PAcalculate vs LightElf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PAcalculate
This app provides 28 calculators and reference information for professional audio sound reinforcement and lighting. It covers acoustics, audio electronics, cabling, and lighting calculations, making it a valuable tool for audio and lighting professionals.
- 28 calculators for pro-audio and lighting
- Acoustics calculations (SPL, air absorption)
- Audio electronics calculations (dBu/dBV, Q/B/W)
- Cabling calculations (speaker cable loss)
- Lighting calculations (DMX, RGB/CMY)
- Reference info (pinouts, graphs)
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28 calculators (47 calculations) for pro-audio sound reinforcement and lighting, as well as reference info and utilities. A super handy tool for people dealing with PA, sound reinforcement, sound systems, electro-acoustics, pro-audio and lighting Acoustics - SPL (sound pressure level) - SPL sum with phase, distance or time difference - Air absorption attenuation for a given humidity, temperature, frequency and distance - Ceiling speaker coverage - Time «» Distance - Audio frequency «» Wavelength (includes lambda/2 and 2*lambda/3 for line arrays or subwoofer arrays) - Transition distance for line arrays (near to far field) - End-fire and broadside array subwoofer modelling Audio electronics - dBu «» dBV «» Volts - Q «» B/W (bandwidth) - Limiter threshold, attack&releases times - Amplifier gain Cabling - Speaker cable: low impedance, high impedance (constant voltage line, 70V/100V). Calculates energy and level loss, system damping factor Lights DMX channel, RGB/RGBW/RGBA and CMY Useful reference info such as pinouts (proaudio and lighting) and graphs Utilities: Inclinometer, Flashlight / light with selectable intermittence (uses camera permission) Latest news from DoctorProAudio.com
LightElf
Control Bluetooth-connected laser light devices to customize display parameters. Features include hand-drawn graffiti functionality for personalized light shows.
- Bluetooth laser light control
- Display parameter customization
- Hand-drawn graffiti feature
- Personalized light shows
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该软件通过蓝牙连接的激光灯设备，控制激光灯设备的显示参数，并且支持手绘涂鸦。
Screenshots
Verdict
The clearest difference is review sentiment: PAcalculate at 100% against LightElf's 15%. PAcalculate also leads on rating (5.0 vs 3.0). LightElf's advantage is update cadence (every 3 weeks vs every 4 months). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PAcalculate holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 7 and 20 respectively. Written reviews point the same way: 100% of PAcalculate's written reviews are positive against 15% of LightElf's.
PAcalculate ships an update every 4 months, LightElf every 3 weeks. The most recent releases landed on June 8, 2026 and September 17, 2026 respectively.
| Parameter | PAcalculate | LightElf |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) — better | 3.0 (20 ratings) |
| Positive reviews | 100.0% of reviews — better | 15.4% of reviews |
| Number of ratings | 7 | 20 — better |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 3 MB | 60 MB |
| Age rating | 4+ | 17+ |
| Developer | Jose Brusi | 广文 李 |
Customer experience
PAcalculate
LightElf
In-app purchases
PAcalculate
No in-app purchases
LightElf
No in-app purchases
