AudioCalc vs Time Delay calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AudioCalc
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.
- 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
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HiFi enthousiasts, Home Theater buffs and audio professionals alike make sure you always have those handy formulas with you. This tool offers you a collection of audio targeted conversion tools. The frequency, period and wavelength converter comes in quite handy for positioning loudspeakers. The band tool helps you setup a parametric EQ. The delay part gives you an insight when setting speaker distances and delays. The volume tool helps you determine the amplifier power required for a given set of speakers. The room modal response tool allows you to compute the room modes present in a room. This is crucial when placing a subwoofer provide correct bass response. It can also be used when designing a room to avoid dimensions that would lead to a poor modal response. AudioCalc works in both imperial and metric units. Simply swipe down to reveal the unit selection view. If you liked this tool, be sure to also check VideoCalc, the companion tool that addresses your video needs.
Time Delay calculator
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A calculator that can display calculation results with a delay to practice mental arithmetic. >Mental arithmetic practice mode Tap the timer key to turn on mental math practice mode. Enter the formula as usual. *Tap the timer key again to turn off the mental arithmetic practice mode. Return to normal calculator mode.
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Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | AudioCalc | Time Delay calculator |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 3 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Nelcea | Hideaki Uchikoshi |
In-app purchases
AudioCalc
No in-app purchases
Time Delay calculator
No in-app purchases
Questions
Is AudioCalc free?
Is Time Delay calculator free?
Do AudioCalc or Time Delay calculator have ads?
Which is updated more often, AudioCalc or Time Delay calculator?
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