# Stria vs RP

The clearest difference is rating: Stria at 5.0 against RP's 3.9. Stria also leads on review sentiment (91% vs 70%). RP's advantage is update cadence (every 2 months vs every 6 months) and price ($5.99 vs $9.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Stria costs $9.99 and RP $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stria holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 35 and 15 respectively. Written reviews point the same way: 91% of Stria's written reviews are positive against 70% of RP's.

Stria ships an update every 6 months, RP every 2 months. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Stria | RP |
| --- | --- | --- |
| Price | $9.99 | **$5.99** |
| Rating | **[5.0 (35 ratings)](https://appshunter.io/ios/app/stria/id625740515/reviews)** | [3.9 (15 ratings)](https://appshunter.io/ios/app/rp-1-delay/id1079530569/reviews) |
| Number of ratings | **35** | 15 |
| Positive reviews | **91.5% of reviews** | 70.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 20 MB | 13 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [apeSoft](https://appshunter.io/developer/464660782) | [Kai Aras](https://appshunter.io/developer/370820899) |

## What reviewers say

### Stria

[App page](https://appshunter.io/ios/app/stria/id625740515)

This app is a multilevel interactive sound synthesizer that utilizes Frequency Modulation and Wavetable Additive techniques. It offers extensive control over oscillators, pitch grids, and effects, with support for various audio and MIDI connections.

**Highlights:** Multilevel interactive sound synthesizer, Up to 240 FM or Wavetable Additive Oscillators, Five Spectral Pitch Grid Generators, MIDI Pad With Scale Grid, Extensive effects chain (Doppler, Glitch Gen, Reverb, etc.), Snapshots Presets Morphing Pad, Control Manager LFO for Parameters

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Stria free?

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

### Is RP free?

RP costs $5.99, with no in-app purchases.

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

Stria is rated higher. Stria averages 5.0 out of 5 from 35 ratings, while RP averages 3.9 from 15 ratings.

### Do Stria or RP have ads?

Neither Stria nor RP shows ads.

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

Stria ships an update every 6 months, and RP every 2 months. Most recently, Stria was updated on October 21, 2026 and RP on October 17, 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.*