# UltraTap Delay vs Hark

The clearest difference is price: Hark at Free against UltraTap Delay's $14.99. Hark also leads on update cadence (every 4 days vs every 2 months) and rating (5.0 vs 4.8). UltraTap Delay's advantage is in-app purchases (none vs 1) and ratings volume (20 vs 1). On ads there is nothing between them.

Hark is free to download; UltraTap Delay costs $14.99 up front. Hark sells 1 one-off in-app purchase. UltraTap Delay asks for nothing beyond the download.

Hark holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: UltraTap Delay has 20 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 88% of UltraTap Delay's written reviews are positive against 100% of Hark's.

UltraTap Delay ships an update every 2 months, Hark every 4 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | UltraTap Delay | Hark |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | [4.8 (20 ratings)](https://appshunter.io/ios/app/ultratap-delay/id1463784516/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hark-ear-training/id6809023239/reviews)** |
| Number of ratings | **20** | 1 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Paid | **Freemium** |
| Size | 23 MB | 11 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Eventide](https://appshunter.io/developer/546518026) | [Ilia Usatov](https://appshunter.io/developer/1868442271) |

## What reviewers say

### UltraTap Delay

[App page](https://appshunter.io/ios/app/ultratap-delay/id1463784516)

Create rhythmic delays, glitchy reverbs, and evolving soundscapes with up to 64 taps. This app offers unique controls for shaping sound, including LFOs, envelopes, and a "Slurm" control for smearing and modulation. Explore over 150 inspiring presets and innovative performance features.

**Highlights:** Up to 64 taps for complex delays, Spread knob for rhythmic spacing, LFOs and envelopes for stutter effects, Slurm control for unique modulation, Stereo image control, Over 150 presets, Ribbon and Hotswitch controls

**In-app purchases:** none


### Hark

[App page](https://appshunter.io/ios/app/hark-ear-training/id6809023239)

This app trains musicians to identify notes within a musical key, focusing on their relationship to the tonic. It offers various training modes, including single notes, melodies, and chord progressions, with hands-free operation for convenient practice.

**Highlights:** Identify notes as scale degrees, Hands-free training mode, Multiple training modes (degrees, melodies, chords, progressions), Visual staff with colored notes, Explore any note in any key, Multiple instrument sounds

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hark Pro | $19.99 | one-time |


## Frequently asked questions

### Is UltraTap Delay free?

UltraTap Delay costs $14.99, with no in-app purchases.

### Is Hark free?

Hark is free to download, with in-app purchases available.

### Which has better reviews, UltraTap Delay or Hark?

Hark is rated higher. UltraTap Delay averages 4.8 out of 5 from 20 ratings, while Hark averages 5.0 from 1 ratings.

### Do UltraTap Delay or Hark have ads?

Neither UltraTap Delay nor Hark shows ads.

### Which is updated more often, UltraTap Delay or Hark?

UltraTap Delay ships an update every 2 months, and Hark every 4 days. Most recently, UltraTap Delay was updated on October 14, 2026 and Hark on October 11, 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.*