SE ToolBox
Not in any tracked top chart right now.
Updated 23 Oct 2026 · rankings refresh through the day
Developer1BIGRIG Ltd
CategoryProductivity
Price7.99 GBP
Released
Rating★ 5.0 (5)
Version3.0
Age rating4+
First seen by us
7 Oct 2026
Installs (est.)100+ worldwide
Rating
5.0 ★
5 ratings
Measured
SE ToolBox on the App Store
App details
App ID
6741111166
Publisher
1BIGRIG Ltd
On the store since
Feb 2025
1 year on the store
Minimum OS
iOS 17.6+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
22 MB
Also listed in
Utilities
SE ToolBox downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
5.0 ★
5 ratings
Measured
Ratings
5
Measured
What users say about SE ToolBox
From recent reviews.
About SE ToolBox
System Engineer Toolbox is a practical utility app for audio professionals, system engineers, PA techs, and live sound crews who need fast, reliable tools on site.
Built for real-world show conditions, the app brings together calculation tools, venue documents, mark-out helpers, reports, and audio utilities in one place.
Key Features:
:: Time Align
Calculate delay times, adjust for climate conditions, generate Smaart target curves, and use the built-in pink noise generator for tuning and line checks.
:: Converters
Convert measurements, weight, power, wavelength, wind speed, time, samples and more.
:: Sub Array Calculator
Design spaced sub arrays with frequency-aware calculations, wavelength checks, delay values, and phase references.
:: Venue Database
Browse Big Rig venue documents directly from the live online database. Search, filter by country, city and manufacturer, download files, and reopen saved files offline.
:: Damage Report
Log damaged equipment, add details, and keep track of issues during shows, tours, and prep.
:: PA Tools
Use azimuth and site angle tools for quick system aiming references.
:: Mark Out Tools
Plan room layouts, speaker positions, measurement notes, and site information.
:: Sound FX Library
Trigger useful sound effects from inside the app.
:: Built-in Game
Take a quick break with an audio-themed game.
System Engineer Toolbox is designed to be quick to open, easy to read, and useful when you are working under pressure in venues, fields, arenas, theatres, and production spaces.
Download System Engineer Toolbox and keep your essential system tools in your pocket.
Built for real-world show conditions, the app brings together calculation tools, venue documents, mark-out helpers, reports, and audio utilities in one place.
Key Features:
:: Time Align
Calculate delay times, adjust for climate conditions, generate Smaart target curves, and use the built-in pink noise generator for tuning and line checks.
:: Converters
Convert measurements, weight, power, wavelength, wind speed, time, samples and more.
:: Sub Array Calculator
Design spaced sub arrays with frequency-aware calculations, wavelength checks, delay values, and phase references.
:: Venue Database
Browse Big Rig venue documents directly from the live online database. Search, filter by country, city and manufacturer, download files, and reopen saved files offline.
:: Damage Report
Log damaged equipment, add details, and keep track of issues during shows, tours, and prep.
:: PA Tools
Use azimuth and site angle tools for quick system aiming references.
:: Mark Out Tools
Plan room layouts, speaker positions, measurement notes, and site information.
:: Sound FX Library
Trigger useful sound effects from inside the app.
:: Built-in Game
Take a quick break with an audio-themed game.
System Engineer Toolbox is designed to be quick to open, easy to read, and useful when you are working under pressure in venues, fields, arenas, theatres, and production spaces.
Download System Engineer Toolbox and keep your essential system tools in your pocket.
Latest updates
3.0
Version 3.0 is a major update with a redesigned interface and new tools throughout the app.
:: New CALC/LX Toolbox inspired visual design
:: New live Venue Database powered by the Big Rig website API
:: Venue search, filters, file downloads, and offline file reopening
:: Rebuilt Sub Array Calculator with design frequency, wavelength and phase guidance
:: New Samples to Time converter
:: New Pink Noise generator in Time Align
:: Updated Smaart Curve graph behaviour
:: Updated Site Angle and Azimuth tool layouts
:: Updated settings and app welcome/rating prompts
:: Prep and Troubleshooting sections removed from the main app flow while kept for future development
:: General fixes, layout improvements, and performance polish