# T15 Controller vs Pitch Hunter

The clearest difference is update cadence: Pitch Hunter at every 2 days against T15 Controller's every 9 months. T15 Controller's advantage is iOS requirement (11.3 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

T15 Controller ships an update every 9 months, Pitch Hunter every 2 days. The most recent releases landed on September 28, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | T15 Controller | Pitch Hunter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pitch-hunter/id6762569409/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 10 MB | 1 MB |
| Requires iOS | **11.3** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Advanced Telemetry Systems, Inc.](https://appshunter.io/developer/1472426237) | [Jared Grover](https://appshunter.io/developer/1894706722) |

## What reviewers say

### T15 Controller

[App page](https://appshunter.io/ios/app/t15-controller/id1472426238)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pitch Hunter

[App page](https://appshunter.io/ios/app/pitch-hunter/id6762569409)

This app transforms your iPhone into a sophisticated audio analysis tool. It detects and displays sound frequencies, identifies notes, and visualizes energy across the spectrum in real-time. It also features sound generation, pest repelling, and a library of animal calls.

**Highlights:** Real-time spectrogram with peak-hold pitch tracker, Band presets for various ultrasonic frequencies, Built-in classifier for common ultrasonic sounds, Tone generation with multiple waveforms (20 Hz - 22 kHz), Automated hearing test and room resonance finder, Ultrasonic pest repeller with adjustable settings, Library of animal calls organized by region

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is T15 Controller free?

T15 Controller is free to download, with no in-app purchases.

### Is Pitch Hunter free?

Pitch Hunter is free to download, with no in-app purchases.

### Do T15 Controller or Pitch Hunter have ads?

Neither T15 Controller nor Pitch Hunter shows ads.

### Which is updated more often, T15 Controller or Pitch Hunter?

T15 Controller ships an update every 9 months, and Pitch Hunter every 2 days. Most recently, T15 Controller was updated on September 28, 2026 and Pitch Hunter on September 15, 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.*