# rrarrow vs Sound Terrain

The clearest difference is update cadence: Sound Terrain at every 11 days against rrarrow's every 4 weeks. Sound Terrain also leads on price ($1.99 vs $3.99). rrarrow's advantage is device support (4 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

rrarrow costs $3.99 and Sound Terrain $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

rrarrow ships an update every 4 weeks, Sound Terrain every 11 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | rrarrow | Sound Terrain |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | **[4.6 (18 ratings)](https://appshunter.io/ios/app/rrarrow/id814966319/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 11 days** |
| Monetization | Paid | — |
| Size | 29 MB | 3 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Nadzharov](https://appshunter.io/developer/729549192) | [弢 张](https://appshunter.io/developer/6773991027) |

## What reviewers say

### rrarrow

[App page](https://appshunter.io/ios/app/rrarrow/id814966319)

Create experimental audio effects with extended feedback capabilities. This modular noise machine offers a simplified interface for fast assembly and flexible connectivity, allowing you to control processing parameters with the audio signal itself.

**Highlights:** Modular audio effect processing, Extended feedback capabilities, 20 audio processing blocks, Built-in audio recorder, MIDI controller support, Audiobus and Inter-App Audio support, Background audio playback

**Features:** Vision Pro support

**In-app purchases:** none


### Sound Terrain

[App page](https://appshunter.io/ios/app/sound-terrain/id6812715636)

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

**In-app purchases:** none


## Frequently asked questions

### Is rrarrow free?

rrarrow costs $3.99, with no in-app purchases.

### Is Sound Terrain free?

Sound Terrain costs $1.99, with no in-app purchases.

### Do rrarrow or Sound Terrain have ads?

Neither rrarrow nor Sound Terrain shows ads.

### Which is updated more often, rrarrow or Sound Terrain?

rrarrow ships an update every 4 weeks, and Sound Terrain every 11 days. Most recently, rrarrow was updated on November 1, 2026 and Sound Terrain on October 31, 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.*