# TriKey vs TfxEcho

The clearest difference is price: TfxEcho at $4.99 against TriKey's $9.99. TfxEcho also leads on device support (3 vs 1). TriKey's advantage is update cadence (every 2 months vs every 3 months). On ads, in-app purchases and iOS requirement there is nothing between them.

TriKey costs $9.99 and TfxEcho $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TriKey ships an update every 2 months, TfxEcho every 3 months. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TriKey | TfxEcho |
| --- | --- | --- |
| Price | $9.99 | **$4.99** |
| Rating | — | **[4.7 (12 ratings)](https://appshunter.io/ios/app/tfxecho/id1523777426/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Paid |
| Size | 5 MB | 1 MB |
| Requires iOS | **12.0** | 13.5 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marcos Kohler](https://appshunter.io/developer/1024379665) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### TriKey

[App page](https://appshunter.io/ios/app/trikey/id1406537477)

**In-app purchases:** none


### TfxEcho

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

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


## Frequently asked questions

### Is TriKey free?

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

### Is TfxEcho free?

TfxEcho costs $4.99, with no in-app purchases.

### Do TriKey or TfxEcho have ads?

Neither TriKey nor TfxEcho shows ads.

### Which is updated more often, TriKey or TfxEcho?

TriKey ships an update every 2 months, and TfxEcho every 3 months. Most recently, TriKey was updated on October 3, 2026 and TfxEcho on October 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.*