# Sonus vs Beta Builder

The clearest difference is price: Beta Builder at Free against Sonus's $3.99. Sonus's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

Beta Builder is free to download; Sonus costs $3.99 up front. Beta Builder sells 2 in-app purchases, starting at $1.99 per month. Sonus asks for nothing beyond the download.

Sonus ships an update every 3 months, Beta Builder every 6 months. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Sonus | Beta Builder |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sonus/id6738307673/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Paid | **Ad-supported** |
| Size | 38 MB | 21 MB |
| Requires iOS | **17.0** | 17.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Marco Tini](https://appshunter.io/developer/544232459) | [Peter Lorimer](https://appshunter.io/developer/1788566043) |

## What reviewers say

### Sonus

[App page](https://appshunter.io/ios/app/sonus/id6738307673)

This app provides over 40 high-quality ambient sounds to help you focus, relax, or fall asleep. Its minimalist interface and background playback create a personalized sonic environment for any situation.

**Highlights:** 40+ high-quality ambient sounds, Background playback, Minimalist and intuitive interface, Dark mode support, iPad compatibility, Extensive sound library

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

**In-app purchases:** none


### Beta Builder

[App page](https://appshunter.io/ios/app/beta-builder/id6740149361)

Log and analyze your climbing sessions with custom grades and workouts. Track your progress with dynamic charts to see your improvements over time. This tool is for climbers focused on data-driven results.

**Highlights:** Custom climb logging, Personalized workout plans, Dynamic progress charts, Indoor and outdoor tracking, Data-driven performance analysis

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Beta Builder Pro (Monthly) | $1.99 | per month |
| Beta Builder Pro (Yearly) | $22.00 | per year |


## Frequently asked questions

### Is Sonus free?

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

### Is Beta Builder free?

Beta Builder is free to download, with in-app purchases available.

### Do Sonus or Beta Builder have ads?

Beta Builder shows ads; Sonus does not.

### Which is updated more often, Sonus or Beta Builder?

Sonus ships an update every 3 months, and Beta Builder every 6 months. Most recently, Sonus was updated on October 7, 2026 and Beta Builder on September 30, 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.*