# iTuningFork vs Sparkle

The clearest difference is review sentiment: Sparkle at 96% against iTuningFork's 0%. Sparkle also leads on rating (5.0 vs 1.6) and update cadence (every 6 weeks vs every 56 months). iTuningFork's advantage is price ($1.99 vs $9.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

iTuningFork costs $1.99 and Sparkle $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sparkle holds the better App Store score, 5.0 against 1.6. That said, the two scores are not equally well evidenced: Sparkle has 48 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of iTuningFork's written reviews are positive against 96% of Sparkle's.

iTuningFork ships an update every 56 months, Sparkle every 6 weeks. The most recent releases landed on October 16, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | iTuningFork | Sparkle |
| --- | --- | --- |
| Price | **$1.99** | $9.99 |
| Rating | [1.6 (5 ratings)](https://appshunter.io/ios/app/ituningfork-tone-generator/id600001658/reviews) | **[5.0 (48 ratings)](https://appshunter.io/ios/app/sparkle-cross-synthesis/id818477094/reviews)** |
| Number of ratings | 5 | **48** |
| Positive reviews | 0.0% of reviews | **95.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 3 MB | 37 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [apeSoft](https://appshunter.io/developer/464660782) |

## What reviewers say

### iTuningFork

[App page](https://appshunter.io/ios/app/ituningfork-tone-generator/id600001658)

This app generates various audio waveforms and frequencies for tuning musical instruments or testing electronic equipment. It offers selectable waveforms, adjustable frequencies, and features like looping tones and real-time volume/timbre editing.

**Highlights:** Selectable waveforms (sine, square, triangle, saw, white noise), Frequency range from 5Hz to 22000Hz, Instrument-specific tone scales, Looping tones with adjustable timeout, Real-time volume and timbre editing, 9-octave tone keyboard, Ultrasonic multifrequencies for pest repellent

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

**In-app purchases:** none


### Sparkle

[App page](https://appshunter.io/ios/app/sparkle-cross-synthesis/id818477094)

Transform audio by transferring the temporal structure of one sound to another while preserving spectral properties. Create unique sound transformations with advanced spectral hybridization algorithms. Ideal for musicians and sound designers seeking innovative audio manipulation.

**Highlights:** Spectral hybridization, Envelope preservation, Phase-sync processing, High-quality sound transformations, Temporal structure transfer, Spectral property preservation

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

**In-app purchases:** none


## Frequently asked questions

### Is iTuningFork free?

iTuningFork costs $1.99, with no in-app purchases.

### Is Sparkle free?

Sparkle costs $9.99, with no in-app purchases.

### Which has better reviews, iTuningFork or Sparkle?

Sparkle is rated higher. iTuningFork averages 1.6 out of 5 from 5 ratings, while Sparkle averages 5.0 from 48 ratings.

### Do iTuningFork or Sparkle have ads?

Neither iTuningFork nor Sparkle shows ads.

### Which is updated more often, iTuningFork or Sparkle?

iTuningFork ships an update every 56 months, and Sparkle every 6 weeks. Most recently, iTuningFork was updated on October 16, 2026 and Sparkle on October 21, 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.*