# Audiofile Calc vs ComposerDeck

The clearest difference is in-app purchases: ComposerDeck at none against Audiofile Calc's 1. ComposerDeck also leads on update cadence (weekly vs every 2 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Audiofile Calc sells 1 one-off in-app purchase. ComposerDeck asks for nothing beyond the download.

Audiofile Calc ships an update every 2 months, ComposerDeck weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Audiofile Calc | ComposerDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/audiofile-calc-lufs-db-hz/id337547274/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 82.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 10 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Audiofile Engineering, LLC](https://appshunter.io/developer/309378687) | [Deep Sky Project](https://appshunter.io/developer/1631837128) |

## What reviewers say

### Audiofile Calc

[App page](https://appshunter.io/ios/app/audiofile-calc-lufs-db-hz/id337547274)

This app provides a comprehensive suite of audio engineering calculators for musicians and producers. It offers free tools for length, pitch, timecode, electric, acoustics, and file size calculations, with an optional Pro tier for advanced features like LUFS targeting and batch conversion.

**Highlights:** Length calculations, Pitch calculations, Timecode conversions, Electric and acoustics tools, LUFS targeting, Batch conversion, PDF export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audiofile Calc Pro | $4.99 | one-time |


### ComposerDeck

[App page](https://appshunter.io/ios/app/composerdeck/id6754993179)

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

**In-app purchases:** none


## Frequently asked questions

### Is Audiofile Calc free?

Audiofile Calc is free to download, with in-app purchases available.

### Is ComposerDeck free?

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

### Do Audiofile Calc or ComposerDeck have ads?

Neither Audiofile Calc nor ComposerDeck shows ads.

### Which is updated more often, Audiofile Calc or ComposerDeck?

Audiofile Calc ships an update every 2 months, and ComposerDeck weekly. Most recently, Audiofile Calc was updated on October 27, 2026 and ComposerDeck on October 28, 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.*