This app simplifies calibration management for tools and equipment, helping businesses maintain compliance with industry standards. It allows for easy entry of calibration data, scheduling, and notifications, with access from any device.






210+ iOS apps curated and reviewed
The best gagelist apps on iPhone average 4.5★ across 210+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.4★ (7) | No | No | May 2026 | |
| 2 | Free | 4.4★ (87K) | No | Yes | Jul 2026 | |
| 3 | Free | 4.7★ (9.4K) | No | Yes | Jul 2026 | |
| 4 | Free | 4.3★ (3.2K) | Yes | Yes | Jul 2026 | |
| 5 | Free | 4.7★ (16K) | No | No | Jul 2026 | |
| 6 | Free | 4.7★ (31K) | No | No | Jul 2026 | |
| 7 | Free | 4.2★ (2.6K) | Yes | Yes | Jul 2026 | |
| 8 | Free | 4.8★ (12K) | Yes | Yes | Jul 2026 |






This app simplifies calibration management for tools and equipment, helping businesses maintain compliance with industry standards. It allows for easy entry of calibration data, scheduling, and notifications, with access from any device.




Transform your device into a versatile digital toolkit for precise measurements. Create 2D and 3D floor plans, scan rooms, and measure distances with advanced AI and computer vision. Ideal for DIY projects, home renovations, and professional use.





Easily track, organize, and manage your business inventory from any device or location. This mobile solution offers smart features like barcode scanning, low stock alerts, and customizable reporting to streamline your operations. It's designed for businesses of all sizes looking to improve inventory control.


Easily capture and annotate object dimensions with photos. Store, organize, and share measurements with detailed comments and multiple detail photos. Ideal for professionals and DIYers needing precise documentation.


This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.


This operations platform empowers teams to conduct inspections, audits, and training with digital checklists and customizable forms. It streamlines issue resolution, asset management, and reporting, helping organizations improve safety and efficiency.


This app offers precise measurements using augmented reality and on-screen tools. It caters to both professional and everyday needs with features like a flexible measuring tape, bubble level, and photo ruler. Save and manage your measurements within projects for easy access.


Transform your phone into a powerful car diagnostic tool. Read and clear trouble codes, monitor real-time engine data, and track fuel economy. Generate detailed reports for easy sharing and analysis.


Streamline inventory and asset tracking with a powerful barcode scanning solution. Build custom tracking systems without coding, reduce counting time significantly, and export data easily. Works offline and syncs automatically.


Streamline construction project management with a field-first app for daily reporting, time tracking, safety, and project documentation. Capture real-time data, manage resources, and improve productivity with an easy-to-use interface designed for jobsite crews.


This app uses AR and device sensors to provide digital measurement tools. Measure distances, heights, and areas with a virtual ruler and level. Save and share your measurements easily.


Measure objects and spaces using your device's camera with augmented reality. This app offers tools for measuring lengths, heights, areas, and creating floor plans. Save and share your measurements for various projects.


Easily capture and annotate photos of objects with dimensions, angles, and text comments. Organize projects, share them as PDFs or images, and collaborate with others via cloud features. Ideal for professionals needing to document and share measurements accurately.


This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.


Utilize augmented reality to scan your surroundings and create detailed 3D floor plans. Measure distances, lengths, surfaces, and areas with ease, then export your plans in PDF format for sharing. This tool eliminates the need for traditional measuring devices.


Transform your device into a powerful measuring tool using augmented reality. Accurately measure objects and spaces by simply pointing your camera. Save, share, and manage your measurements with ease.


This app transforms your phone into a precise leveling tool. It offers accurate angle measurement, inclination detection, and augmented reality features for DIY and professional use. Calibration is simple and quick.


Transform your smartphone into a precise digital measuring tape. Measure objects, size furniture, and scan rooms in 3D using augmented reality. Supports multiple units and allows saving/sharing measurements.


This app provides advanced calculation tools and comprehensive data for pipe trade professionals. It streamlines workflows for pipefitters, welders, and steamfitters with features for measurements, fluid dynamics, and material specifications. Designed for efficiency and accuracy, it works offline for on-site use.


This app offers a comprehensive suite of 10 powerful calculators and 10 financial worksheets, designed to handle everything from basic arithmetic to complex scientific and financial calculations. It includes features like unit conversion, currency exchange, graphing, and statistical analysis, making it a versatile tool for students and professionals.