# Phosphor 3 vs TfxEcho

The clearest difference is update cadence: TfxEcho at every 3 months against Phosphor 3's every 11 months. TfxEcho also leads on chart position (#185 vs unranked) and device support (3 vs 1). On rating, review sentiment, ratings volume and ads there is nothing between them.

Phosphor 3 costs $5.99 and TfxEcho $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for Phosphor 3 against 4.7 for TfxEcho. Both are backed by a comparable volume of ratings — 9 and 12 respectively. Written reviews are what separate them: 79% of Phosphor 3's written reviews are positive against 80% of TfxEcho's.

Phosphor 3 ships an update every 11 months, TfxEcho every 3 months. The most recent releases landed on July 6, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Phosphor 3 | TfxEcho |
| --- | --- | --- |
| Price | $5.99 | **$4.99** |
| Rating | [4.7 (9 ratings)](https://appshunter.io/ios/app/phosphor-3/id1499115553/reviews) | **[4.7 (12 ratings)](https://appshunter.io/ios/app/tfxecho/id1523777426/reviews)** |
| Number of ratings | 9 | **12** |
| Positive reviews | 78.6% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#185** |
| Size | 27 MB | 1 MB |
| Requires iOS | **12.0** | 13.5 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### Phosphor 3

[App page](https://appshunter.io/ios/app/phosphor-3/id1499115553)

This app recreates a vintage digital synthesizer, offering a faithful emulation of a classic sound engine. It includes modern features like MPE, extensive modulation, and a new UI for sonic exploration.

**Highlights:** Vintage digital synthesizer emulation, Additive synthesis engine, MPE support, Extensive modulation routing, Preset manager, Tuning tables

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Phosphor 3 free?

Phosphor 3 costs $5.99, with no in-app purchases.

### Is TfxEcho free?

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

### Which has better reviews, Phosphor 3 or TfxEcho?

TfxEcho is rated higher. Phosphor 3 averages 4.7 out of 5 from 9 ratings, while TfxEcho averages 4.7 from 12 ratings.

### Do Phosphor 3 or TfxEcho have ads?

Neither Phosphor 3 nor TfxEcho shows ads.

### Which is updated more often, Phosphor 3 or TfxEcho?

Phosphor 3 ships an update every 11 months, and TfxEcho every 3 months. Most recently, Phosphor 3 was updated on July 6, 2026 and TfxEcho on September 20, 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.*