# UltraTap Delay vs Kalimba Keys

The clearest difference is price: Kalimba Keys at $4.99 against UltraTap Delay's $14.99. Kalimba Keys also leads on rating (5.0 vs 4.8) and review sentiment (100% vs 88%). UltraTap Delay's advantage is update cadence (every 2 months vs every 6 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

UltraTap Delay costs $14.99 and Kalimba Keys $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kalimba Keys holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 20 and 14 respectively. Written reviews point the same way: 88% of UltraTap Delay's written reviews are positive against 100% of Kalimba Keys's.

UltraTap Delay ships an update every 2 months, Kalimba Keys every 6 months. The most recent releases landed on September 8, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | UltraTap Delay | Kalimba Keys |
| --- | --- | --- |
| Price | $14.99 | **$4.99** |
| Rating | [4.8 (20 ratings)](https://appshunter.io/ios/app/ultratap-delay/id1463784516/reviews) | **[5.0 (14 ratings)](https://appshunter.io/ios/app/kalimba-keys/id6474580189/reviews)** |
| Number of ratings | **20** | 14 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Paid | Paid |
| Size | 23 MB | 112 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eventide](https://appshunter.io/developer/546518026) | [OSC Audio](https://appshunter.io/developer/1693533681) |

## 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


### Kalimba Keys

[App page](https://appshunter.io/ios/app/kalimba-keys/id6474580189)

This app offers a realistic and expressive Kalimba instrument experience with studio-quality sound. It features detailed sampling, a variety of built-in effects, and cross-platform preset management for seamless creativity.

**Highlights:** Individually-sampled Kalimba notes, Multiple Kalimba sound variations, Modulation and Space & Time FX, Adjustable effects order, 35 included presets, Cross-platform preset sharing, Standalone app and AUv3 compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is UltraTap Delay free?

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

### Is Kalimba Keys free?

Kalimba Keys costs $4.99, with no in-app purchases.

### Which has better reviews, UltraTap Delay or Kalimba Keys?

Kalimba Keys is rated higher. UltraTap Delay averages 4.8 out of 5 from 20 ratings, while Kalimba Keys averages 5.0 from 14 ratings.

### Do UltraTap Delay or Kalimba Keys have ads?

Neither UltraTap Delay nor Kalimba Keys shows ads.

### Which is updated more often, UltraTap Delay or Kalimba Keys?

UltraTap Delay ships an update every 2 months, and Kalimba Keys every 6 months. Most recently, UltraTap Delay was updated on September 8, 2026 and Kalimba Keys on September 7, 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.*