# Laplace vs TfxEcho

The clearest difference is price: TfxEcho at $1.99 against Laplace's $8.00. Laplace's advantage is rating (5.0 vs 4.7) and update cadence (every 6 weeks vs every 3 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

Laplace costs $8.00 and TfxEcho $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Laplace holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 36 and 12 respectively. Written reviews point the same way: 90% of Laplace's written reviews are positive against 80% of TfxEcho's.

Laplace ships an update every 6 weeks, TfxEcho every 3 months. The most recent releases landed on October 21, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Laplace | TfxEcho |
| --- | --- | --- |
| Price | $8.00 | **$1.99** |
| Rating | **[5.0 (36 ratings)](https://appshunter.io/ios/app/laplace-auv3-plug-in-synth/id920832974/reviews)** | [4.7 (12 ratings)](https://appshunter.io/ios/app/tfxecho/id1523777426/reviews) |
| Number of ratings | **36** | 12 |
| Positive reviews | **89.8% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Paid | Paid |
| Size | 7 MB | 1 MB |
| Requires iOS | **12.0** | 13.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iceWorks, Inc.](https://appshunter.io/developer/347507439) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### Laplace

[App page](https://appshunter.io/ios/app/laplace-auv3-plug-in-synth/id920832974)

This app is a physical modeling synthesizer that allows users to create a wide range of sounds, from strings and pipes to metallic textures. It provides tools for detailed sound shaping and is compatible with AUv3 environments.

**Highlights:** AUv3-compatible synthesizer, Physical modeling sound engine, Bowed string emulation, Plucked string emulation, Blown pipe emulation, Metallic texture generation, Detailed sound shaping tools

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

**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 Laplace free?

Laplace costs $8.00, with no in-app purchases.

### Is TfxEcho free?

TfxEcho costs $1.99, with no in-app purchases.

### Which has better reviews, Laplace or TfxEcho?

Laplace is rated higher. Laplace averages 5.0 out of 5 from 36 ratings, while TfxEcho averages 4.7 from 12 ratings.

### Do Laplace or TfxEcho have ads?

Neither Laplace nor TfxEcho shows ads.

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

Laplace ships an update every 6 weeks, and TfxEcho every 3 months. Most recently, Laplace was updated on October 21, 2026 and TfxEcho on October 29, 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.*