# Decibel calculator vs Box Builder

The clearest difference is price: Box Builder at Free against Decibel calculator's $0.99. Box Builder also leads on update cadence (every 7 months vs every 17 months). Decibel calculator's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Box Builder is free to download; Decibel calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Decibel calculator ships an update every 17 months, Box Builder every 7 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Decibel calculator | Box Builder |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 7 months** |
| Monetization | Paid | — |
| Size | 1 MB | 1 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZPP](https://appshunter.io/developer/496124117) | [Neill Mclachlan](https://appshunter.io/developer/1527884833) |

## What reviewers say

### Decibel calculator

[App page](https://appshunter.io/ios/app/decibel-calculator/id496124114)

Easily add and subtract sound levels expressed in decibels (dB). This utility converts dB values to a linear scale for accurate calculations, demonstrating how sound levels combine.

**Highlights:** Add decibel levels, Subtract decibel levels, Convert dB to linear scale, Logarithmic scale calculations, Demonstrates dB addition examples

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

**In-app purchases:** none


### Box Builder

[App page](https://appshunter.io/ios/app/box-builder/id1640513711)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Decibel calculator free?

Decibel calculator costs $0.99, with no in-app purchases.

### Is Box Builder free?

Box Builder is free to download, with no in-app purchases.

### Do Decibel calculator or Box Builder have ads?

Neither Decibel calculator nor Box Builder shows ads.

### Which is updated more often, Decibel calculator or Box Builder?

Decibel calculator ships an update every 17 months, and Box Builder every 7 months. Most recently, Decibel calculator was updated on October 8, 2026 and Box Builder on October 3, 2026.

---

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