# RP vs ADverb2

The clearest difference is rating: ADverb2 at 4.6 against RP's 3.9. ADverb2 also leads on review sentiment (80% vs 70%). RP's advantage is update cadence (every 2 months vs every 50 months) and price ($2.99 vs $4.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

RP costs $2.99 and ADverb2 $4.99 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 3.9. Both are backed by a comparable volume of ratings — 16 and 19 respectively. Written reviews point the same way: 70% of RP's written reviews are positive against 80% of ADverb2's.

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

## The numbers

| Metric | RP | ADverb2 |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | [3.9 (16 ratings)](https://appshunter.io/ios/app/rp-1-delay/id1079530569/reviews) | **[4.6 (19 ratings)](https://appshunter.io/ios/app/adverb2/id1373926760/reviews)** |
| Number of ratings | 16 | **19** |
| Positive reviews | 70.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 50 months |
| Monetization | Paid | Paid |
| Size | 13 MB | 27 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kai Aras](https://appshunter.io/developer/370820899) | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) |

## What reviewers say

### RP

[App page](https://appshunter.io/ios/app/rp-1-delay/id1079530569)

This app offers dual stereo delay lines for a vast array of audio effects, from simple echoes to complex soundscapes. It features individual bypass, modulation routing, and tempo synchronization options.

**Highlights:** Dual stereo delay lines, High- and Lowpass filters, Stereo spread and Looping, Separate modulation delay, Tempo sync via AudioUnit Host or Ableton Link, Delay times from 10ms to 2000ms

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RP free?

RP costs $2.99, with no in-app purchases.

### Is ADverb2 free?

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

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

ADverb2 is rated higher. RP averages 3.9 out of 5 from 16 ratings, while ADverb2 averages 4.6 from 19 ratings.

### Do RP or ADverb2 have ads?

Neither RP nor ADverb2 shows ads.

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

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