# Sparkle vs yaleD

The clearest difference is price: yaleD at $1.99 against Sparkle's $9.99. yaleD also leads on update cadence (daily vs every 6 weeks) and iOS requirement (9.3 vs 17.0). On rating, review sentiment, ratings volume and ads there is nothing between them.

Sparkle costs $9.99 and yaleD $1.99 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 Sparkle against 4.9 for yaleD. Both are backed by a comparable volume of ratings — 48 and 24 respectively. Written reviews are what separate them: 96% of Sparkle's written reviews are positive against 100% of yaleD's.

Sparkle ships an update every 6 weeks, yaleD daily. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sparkle | yaleD |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | **[5.0 (48 ratings)](https://appshunter.io/ios/app/sparkle-cross-synthesis/id818477094/reviews)** | [4.9 (24 ratings)](https://appshunter.io/ios/app/yaled-reverse-delay/id1477503080/reviews) |
| Number of ratings | **48** | 24 |
| Positive reviews | 95.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Paid | Paid |
| Size | 37 MB | 13 MB |
| Requires iOS | 17.0 | **9.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [apeSoft](https://appshunter.io/developer/464660782) | [Sonosaurus LLC](https://appshunter.io/developer/338977569) |

## What reviewers say

### 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


### yaleD

[App page](https://appshunter.io/ios/app/yaled-reverse-delay/id1477503080)

This audio effect plugin creates a unique reverse delay sound. It offers detailed control over feedback, filtering, and timing, with options for synced beats or milliseconds. Ideal for musicians and producers seeking creative audio manipulation.

**Highlights:** Reverse delay audio effect, AUv3 plugin extension, Beat-synced or millisecond delay times, Feedback with cross-pan and filtering, Optional tape effect, One-Shot mode for triggered records, MIDI control and automation support

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

**In-app purchases:** none


## Frequently asked questions

### Is Sparkle free?

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

### Is yaleD free?

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

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

Sparkle is rated higher. Sparkle averages 5.0 out of 5 from 48 ratings, while yaleD averages 4.9 from 24 ratings.

### Do Sparkle or yaleD have ads?

Neither Sparkle nor yaleD shows ads.

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

Sparkle ships an update every 6 weeks, and yaleD daily. Most recently, Sparkle was updated on October 21, 2026 and yaleD on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*