# PhaseThree vs Tails

The clearest difference is price: PhaseThree at $4.99 against Tails's $9.99. PhaseThree also leads on iOS requirement (9.3 vs 11.0). Tails's advantage is rating (4.9 vs 4.6) and chart position (#171 vs unranked). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

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

Tails holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 14 and 14 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | PhaseThree | Tails |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | [4.6 (14 ratings)](https://appshunter.io/ios/app/phasethree/id1441807530/reviews) | **[4.9 (14 ratings)](https://appshunter.io/ios/app/tails-dual-reverb/id6444164617/reviews)** |
| Number of ratings | 14 | 14 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 14 months |
| Monetization | Paid | Paid |
| Best chart rank | — | **#171** |
| Size | 9 MB | 16 MB |
| Requires iOS | **9.3** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) | [Unfiltered Audio](https://appshunter.io/developer/1638381375) |

## What reviewers say

### PhaseThree

[App page](https://appshunter.io/ios/app/phasethree/id1441807530)

This app meticulously recreates the sound and quirks of a vintage dual phaser unit. It offers both original six-stage and modern twelve-stage phasing options, with advanced control over modulation sources and cross-platform preset management.

**Highlights:** Vintage dual phaser emulation, Six-stage and twelve-stage phasing options, Vactrol response modeling, Expression pedal parameter control, Cross-platform preset manager, Vector-based resizable UI

**Features:** Vision Pro support

**In-app purchases:** none


### Tails

[App page](https://appshunter.io/ios/app/tails-dual-reverb/id6444164617)

**Currently charting:** #171 Top Paid · Music (US App Store)

This music app creates harmonic reverb using novel double-buffered technology and threshold swapping between two separate reverbs. It offers auto-ducking for cleaner sound and includes classic reverb algorithms with new modes. It's designed for performance with MIDI control and works as a standalone app or AUv3 plugin.

**Highlights:** Dual reverb buffers, Threshold swapping, Auto-ducking, Classic and new reverb algorithms, Spatial and Shimmer modes, Global Sample Rate control, MIDI performance control

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PhaseThree free?

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

### Is Tails free?

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

### Which has better reviews, PhaseThree or Tails?

Tails is rated higher. PhaseThree averages 4.6 out of 5 from 14 ratings, while Tails averages 4.9 from 14 ratings.

### Do PhaseThree or Tails have ads?

Neither PhaseThree nor Tails shows ads.

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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.*