Comparison

PAcalculate vs CAR DSP BLE RY

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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)
Features
Read full description

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

About

CAR DSP BLE RY

Features
Read full description

CAR DSP BLE RY是一款移动调音App,使用此App可调出满足各种需求的音质效果。

Screenshots

PAcalculate4 screens
CAR DSP BLE RY3 screens

Verdict

The call

PAcalculate and CAR DSP BLE RY are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PAcalculate ships an update every 4 months, CAR DSP BLE RY every 7 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

ScorecardNo meaningful differences
PAcalculate versus CAR DSP BLE RY: the parameters behind the verdict, then further details
ParameterPAcalculateCAR DSP BLE RY
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 4 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size3 MB16 MB
Age rating4+17+
DeveloperJose Brusi广州市锐益科技有限公司

In-app purchases

None

PAcalculate

No in-app purchases

None

CAR DSP BLE RY

No in-app purchases

Questions

Is PAcalculate free?
PAcalculate is free to download, with no in-app purchases.
Is CAR DSP BLE RY free?
CAR DSP BLE RY is free to download, with no in-app purchases.
Do PAcalculate or CAR DSP BLE RY have ads?
Neither PAcalculate nor CAR DSP BLE RY shows ads.
Which is updated more often, PAcalculate or CAR DSP BLE RY?
PAcalculate ships an update every 4 months, and CAR DSP BLE RY every 7 months. Most recently, PAcalculate was updated on November 1, 2026 and CAR DSP BLE RY on November 3, 2026.

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