# TfxEcho vs Shimmer Delay Ambient Machine

The clearest difference is rating: Shimmer Delay Ambient Machine at 5.0 against TfxEcho's 4.7. TfxEcho's advantage is review sentiment (80% vs 67%) and chart position (#185 vs unranked). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

TfxEcho costs $4.99 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 4.7. Both are backed by a comparable volume of ratings — 12 and 4 respectively. Written reviews complicate that: 80% of TfxEcho'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.

TfxEcho ships an update every 3 months, Shimmer Delay Ambient Machine every 5 months. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | TfxEcho | Shimmer Delay Ambient Machine |
| --- | --- | --- |
| Price | **$4.99** | $6.99 |
| Rating | [4.7 (12 ratings)](https://appshunter.io/ios/app/tfxecho/id1523777426/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/shimmer-delay-ambient-machine/id1559249944/reviews)** |
| Number of ratings | **12** | 4 |
| Positive reviews | **80.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Paid | Paid |
| Best chart rank | **#185** | — |
| Size | 1 MB | 34 MB |
| Requires iOS | 13.5 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Togawa](https://appshunter.io/developer/1474193056) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## What reviewers say

### TfxEcho

[App page](https://appshunter.io/ios/app/tfxecho/id1523777426)

**Currently charting:** #185 Top Paid · Music (US App Store)

This audio plugin offers a warm, dark echo effect inspired by analog delay units. It allows for adjustable delay times, feedback, and filters, with modulation capabilities and tempo syncing. The plugin captures high-frequency signals for a versatile sound.

**Highlights:** Echo and delay effect, BBD-inspired delay lines, Adjustable delay time (20-1200 ms), Feedback control (0-100%), Low-pass and high-pass filters, Modulation rate and width, Tempo sync

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

**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 TfxEcho free?

TfxEcho costs $4.99, 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, TfxEcho or Shimmer Delay Ambient Machine?

Shimmer Delay Ambient Machine is rated higher. TfxEcho averages 4.7 out of 5 from 12 ratings, while Shimmer Delay Ambient Machine averages 5.0 from 4 ratings.

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

Neither TfxEcho nor Shimmer Delay Ambient Machine shows ads.

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

TfxEcho ships an update every 3 months, and Shimmer Delay Ambient Machine every 5 months. Most recently, TfxEcho was updated on September 20, 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.*