Instrument Toolbox vs Smart Measure Kit
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Instrument Toolbox
A professional calculator designed for industrial control, automation, and instrumentation engineers. It offers quick conversions and calculations for gas concentration, units, steam properties, flange levels, and pipeline flow. Ideal for both field debugging and engineering design.
- PPM to mg/mΒ³ conversion with compensation
- Industrial unit conversion (pressure, volume, temp, etc.)
- Saturated steam pressure and density calculator
- Flange level migration calculations
- Pipeline flow and velocity calculator
- Real-time calculation results
Read full descriptionHide full description
Industrial Control & Instrumentation Toolbox - Your Smart Industrial Calculator A professional calculation toolbox designed for industrial control, automation, and instrumentation engineers. Whether for field debugging or engineering design, it helps you quickly complete various professional calculations. Core Features: PPM to mg/mΒ³ Converter: Gas concentration unit conversion, supports custom molecular weight, built-in quick selection of common gas molecular weights, with environmental temperature and pressure compensation Unit Converter: Covers easy conversion of industrial measurement units including: Pressure (8 units including MPa, kPa, bar, psi, etc.) Volume Temperature Length Mass Saturated Steam Calculator: Input temperature to obtain saturated steam pressure, or input pressure to calculate saturated steam density, meeting steam system design requirements Flange Level Migration: Supports single/dual flange level calculations, with inputs for medium density, flange distance, and other parameters for precise level measurement calibration Pipeline Flow & Velocity Calculator: Applicable for both gas and liquid media, integrates velocity calculation, flow calculation, and diameter calculation, incorporating temperature, pressure, and other operating conditions Key Features: Clean and intuitive interface, easy operation Real-time calculation results Supports standard and operating condition conversions Built-in reference values like standard atmospheric pressure Suitable for both field engineering and design office scenarios This app is an essential professional tool for industrial automation, significantly improving engineering calculation efficiency. Target Users: Automation Engineers, Instrumentation Engineers, Process Engineers, Equipment Engineers, and other industrial control professionals.
Smart Measure Kit
Read full descriptionHide full description
Smart Measure Kit β AR Measurement Tool for Distance, Area, Angle, and Level Smart Measure Kit is a powerful, AR-based measuring app that turns your iPhone into a smart measurement tool. Whether you need to measure distance, area, volume, angles, or more, this app provides accurate measurements using augmented reality (AR), all in the palm of your hand. - Key Features: + Distance Measurement β Easily measure the distance between two points with AR technology. + Area Calculation β Instantly calculate area (square meters, feet, inches) and volume (cubic meters, feet, yards) in real-time. + Angle Detection β Measure angles with high precision using your phoneβs camera. + Multiple Units β Supports multiple units of measurement: meters, feet, inches, yards, and more. + Smart Tools β Includes smart measurement features for everyday use and professional projects. + Save and Export Data β Save your measurements or export them as PDF or Excel files. + User-Friendly Interface β Designed for both professionals and casual users, with simple controls for everyone. Whether you're working on home improvement projects, interior design, construction, or DIY tasks, Smart Measure Kit is the ultimate measurement app for accurate, quick, and convenient measurements. Smart Measure Kit: the perfect AR measuring app for distance, area, angle, and volume measurement at your fingertips!
Screenshots
Verdict
The clearest difference is price: Smart Measure Kit at Free against Instrument Toolbox's $1.99. Smart Measure Kit also leads on update cadence (every 2 days vs weekly). Instrument Toolbox's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.0). On ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Smart Measure Kit is free to download; Instrument Toolbox costs $1.99 up front. Smart Measure Kit sells 1 one-off in-app purchase. Instrument Toolbox asks for nothing beyond the download.
Instrument Toolbox ships an update weekly, Smart Measure Kit every 2 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.
| Parameter | Instrument Toolbox | Smart Measure Kit |
|---|---|---|
| Price | $1.99 | Free β better |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Weekly | Every 2 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Monetization | Paid | β |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 13.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 8 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | η«ε¨ η | Tran Hoa |
In-app purchases
Instrument Toolbox
No in-app purchases
Smart Measure Kit
- Support Us - Donate Now$1.99
Questions
Is Instrument Toolbox free?
Is Smart Measure Kit free?
Do Instrument Toolbox or Smart Measure Kit have ads?
Which is updated more often, Instrument Toolbox or Smart Measure Kit?
Other comparisons















