# What Plane? vs Tone Generator+ Freq

The clearest difference is price: Tone Generator+ Freq at Free against What Plane?'s $8.09. Tone Generator+ Freq also leads on in-app purchases (none vs 1) and iOS requirement (17.0 vs 26.0). What Plane?'s advantage is ads (none vs shown). On rating, ratings volume, update cadence and device support there is nothing between them.

Tone Generator+ Freq is free to download; What Plane? costs $8.09 up front. What Plane? sells 1 in-app purchase, starting at $3.99 per month. Tone Generator+ Freq asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for What Plane? against 5.0 for Tone Generator+ Freq. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

What Plane? ships an update weekly, Tone Generator+ Freq every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | What Plane? | Tone Generator+ Freq |
| --- | --- | --- |
| Price | $8.09 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/what-plane/id6759160117/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/tone-generator-plus-freq/id6760830690/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Paid | **Ad-supported** |
| Size | 45 MB | 61 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [David Wilkinson](https://appshunter.io/developer/1877100944) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## What reviewers say

### What Plane?

[App page](https://appshunter.io/ios/app/what-plane/id6759160117)

Instantly identify aircraft overhead with this app. It offers a widget for quick glances and a live map for exploring nearby air traffic. View detailed information for planes within 30 nautical miles, with a unique compass ring for direction.

**Highlights:** Instant aircraft identification, Home Screen widget for quick access, Live map of nearby air traffic, Detailed aircraft information, Compass Ring bearing indicator, Customizable aircraft icons

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WhatPlane Pro | $3.99 | per month |


### Tone Generator+ Freq

[App page](https://appshunter.io/ios/app/tone-generator-plus-freq/id6760830690)

Generate a wide range of audio tones and noise, from pure sine waves to complex mixes. Features include frequency control, various waveforms, presets for specific uses like sleep or tinnitus, and tools for instrument tuning and speaker testing. The app allows tones to play in the background and offers a sleep timer.

**Highlights:** Generate tones from 1 Hz to 22 kHz, Sine, square, sawtooth, and triangle waveforms, White, pink, and brown noise generation, Preset tones for sleep, tinnitus, and brainwaves, Mixer for layering up to four tones, Frequency sweep functionality, Instrument tuner and water eject tool

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

**In-app purchases:** none


## Frequently asked questions

### Is What Plane? free?

What Plane? costs $8.09, and also offers in-app purchases.

### Is Tone Generator+ Freq free?

Tone Generator+ Freq is free to download, with no in-app purchases.

### Which has better reviews, What Plane? or Tone Generator+ Freq?

What Plane? and Tone Generator+ Freq are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do What Plane? or Tone Generator+ Freq have ads?

Tone Generator+ Freq shows ads; What Plane? does not.

### Which is updated more often, What Plane? or Tone Generator+ Freq?

What Plane? ships an update weekly, and Tone Generator+ Freq every 5 days. Most recently, What Plane? was updated on October 31, 2026 and Tone Generator+ Freq on October 31, 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.*