchases and device support there is nothing between them.

Degrees Calc is free to download; Harmonic Wave Equation Calc costs $2.99 up front. 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 Harmonic Wave Equation Calc against 5.0 for Degrees Calc. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Harmonic Wave Equation Calc ships an update every 31 months, Degrees Calc monthly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Harmonic Wave Equation Calc | Degrees Calc |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/harmonic-wave-equation-calc/id1412323951/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/degrees-calc/id1440395802/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 31 months | **Monthly** |
| Monetization | Paid | **Ad-supported** |
| Size | 1 MB | 15 MB |
| Requires iOS | **13** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Enes Akkus](https://appshunter.io/developer/1416782412) |

## What reviewers say

### Harmonic Wave Equation Calc

[App page](https://appshunter.io/ios/app/harmonic-wave-equation-calc/id1412323951)

This physics and math calculator quickly determines wave properties like displacement, velocity, and amplitude. It provides instant calculations with copyable results and includes reference formulas. Optimized for everyday use, it supports high precision and various units.

**Highlights:** Instant wave calculations, Copyable results, Included reference formulas, Supports 16 decimal places, Multiple unit support, Ad-free and private

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

**In-app purchases:** none


### Degrees Calc

[App page](https://appshunter.io/ios/app/degrees-calc/id1440395802)

Easily convert temperatures between various scales using formulas and a quick slide converter. Verify your conversions by entering values directly into the formula table.

**Highlights:** Temperature unit conversion formulas, Convert to and from Celsius, Formula table for verification, Slide converter for quick conversions, Supports multiple temperature scales

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Harmonic Wave Equation Calc free?

Harmonic Wave Equation Calc costs $2.99, with no in-app purchases.

### Is Degrees Calc free?

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

### Which has better reviews, Harmonic Wave Equation Calc or Degrees Calc?

Harmonic Wave Equation Calc and Degrees Calc are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Harmonic Wave Equation Calc or Degrees Calc have ads?

Degrees Calc shows ads; Harmonic Wave Equation Calc does not.

### Which is updated more often, Harmonic Wave Equation Calc or Degrees Calc?

Harmonic Wave Equation Calc ships an update every 31 months, and Degrees Calc monthly. Most recently, Harmonic Wave Equation Calc was updated on October 27, 2026 and Degrees Calc 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.*