# SE ToolBox — Audio System Engineers ToolBox

> Audio system engineering toolbox for professionals with planning and diagnostic tools. (iPhone/iPad app by 1BIGRIG Ltd.)

- Source: https://appshunter.io/ios/app/se-toolbox/id6741111166 (this page in markdown: same URL + `.md`)
- Developer: [1BIGRIG Ltd](https://appshunter.io/developer/1792073283)
- Category: Productivity, Utilities
- Price: $7.99 (on sale, was $9.99)
- Age rating: 4+
- Requires: iOS 17.6 · 21 MB
- Languages: American English
- Released: 2025-02-02
- Data updated: 2026-07-23
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/se-toolbox/id6741111166/reviews.md

## What is 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.

## Key features

- Time alignment with delay calculations
- Comprehensive unit converters
- Subwoofer array design calculator
- Venue file database access
- Preparation sheets and checklists
- Damage item tracking
- PA and site angle tools
- Room layout planning

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/se-toolbox/id6741111166/reviews.md

### 5/5 — Stunning

*2025-02-24*

What a beaut of an app

### 5/5 — Paul Martin

*2025-02-03, version 1.0*

Brilliant little app!! Recommended to friends.

## Frequently asked questions about SE ToolBox

### What is SE ToolBox?

SE ToolBox is a comprehensive utility application designed for audio professionals and system engineers. It offers a suite of tools to assist with tasks such as time alignment, unit conversion, subwoofer array design, and on-site planning.

### What are the main features of SE ToolBox?

Key features include Time Align for speaker alignment, Converters for various units, a Sub Array Calculator, SV Database access for L-Acoustics setups, Prep Page for organization, Damage Report tracking, PA Tools, Mark Out Tools for layout planning, System Troubleshooting, a Torch Button, a built-in game, and a Sound FX Library.

### Is SE ToolBox available on multiple devices?

Yes, SE ToolBox is supported on both iPhone and iPad devices, allowing audio professionals to utilize its tools across their Apple ecosystem.

### How often is SE ToolBox updated?

The latest version of SE ToolBox is 2.5, and it was last updated on December 13, 2025. This indicates a commitment to regular updates and improvements for users.

### What is the price of SE ToolBox?

SE ToolBox is a paid application, available for a one-time purchase of $7.99. This provides users with full access to all its professional audio engineering tools.

### What is the age rating for SE ToolBox?

SE ToolBox has an age rating of 4+, making it suitable for a wide range of users. This rating suggests that the content is generally appropriate for most audiences.

### Does SE ToolBox have ads?

No, SE ToolBox does not contain advertisements. As a paid application, it offers an uninterrupted user experience focused on professional utility.

### Can SE ToolBox help with planning live sound setups?

Absolutely. SE ToolBox includes features like Mark Out Tools for planning room layouts and PA positions, as well as PA Tools for azimuth and site angle calculations, which are crucial for effective live sound setup planning.

## Version history (last 5 releases)

### 3.0 — 2026-07-04

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

### 2.5 — 2025-12-13

Boring bug fixes blah blah

### 2.4 — 2025-07-21

Windspeed calculator
Updates & Bug Fixes

### 2.3 — 2025-07-02

New Smaart Curve creater, and time caluclator. 
Some bug updates and improvements.

### 2.2.2 — 2025-06-05

Time Align page updated to new and improved Calculator.
General Bug Fixes

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## More apps by 1BIGRIG Ltd

- [TECH ToolBox](https://appshunter.io/ios/app/tech-toolbox/id6741366999)
- [CALC ToolBox](https://appshunter.io/ios/app/calc-toolbox/id6741718195)
- [BLT ToolBox](https://appshunter.io/ios/app/blt-toolbox/id6741779517)
- [LX ToolBox](https://appshunter.io/ios/app/lx-toolbox/id6742348161)
- [The Ohms Law Calc](https://appshunter.io/ios/app/the-ohms-law-calc/id6747296194)

All apps by 1BIGRIG Ltd: https://appshunter.io/developer/1792073283

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-23.*