1. Home
  2. Topics
  3. Nhdoc

Best Nhdoc Apps

230+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated May 2026

Looking for free nhdoc apps? 19 of our 230+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Nhdoc

Jobber Field Service Software#1

Jobber Field Service Software by Octopusapp Inc

Invoice, Schedule, Dispatch
Editor's Choice
💼 Business
4.8😊(20K ratings)
FreeAdsIn-App Purchases
#21in Business
Jobber Field Service Software screenshot 1
Jobber Field Service Software screenshot 2
Jobber Field Service Software screenshot 3
Jobber Field Service Software screenshot 4
Jobber Field Service Software screenshot 5
Jobber Field Service Software screenshot 6

This all-in-one field service software helps businesses streamline operations by managing job scheduling, dispatching, quoting, invoicing, and payments. It offers features to improve client communication, organize business data, and integrate with accounting software, saving time and boosting efficiency for service professionals.

What We Love

  • 🚀 Helps run business
  • 👍 User-friendly and simple to learn
  • 🚀 Streamlines operations
  • 👍 Intuitive and powerful

Room to Improve

  • 🐛 Glitchy and unreliable
  • ⚠️ Expensive for small businesses
  • 🔍 Limited functionality in mobile app
measureQuick HVAC#2

measureQuick HVAC by Manifold Cloud Services Ltd.

Connect. Perform. Prosper.
Strong Contender
📊 Productivity
5.0😐(5 ratings)
Free
measureQuick HVAC screenshot 1
measureQuick HVAC screenshot 2
measureQuick HVAC screenshot 3
measureQuick HVAC screenshot 4
measureQuick HVAC screenshot 5
measureQuick HVAC screenshot 6

This application helps HVAC technicians diagnose and repair systems quickly and accurately. It offers robust diagnostic tools to identify problems faster, leading to fewer callbacks and more satisfied customers. It supports various HVAC systems, making it an all-in-one solution for professionals.

What We Love

  • 👍 Excellent diagnostic tool
  • 🚀 Improves efficiency and standardization
  • 💡 Elevates the HVAC industry
  • 👍 Useful for both experienced and junior technicians

Room to Improve

  • 🐛 Frequent crashes and stability issues
  • 🔒 Too much personal information required
  • 💰 Overpriced, especially for the paid features
Bluon HVAC#3

Bluon HVAC by Bluon, Inc.

HVAC Tools
Worth Considering
🔧 Utilities
4.8😐(4.5K ratings)
FreeAds
Bluon HVAC screenshot 1
Bluon HVAC screenshot 2
Bluon HVAC screenshot 3
Bluon HVAC screenshot 4
Bluon HVAC screenshot 5
Bluon HVAC screenshot 6

Access a vast database of HVAC models, manuals, and part lists to speed up your work. Utilize an AI-powered troubleshooting tool or connect with experienced technicians for real-time support.

What We Love

  • 🤖 Helpful tech support
  • 💯 Comprehensive database of manuals and information
  • 🛠️ Useful tools and calculators
  • 🤝 Great customer service

Room to Improve

  • 💰 Paywall for advanced features
  • 🔒 Limited access without company account
  • 🔍 Missing manuals for some equipment models

More Nhdoc apps to explore

4
HVACR Check & Charge
HVACR Check & Charge
HVACR Check & Charge
PT Charts Superheat Subcooling
Free

This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.

Instant refrigerant charge calculatorSuperheat calculator (non-TXV)Subcooling calculator (TXV)
🔍 Reference
(16K)
free
5
eHub
eHub
eHub
by Team Software, Inc.
Free

This app provides employees and customers in the building service and security industries with on-site access to critical information. Employees can manage jobs, timekeeping, and personal information, while customers can view invoices, request services, and track job progress.

Manage job information and work ticketsSubmit and review work requestsTrack time and attendance
💼 Business
(1.7K)
freemium
6
Ref Tools
Ref Tools
Ref Tools
All-in-one HVACR app
Free

This app provides HVACR technicians with essential tools and information for field service. It includes refrigerant calculators, troubleshooting guides, product finders, and access to spare parts. Listen to educational podcasts to enhance your knowledge on the go.

Refrigerant Slider for P/T calculationsSolenoid valve coil testing toolRefrigeration system troubleshooting guide
🔧 Utilities
(47)
free
7
MaintainX Work Orders
MaintainX Work Orders
MaintainX Work Orders
Maintenance Management CMMS
Free

This app provides a comprehensive solution for maintenance management and work order tracking, designed for field technicians and managers. It simplifies task assignment, asset information access via QR codes, and safety inspections, while also offering inventory management capabilities.

Work order creation, assignment, and trackingMobile work order completion with photos and voice notesOffline mode for technicians
📊 Productivity
(5K)
free with in-app purchases
8
Copeland Mobile
Copeland Mobile
Copeland Mobile
by Copeland LP
Free

Access a vast database of product information for air conditioning and refrigeration systems on your mobile device. Quickly find specifications, diagrams, and diagnostic tools. Includes AI-powered assistance and a "Where To Buy" locator.

Intelligent HVACR Assistance chatbotOnline product information database accessAuto-fill model recommendations
🔍 Reference
(5.1K)
free with in-app purchases
9
Invitation Homes Maintenance
Invitation Homes Maintenance
Invitation Homes Maintenance
IH Maintenance by Lessen
Free

Submit maintenance requests and track their progress with ease. This app offers a simple, step-by-step process to connect you with the right technician and provides transparent updates on your work order status, including push notifications for key milestones.

Submit maintenance requestsTrack work order statusReceive push notifications
💼 Business
(13K)
free
10
Entrata Facilities
Entrata Facilities
Entrata Facilities
by Entrata, Inc.
Free

Streamline your work order management with this tool. Assign, track, and close tasks efficiently while monitoring completion times.

Work order assignmentWork order managementWork order closing
💼 Business
(2.7K)
free
11
BuildOps: Commercial Trades
BuildOps: Commercial Trades
BuildOps: Commercial Trades
Field Tools for Contractors
Free

This app streamlines commercial building maintenance and construction for field teams. It connects technicians with office staff, enabling real-time access to job details, time tracking, photo capture, and equipment management. AI features further enhance efficiency by automating data capture from asset nameplates.

Work order managementTime trackingPhoto capture and organization
💼 Business
(384)
freemium
12
Liberty At Your Service
Liberty At Your Service
Liberty At Your Service
by Yardi Systems, Inc.
Free

Easily submit and track maintenance requests for your Liberty Military Housing residence. Attach photos and voice memos to provide detailed information and monitor the progress of your service requests.

Submit maintenance requests on the goAttach photos and voice memosTrack request progress
🌟 Lifestyle
(4.7K)
free
13
ServiceM8 - Field Service App
ServiceM8 - Field Service App
ServiceM8 - Field Service App
Job Management for Contractors
Free

This app helps trade contractors and home service businesses manage jobs, clients, and staff efficiently. It digitizes workflows from scheduling and quoting to invoicing and payments, reducing paperwork and improving service delivery. Field staff can access all job details on their mobile devices, while office staff can manage operations online.

Digital job cardsScheduling and dispatchOnline quotes and invoicing
💼 Business
(609)
free with in-app purchases
14
608 Practice
608 Practice
608 Practice
Prepare for your Certification
$12.99

Prepare for your EPA 608 certification with hundreds of up-to-date practice questions. The app offers both a practice mode and a timed test mode with detailed review to help you identify areas needing improvement across Core, Type I, Type II, and Type III exams.

Hundreds of practice questionsUp-to-date content (2018-2020)Core, Type I, II, III exam sections
📚 Education
(113)
free
15
My NYCHA
My NYCHA
My NYCHA
by New York City Housing Authority
Free

Manage your public housing needs efficiently. Submit and track maintenance requests, view alerts and outages, schedule inspections, file complaints, and pay rent bills directly from your mobile device.

Submit maintenance requestsTrack service requestsView development alerts and outages
💼 Business
(563)
free
16
ServiceChannel
ServiceChannel
ServiceChannel
by ServiceChannel
Free

Manage work orders, conduct site inspections, and review proposals from anywhere. Streamline facility management with tools for tracking, editing, and auditing locations and equipment. Capture actionable intelligence on-site to improve efficiency.

Create, search, and edit work ordersProposal review and actionsOn-site inspections with Site Audit Manager
💼 Business
(701)
freemium
17
Rheem
Rheem
Rheem
Connect . Install . Service
Free

This app streamlines HVAC installation and service for contractors. It offers Bluetooth connectivity for system setup and troubleshooting, along with comprehensive support for product information, warranty tracking, and locating resources.

Bluetooth setup and troubleshootingSystem monitoring and status checksAlarm diagnosis and history
🔧 Utilities
(1.5K)
free
18
UpKeep Work Order Maintenance
UpKeep Work Order Maintenance
UpKeep Work Order Maintenance
Task Management CMMS for Teams
Free

This app streamlines maintenance operations for teams by digitizing work orders and facilitating real-time communication. Managers can easily assign tasks, track progress, and access equipment history, reducing downtime and improving efficiency.

Digital work order managementReal-time status updatesPhoto and checklist attachments
💼 Business
(234)
free with in-app purchases
19
CE HVAC Pro+
CE HVAC Pro+
CE HVAC Pro+
HVAC Tools
Free

This app provides HVAC technicians with instant access to product information, including warranty status, inventory, and technical specifications. It offers real-time support, order tracking, and helpful calculators to streamline job management and business growth.

Real-time product availability & pricingOrder status and notificationsVideo/Text technical support
📊 Productivity
(1.5K)
free with in-app purchases
20
Fieldpiece Job Link
Fieldpiece Job Link
Fieldpiece Job Link
by Fieldpiece Instruments, Inc
Free

This app connects wirelessly with compatible HVACR tools to help professionals troubleshoot, diagnose, and evaluate HVACR systems. It serves as a central hub for managing wireless tools and business solutions, linking your equipment to your jobs.

Wireless tool connectivitySystem troubleshootingDiagnostic capabilities
💼 Business
(490)
free