Comparison

LSP 500 PRO vs Time Delay calculator

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

Head to head
About

LSP 500 PRO

This app transforms your iPad into a mobile mixing console for the Sennheiser LSP 500 PRO wireless PA system. Remotely control and configure up to 20 sound systems simultaneously over a wireless network. It offers an intuitive interface for managing all functions and inputs, with a demo mode for testing.

Highlights
  • Mobile mixing console for iPad
  • Remote control of LSP 500 PRO
  • Configure up to 20 sound systems
  • Wireless WLAN communication
  • Intuitive interface
  • Demo mode for testing
Read full description

Sennheiser’s remote control app for the LSP 500 PRO professional wireless PA system turns your iPad into a mobile mixing console. You only need to connect your iPad and your Sennheiser LSP 500 PRO with a wireless network and you can start operating your LSP 500 PRO directly from your iPad. The app’s intuitive mixing console feature allows you to configure all functions and inputs of the LSP 500 PRO. If you are using Sennheiser evolution wireless receivers for wireless microphones in your LSP 500 PRO, the iPad app gives you remote access to all status information of the installed and connected devices. The functionality of the iPad app includes the control and configuration of up to 20 LSP 500 PRO sound systems at the same time. That provides an easy, comfortable and completely wireless operation of a large sound setup at large events. FEATURES - Operate your Sennheiser LSP 500 PRO professional PA system directly from your iPad - Use your iPad as a mixing console and configure all features and inputs of the LSP 500 PRO - Control and configure up to 20 LSP 500 PRO sound systems simultaneously - Communicates via WLAN - No additional software required - Works in landscape mode - Supports the Retina display DEMO MODE Activate a demo mode that simulates four LSP 500 PRO in a network. This allows you to test the functions of the app before using it in the field. To activate the demo mode, select "Settings" -> "LSP 500 PRO" on the iPad.

About

Time Delay calculator

Features
Read full description

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.

Screenshots

Time Delay calculator2 screens

Verdict

The call

The clearest difference is ads: LSP 500 PRO at none against Time Delay calculator's shown. LSP 500 PRO also leads on iOS requirement (8.0 vs 15.8.3). Time Delay calculator's advantage is update cadence (fortnightly vs every 6 months) and device support (3 vs 1). On price 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

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

LSP 500 PRO ships an update every 6 months, Time Delay calculator fortnightly. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 5 level
LSP 500 PRO versus Time Delay calculator: the parameters behind the verdict, then further details
ParameterLSP 500 PROTime Delay calculator
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 6 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better15.8.3
Further details — not scored
Size19 MB36 MB
Age rating4+4+
DeveloperSennheiser electronic SE & Co. KGHideaki Uchikoshi

In-app purchases

None

LSP 500 PRO

No in-app purchases

None

Time Delay calculator

No in-app purchases

Questions

Is LSP 500 PRO free?
LSP 500 PRO is free to download, with no in-app purchases.
Is Time Delay calculator free?
Time Delay calculator is free to download, with no in-app purchases.
Do LSP 500 PRO or Time Delay calculator have ads?
Time Delay calculator shows ads; LSP 500 PRO does not.
Which is updated more often, LSP 500 PRO or Time Delay calculator?
LSP 500 PRO ships an update every 6 months, and Time Delay calculator fortnightly. Most recently, LSP 500 PRO was updated on October 15, 2026 and Time Delay calculator on October 25, 2026.

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