# Undulator vs Voice Changer With Echo Effect

The clearest difference is review sentiment: Undulator at 86% against Voice Changer With Echo Effect's 25%. Undulator also leads on rating (4.3 vs 2.0) and in-app purchases (none vs 1). On ratings volume, update cadence, ads and device support there is nothing between them.

Undulator holds the better App Store score, 4.3 against 2.0. Both are backed by a comparable volume of ratings — 12 and 7 respectively. Written reviews point the same way: 86% of Undulator's written reviews are positive against 25% of Voice Changer With Echo Effect's.

Undulator ships an update every 2 months, Voice Changer With Echo Effect every 3 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Undulator | Voice Changer With Echo Effect |
| --- | --- | --- |
| Price | **$7.99** | — |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/undulator/id1463822021/reviews)** | [2.0 (7 ratings)](https://appshunter.io/ios/app/voice-changer-with-echo-effect/id1464191720/reviews) |
| Number of ratings | **12** | 7 |
| Positive reviews | **85.7% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 16 MB | 13 MB |
| Requires iOS | **11.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eventide](https://appshunter.io/developer/546518026) | [Suresh Verma](https://appshunter.io/developer/1207634042) |

## What reviewers say

### Undulator

[App page](https://appshunter.io/ios/app/undulator/id1463822021)

This app offers a classic modulated tremolo effect inspired by a renowned hardware processor. It allows musicians to add rhythmic movement, ethereal feedback, and detuned echoes to various instruments and samples, creating evolving soundscapes and dynamic textures.

**Highlights:** Modulated tremolo effect, Ethereal feedback and detuned echoes, AM/FM modulation, Tempo sync, Real-time ribbon control, Multiple modulation waveforms

**In-app purchases:** none


### Voice Changer With Echo Effect

[App page](https://appshunter.io/ios/app/voice-changer-with-echo-effect/id1464191720)

Record your voice or sing a song and apply a wide variety of fun audio effects like echo, reverb, and pitch changes. Save and share your creations, or set them as ringtones.

**Highlights:** Record audio with effects, Dozens of voice effects, Adjust room size, reverb, and delays, Enhance voice quality, Save and share recordings, Set as ringtone

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Voice Changer with Effects | $27.99 | one-time |


## Frequently asked questions

### Is Undulator free?

Undulator costs $7.99, with no in-app purchases.

### Is Voice Changer With Echo Effect free?

Pricing for Voice Changer With Echo Effect is not currently listed on the App Store.

### Which has better reviews, Undulator or Voice Changer With Echo Effect?

Undulator is rated higher. Undulator averages 4.3 out of 5 from 12 ratings, while Voice Changer With Echo Effect averages 2.0 from 7 ratings.

### Do Undulator or Voice Changer With Echo Effect have ads?

Neither Undulator nor Voice Changer With Echo Effect shows ads.

### Which is updated more often, Undulator or Voice Changer With Echo Effect?

Undulator ships an update every 2 months, and Voice Changer With Echo Effect every 3 months. Most recently, Undulator was updated on October 24, 2026 and Voice Changer With Echo Effect on October 8, 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.*