# UltraTap Delay vs Shimmer Delay Ambient Machine

The clearest difference is price: Shimmer Delay Ambient Machine at $6.99 against UltraTap Delay's $14.99. Shimmer Delay Ambient Machine also leads on rating (5.0 vs 4.8). UltraTap Delay's advantage is review sentiment (88% vs 67%) and update cadence (every 2 months vs every 5 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

UltraTap Delay costs $14.99 and Shimmer Delay Ambient Machine $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Shimmer Delay Ambient Machine 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 4, so its average is the more settled of the two. Written reviews complicate that: 88% of UltraTap Delay's written reviews are positive against 67% of Shimmer Delay Ambient Machine's, so the app with the better star average is not the one people write more warmly about.

UltraTap Delay ships an update every 2 months, Shimmer Delay Ambient Machine every 5 months. The most recent releases landed on September 8, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | UltraTap Delay | Shimmer Delay Ambient Machine |
| --- | --- | --- |
| Price | $14.99 | **$6.99** |
| Rating | [4.8 (20 ratings)](https://appshunter.io/ios/app/ultratap-delay/id1463784516/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/shimmer-delay-ambient-machine/id1559249944/reviews)** |
| Number of ratings | **20** | 4 |
| Positive reviews | **87.5% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Paid | Paid |
| Size | 23 MB | 34 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) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## 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


### Shimmer Delay Ambient Machine

[App page](https://appshunter.io/ios/app/shimmer-delay-ambient-machine/id1559249944)

Create expansive soundscapes with this app that blends reverb, pitch shifting, and feedback. It's ideal for guitars, keys, synths, and vocals, offering real-time control and optimized performance for ambient electronic music production.

**Highlights:** Reverb, pitch shifting, and feedback effects, Auto-swell for dynamic volume changes, Real-time parameter control, Optimized CPU usage, Standalone, AUv3, and IAA support

**Features:** 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 Shimmer Delay Ambient Machine free?

Shimmer Delay Ambient Machine costs $6.99, with no in-app purchases.

### Which has better reviews, UltraTap Delay or Shimmer Delay Ambient Machine?

Shimmer Delay Ambient Machine is rated higher. UltraTap Delay averages 4.8 out of 5 from 20 ratings, while Shimmer Delay Ambient Machine averages 5.0 from 4 ratings.

### Do UltraTap Delay or Shimmer Delay Ambient Machine have ads?

Neither UltraTap Delay nor Shimmer Delay Ambient Machine shows ads.

### Which is updated more often, UltraTap Delay or Shimmer Delay Ambient Machine?

UltraTap Delay ships an update every 2 months, and Shimmer Delay Ambient Machine every 5 months. Most recently, UltraTap Delay was updated on September 8, 2026 and Shimmer Delay Ambient Machine on September 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.*