# FFT vs Organ Tuner

The clearest difference is price: FFT at $10.99 against Organ Tuner's $169.99. FFT also leads on update cadence (every 4 months vs every 11 months). Organ Tuner's advantage is rating (4.8 vs 4.0) and in-app purchases (none vs 1). On ratings volume, ads and device support there is nothing between them.

FFT costs $10.99 and Organ Tuner $169.99 up front. FFT sells 1 one-off in-app purchase. Organ Tuner asks for nothing beyond the download.

Organ Tuner holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 86% of FFT's written reviews are positive against 100% of Organ Tuner's.

FFT ships an update every 4 months, Organ Tuner every 11 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | FFT | Organ Tuner |
| --- | --- | --- |
| Price | **$10.99** | $169.99 |
| Rating | [4.0 (6 ratings)](https://appshunter.io/ios/app/fft/id298840058/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/organ-tuner/id393104842/reviews)** |
| Number of ratings | **6** | 5 |
| Positive reviews | 86.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 11 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 31 MB | 5 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [Real-Time Specialties](https://appshunter.io/developer/335568332) |

## What reviewers say

### FFT

[App page](https://appshunter.io/ios/app/fft/id298840058)

Analyze audio with high-resolution frequency and amplitude graphs. Features include a signal generator, cursor readouts, and adjustable graph smoothing. Save and export your analysis results.

**Highlights:** High-resolution amplitude vs. frequency graph, Built-in low-distortion signal generator, Adjustable graph smoothing and decay time, Cursor readout for dB and frequency, Save and export analysis graphs and data, Peak tracking for highest frequency identification

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reference Curve Files | $9.99 | one-time |


### Organ Tuner

[App page](https://appshunter.io/ios/app/organ-tuner/id393104842)

This professional tool assists pipe organ builders and technicians in tuning and maintaining pipe organs. It offers precise tuning displays, temperature compensation, and calculations for pipe length, supporting a wide note range and historical temperaments.

**Highlights:** Wide note range (C0 to C9), MIDI control with Bluetooth, Handles mutation and Celeste ranks, Temperature compensation, Pipe cutoff calculation, Precision phase and spectrum displays, Supports historical temperaments

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FFT free?

FFT costs $10.99, and also offers in-app purchases.

### Is Organ Tuner free?

Organ Tuner costs $169.99, with no in-app purchases.

### Which has better reviews, FFT or Organ Tuner?

Organ Tuner is rated higher. FFT averages 4.0 out of 5 from 6 ratings, while Organ Tuner averages 4.8 from 5 ratings.

### Do FFT or Organ Tuner have ads?

Neither FFT nor Organ Tuner shows ads.

### Which is updated more often, FFT or Organ Tuner?

FFT ships an update every 4 months, and Organ Tuner every 11 months. Most recently, FFT was updated on November 6, 2026 and Organ Tuner on November 1, 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.*