203+ iOS apps curated and reviewed
Looking for free process control apps? 18 of our 203+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | $4.99 | 5.0★ (2) | No | No | Jul 2026 |
| 3 |  | Free | 4.6★ (615) | No | No | Jul 2026 |
| 4 |  | Free | — | No | No | Jun 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | $3.99 | 4.8★ (5.4K) | No | No | Aug 2026 |
| 7 |  | Free | 4.7★ (25) | No | No | Jul 2026 |
| 8 |  | Free | 2.6★ (11) | No | No | May 2026 |
This utility calculates PID tuning parameters using the IMC method for various process and controller types. It allows for direct input of process gain or variable changes, with adjustable tuning aggression via a slider.
Securely monitor and manage your IT systems from any mobile device. Get real-time status updates, receive instant alerts for issues, and resolve problems remotely. Supports Windows, Linux, and Mac, offering comprehensive control over your infrastructure.
Monitor your iPhone and iPad's performance with detailed insights into CPU, memory, disk, battery, and network usage. View real-time graphs, hardware specs, and system details. Export data via email or AirPrint.
This platform helps teams document and automate core business processes. It transforms procedures into no-code workflows for onboarding, customer implementation, and more. Manage team wikis and company handbooks within the app.
Configure PA systems directly from your iPad. Control DSP modules, activate presets, and make individual adjustments for PSSO PRIME system amplifiers and DXO controllers. Offers features comparable to PC software.
Gain real-time visibility and context for industrial process operations. Receive smart notifications for critical alarms and data, allowing for quick diagnosis and response from anywhere. Leverage existing configurations for seamless monitoring.
Remotely access and manage Distech Controls' HVAC system controllers. View, edit, and configure operating parameters, monitor alarms, and override system functions for improved service and reduced site visits.
Fine-tune your car audio system with advanced sound customization via Bluetooth. Adjust crossovers, EQ, gain, and more for a perfect listening experience.
This all-in-one payments processing app helps businesses of all types manage operations, accept payments, and boost profits. It offers industry-specific modes for retail, restaurants, services, and beauty businesses, with features like inventory management, online booking, and invoicing.
A distraction-free writing environment for Mac, iPhone, and iPad. It offers robust document management, seamless syncing, and flexible export options for writers of all kinds. Includes a proofreader and editing assistant.
This app offers essential calculation tools for instrumentation and control technicians and engineers. It provides free access to basic tools, with advanced calculators available through a one-time in-app purchase or subscription.
This app provides a powerful offline chemical process simulation tool. It allows engineers to build complex process models, perform thermodynamic calculations, and analyze various unit operations. Features include a touch-enabled PFD interface, extensive compound databases, and advanced calculation engines.
This app allows process servers to manage their jobs, record service details, and upload photos. It integrates with a larger system to streamline workflow and client relations for legal professionals.
Monitor your device's core performance metrics with this utility app. It provides real-time information on battery status, disk usage, CPU load, and network connections. Customize your view with light or dark themes and receive instant updates on system changes.
Control your home's heating and hot water remotely with this smart thermostat app. It offers intuitive operation, pre-set schedules, vacation mode, and intelligent energy-saving features like load and weather compensation. Visualize gas usage to identify savings opportunities.
Control audio sources, volume, and paging for multiple zones in retail and hospitality settings. Schedule audio events, manage user access, and operate USB players and internal mixers.