# Binary Challenge vs Decibel Match

The clearest difference is update cadence: Decibel Match at every 12 months against Binary Challenge's every 61 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Binary Challenge ships an update every 61 months, Decibel Match every 12 months. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Binary Challenge | Decibel Match |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decibel-match/id1583608033/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 61 months | **Every 12 months** |
| Monetization | — | Free |
| Size | 3 MB | 1 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ola Kaare Risa](https://appshunter.io/developer/1562401648) | [Sean McNeil](https://appshunter.io/developer/884178100) |

## What reviewers say

### Binary Challenge

[App page](https://appshunter.io/ios/app/binary-challenge/id1564728589)

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

**In-app purchases:** none


### Decibel Match

[App page](https://appshunter.io/ios/app/decibel-match/id1583608033)

This app helps children learn about decibel levels by challenging them to produce specific sound volumes. It provides feedback on how accurately they match the target dB, with all targets falling between 65 dB and 95 dB.

**Highlights:** Match target decibel levels, Learn sound-volume relationship, Track matching accuracy, Targets between 65-95 dB, Summary of performance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Binary Challenge free?

Binary Challenge is free to download, with no in-app purchases.

### Is Decibel Match free?

Decibel Match is free to download, with no in-app purchases.

### Do Binary Challenge or Decibel Match have ads?

Neither Binary Challenge nor Decibel Match shows ads.

### Which is updated more often, Binary Challenge or Decibel Match?

Binary Challenge ships an update every 61 months, and Decibel Match every 12 months. Most recently, Binary Challenge was updated on September 17, 2026 and Decibel Match on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*