Best On Call Apps

222+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated May 2026

With an average user rating of 4.3★, the on call category is one of the App Store's strongest. Browse all 222+ apps we track, sorted so the most loved ones surface first.

Top Picks for On Call

OnCall Health#1

OnCall Health by OnCall Health Inc.

Editor's Choice
🏥 Medical
3.1(59 ratings)
Free
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Meet with your healthcare provider online through this application, which requires an existing account to use. Download now and take the first step towards convenient virtual healthcare.

MasterClass On Call#2

MasterClass On Call by Yanka Industries, Inc.

Wisdom from the World's Best
Strong Contender
📚 Education
4.2(30 ratings)
FreeAdsIn-App Purchases
MasterClass On Call screenshot 1
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"Get expert advice anytime, anywhere with our conversational AI product that connects you with the world’s top experts. Unlock your full potential and make confident decisions faster. Start your journey to wisdom today!"

Apploi Schedule#3

Apploi Schedule by Apploi Corp.

Apploi Schedule
Worth Considering
💪 Health & Fitness
2.2(13 ratings)
Free
Apploi Schedule screenshot 1
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This application connects full-time, casual, and agency staff to open shifts, driving labor cost savings and higher staff engagement. It helps organizations automate shift posting, gain financial visibility, and maximize resources, while allowing staffing networks to customize schedules, pick up open shifts, and manage work on-the-go.

More On Call apps to explore

4
nAble OnCall
nAble OnCall
nAble OnCall
by Nth Technologies Inc
Free
🏥 Medical
(0)
5
OnPhone: Second Number & eSIM
OnPhone: Second Number & eSIM
OnPhone: Second Number & eSIM
Private Texts & Calls, eSIMs
Free

"Get a second phone number for personal or business use with OnPhone. Make international calls, choose custom numbers, and enjoy features like voicemail, call recording, call forwarding, and more with eSIM technology to save on data fees. Download now!"

💼 Business
(51K)
6
On Call Central
On Call Central
On Call Central
Medical Answering Service
Free

This mobile application brings a medical answering service to your fingertips, allowing you to manage messages, make calls, and update your schedule on the go. With this app, you can efficiently stay connected and respond to critical messages, calls, and notifications from the service, and take control of your communication preferences.

🏥 Medical
(11)
7
On Call - Guardias Médicas
On Call - Guardias Médicas
On Call - Guardias Médicas
Doctor On Call - Calendar
Free

This on-call management app helps internal physicians optimize their routine by providing an intuitive interface to create, view, and manage on-call days on a calendar, with features such as personalized reminders, availability identification, and notes management. Download now to simplify your life as a busy physician and achieve a better balance between your professional and personal life.

🏥 Medical
(20)
8
On-Call Schedule Lite
On-Call Schedule Lite
On-Call Schedule Lite
Track your medical oncall days
Free
🏥 Medical
(0)
9
Guardians: On Calls Calendar
Guardians: On Calls Calendar
Guardians: On Calls Calendar
On calls medic calendar
Free

This application helps medical professionals manage their on-call shifts and plan their time effectively, allowing them to schedule events, vacations, and personal activities with ease. By using the app, users can stay organized, make informed plans, and make the most of their limited free time.

🏥 Medical
(45)
10
Volvo Cars
Volvo Cars
Volvo Cars
by Volvo Car Corporation
Free

Experience the ultimate convenience with a comprehensive app designed for Volvo car owners. From adjusting climate settings and tracking charge levels to scheduling service appointments and unlocking your car remotely, this app is your go-to resource for all things Volvo. Find out more at https://www.volvocars.com/intl/support/contact-us.

🔧 Utilities
(23K)
11
Amion - Clinician Scheduling
Amion - Clinician Scheduling
Amion - Clinician Scheduling
On-the-Go Schedule Access
Free

Access your on-call schedule anytime, anywhere with on-the-go schedule management. Stay organized with shift alerts, customized calendar views, HIPAA-secure messaging, team collaboration, and offline access. Provide feedback to improve the app at support@doximity.com.

🏥 Medical
(5.6K)
12
On Call Diabetes Management
On Call Diabetes Management
On Call Diabetes Management
by ACON BIOTECH HANGZHOU CO., LTD.
Free
🏥 Medical
(1)
13
Sideline: Private 2nd Number
Sideline: Private 2nd Number
Sideline: Private 2nd Number
Phone Call and Text Number
Free

Get a second phone number with Sideline and enjoy private texting, contact management, and more. Stay connected with unlimited texting and convenient call features, all in one app. Organize your conversations and never miss an important message.

🔧 Utilities
(15K)
14
HxGN OnCall Mobile
HxGN OnCall Mobile
HxGN OnCall Mobile
by Intergraph Corporation
Free

This mobile application connects first responders to the public safety answering point, enabling them to receive events and alerts, update status, and view positional information on a map. It also allows officers to quickly create reports, access critical information, and conduct field interviews, improving safety, performance, and productivity.

💼 Business
(5)
15
Phoner: Second Phone Number
Phoner: Second Phone Number
Phoner: Second Phone Number
Texting & Voice Calling
Free

Get a second phone number and add a layer of privacy with this texting and calling application. Protect your personal information and communicate seamlessly with others without revealing your primary number.

🔧 Utilities
(34K)
16
Text ON: Call Now Second Phone
Text ON: Call Now Second Phone
Text ON: Call Now Second Phone
Private 2nd Line WiFi Number
Free

Get a virtual number without a SIM card for travel, work, or privacy with our app. Enjoy cheap calls, texts, and multiple numbers with flexible rates. Subscribe for premium features or top up credits for more usage.

🌐 Social Networking
(2.2K)
17
MD on Call
MD on Call
MD on Call
Practical Guide
$9.99

This practical guide provides medical professionals and students with quick access to essential information for assessing and managing common on-call situations, lab abnormalities, and other critical issues. With its concise and easy-to-use format, it helps users make informed decisions quickly, making it an ideal resource for busy medical practitioners.

🏥 Medical
(1)
18
Call Recorder for iPhone.
Call Recorder for iPhone.
Call Recorder for iPhone.
Audio Recordings & Voice Memos
Free

Record phone calls and easily save important conversations on your iPhone with this app. Stay organized and never miss crucial information. Download now to ensure you capture every important detail.

💼 Business
(79K)
19
LegalShield, Law Firms On Call
LegalShield, Law Firms On Call
LegalShield, Law Firms On Call
by Pre-Paid Legal Services, Inc.
Free

This app provides easy access to legal support directly from your law firm, offering services like on-demand legal help, document submission, and 24/7 emergency assistance. With features such as tapping to call your law firm or submitting your Will Questionnaire, it simplifies legal processes for over 4.1 million users across North America.

💼 Business
(10K)
20
Oncall Tech
Oncall Tech
Oncall Tech
Alarm & CCTV Experts
Free
🔧 Utilities
(0)

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