# ADverb2 vs Undulator

The clearest difference is update cadence: Undulator at every 2 months against ADverb2's every 50 months. Undulator also leads on iOS requirement (11.0 vs 16.0). ADverb2's advantage is rating (4.6 vs 4.3) and price ($4.99 vs $7.99). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

ADverb2 costs $4.99 and Undulator $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ADverb2 holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 19 and 12 respectively. Written reviews complicate that: 80% of ADverb2's written reviews are positive against 86% of Undulator's, so the app with the better star average is not the one people write more warmly about.

ADverb2 ships an update every 50 months, Undulator every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | ADverb2 | Undulator |
| --- | --- | --- |
| Price | **$4.99** | $7.99 |
| Rating | **[4.6 (19 ratings)](https://appshunter.io/ios/app/adverb2/id1373926760/reviews)** | [4.3 (12 ratings)](https://appshunter.io/ios/app/undulator/id1463822021/reviews) |
| Number of ratings | **19** | 12 |
| Positive reviews | 80.0% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 27 MB | 16 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) | [Eventide](https://appshunter.io/developer/546518026) |

## What reviewers say

### ADverb2

[App page](https://appshunter.io/ios/app/adverb2/id1373926760)

This app emulates a vintage digital plate reverb unit from the 80s, offering a range of reverb effects from short and rich to long and ambient. It functions as a standalone effect, with Inter-App Audio, or as an AUv3 plugin for music production hosts.

**Highlights:** Vintage digital plate reverb emulation, Adjustable pre-delay, time, and size, Extensive filtering for reverb tail shaping, Logical vintage-style user interface, Cross-platform preset manager, Low CPU load optimized algorithm

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ADverb2 free?

ADverb2 costs $4.99, with no in-app purchases.

### Is Undulator free?

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

### Which has better reviews, ADverb2 or Undulator?

ADverb2 is rated higher. ADverb2 averages 4.6 out of 5 from 19 ratings, while Undulator averages 4.3 from 12 ratings.

### Do ADverb2 or Undulator have ads?

Neither ADverb2 nor Undulator shows ads.

### Which is updated more often, ADverb2 or Undulator?

ADverb2 ships an update every 50 months, and Undulator every 2 months. Most recently, ADverb2 was updated on October 24, 2026 and Undulator on October 24, 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.*