AudioCalc vs SpectraMania
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.
SpectraMania
This application offers high-resolution, real-time 3D spectrum analysis of audio signals. It allows for precise measurements, playback from specific points, and saving audio recordings. Users can customize analysis parameters and interact with various display views.
- High-resolution 3D spectrum analysis
- Precise pause mode measurement
- Audio playback from cursor
- Save audio as WAV
- Configurable analysis parameters
- Portrait and Landscape support
- Interactive touch gestures
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Top performance, high resolution real-time spectrum analysis of audio signals Precise 3D spectrum measurement in pause mode, with the ability to target specific points in the spectrum Audio playback from a movable cursor position in pause mode Saving of recorded audio as a standard WAV file, with the option to select a specific portion of the signal Fully configurable spectrum analysis parameters Spectrum display supports both Portrait and Landscape orientations Interactive adjustment of Spectrum, Waveform, and Equalizer view areas via touch gestures Real-time calculation and display of peak frequency
Screenshots
Verdict
The clearest difference is rating: SpectraMania at 4.0 against AudioCalc's 3.0. SpectraMania also leads on review sentiment (75% vs 33%) and ratings volume (4 vs 1). AudioCalc's advantage is price ($2.99 vs $7.99) and iOS requirement (7.0 vs 16.0). On update cadence, ads, in-app purchases and monetization model 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
AudioCalc costs $2.99 and SpectraMania $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SpectraMania holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 33% of AudioCalc's written reviews are positive against 75% of SpectraMania's.
AudioCalc ships an update every 7 months, SpectraMania every 6 months. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.
| Parameter | AudioCalc | SpectraMania |
|---|---|---|
| Price | $2.99 — better | $7.99 |
| Rating | 3.0 (1 ratings) | 4.0 (4 ratings) — better |
| Positive reviews | 33.3% of reviews | 75.0% of reviews — better |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 7 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 7.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Nelcea | Sergey Andrzheevskiy |
Customer experience
AudioCalc
SpectraMania
In-app purchases
AudioCalc
No in-app purchases
SpectraMania
No in-app purchases
