# Pilot Anti vs Harmonic Wave Equation Calc

The clearest difference is update cadence: Pilot Anti at every 10 months against Harmonic Wave Equation Calc's every 31 months. Pilot Anti also leads on iOS requirement (11.1 vs 13). On price, rating, ratings volume and ads there is nothing between them.

Pilot Anti costs $2.99 and Harmonic Wave Equation Calc $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 Pilot Anti against 5.0 for Harmonic Wave Equation Calc. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Pilot Anti ships an update every 10 months, Harmonic Wave Equation Calc every 31 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Pilot Anti | Harmonic Wave Equation Calc |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pilot-anti-icing/id974019999/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/harmonic-wave-equation-calc/id1412323951/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 31 months |
| Monetization | Paid | Paid |
| Size | 10 MB | 1 MB |
| Requires iOS | **11.1** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [2LA](https://appshunter.io/developer/914812601) | [Nitrio](https://appshunter.io/developer/321121189) |

## What reviewers say

### Pilot Anti

[App page](https://appshunter.io/ios/app/pilot-anti-icing/id974019999)

This app provides pilots and aviation professionals with instant access to aircraft ground de-icing holdover times based on FAA tables. It features a smart, avionics-inspired layout and a specialized keyboard for ease of use in cold weather operations.

**Highlights:** Instant holdover time calculation, Supports Generic Type 1, 2, and 4 fluids, FAA holdover time tables, Avionics-inspired smart layout, Smart keyboard for numeric input, Visibility vs. intensity toolbox

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Pilot Anti free?

Pilot Anti costs $2.99, with no in-app purchases.

### Is Harmonic Wave Equation Calc free?

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

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

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

### Do Pilot Anti or Harmonic Wave Equation Calc have ads?

Neither Pilot Anti nor Harmonic Wave Equation Calc shows ads.

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

Pilot Anti ships an update every 10 months, and Harmonic Wave Equation Calc every 31 months. Most recently, Pilot Anti was updated on November 1, 2026 and Harmonic Wave Equation Calc on November 2, 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.*