# AudioCalc vs Time Delay calculator

The clearest difference is price: Time Delay calculator at Free against AudioCalc's $2.99. Time Delay calculator also leads on update cadence (fortnightly vs every 7 months). AudioCalc's advantage is ads (none vs shown) and iOS requirement (7.0 vs 15.8.3). On in-app purchases and device support there is nothing between them.

Time Delay calculator is free to download; AudioCalc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AudioCalc ships an update every 7 months, Time Delay calculator fortnightly. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | AudioCalc | Time Delay calculator |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/audiocalc/id294447976/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 3 MB | 36 MB |
| Requires iOS | **7.0** | 15.8.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nelcea](https://appshunter.io/developer/1694672221) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### AudioCalc

[App page](https://appshunter.io/ios/app/audiocalc/id294447976)

This tool provides audio-specific conversion formulas for HiFi enthusiasts, home theater buffs, and audio professionals. It includes converters for frequency, band, delay, volume, and room modes, aiding in loudspeaker positioning, EQ setup, and room acoustics. Supports both imperial and metric units.

**Highlights:** Frequency, period, and wavelength converter, Parametric EQ band setup tool, Speaker distance and delay calculator, Amplifier power calculation, Room mode response computation, Imperial and metric unit support

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

**In-app purchases:** none


### Time Delay calculator

[App page](https://appshunter.io/ios/app/time-delay-calculator/id6502032872)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AudioCalc free?

AudioCalc costs $2.99, with no in-app purchases.

### Is Time Delay calculator free?

Time Delay calculator is free to download, with no in-app purchases.

### Do AudioCalc or Time Delay calculator have ads?

Time Delay calculator shows ads; AudioCalc does not.

### Which is updated more often, AudioCalc or Time Delay calculator?

AudioCalc ships an update every 7 months, and Time Delay calculator fortnightly. Most recently, AudioCalc was updated on September 21, 2026 and Time Delay calculator on September 18, 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.*