Best Client Center Apps

207+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated July 2026

Looking for free client center apps? 20 of our 207+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Client Center Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Thomson Reuters AuthenticatorThomson Reuters AuthenticatorFree1.2★ (1.8K)NoNoJul 2026
2McLean & Dickey Client CenterMcLean & Dickey Client CenterFreeNoNoMay 2026
3LR WINDSOR 24/7 Client CenterLR WINDSOR 24/7 Client CenterFreeNoNoMay 2026
4Howard Center Client PortalHoward Center Client PortalFreeNoNoJun 2026
5ClientFlow Command CenterClientFlow Command CenterFreeNoYesJul 2026
6Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.1M)NoNoJul 2026
7HDC Client PortalHDC Client PortalFree1.0★ (1)NoNoMay 2026
8CSD Connect ClientCSD Connect ClientFree3.0★ (2)NoNoMay 2026

Top Picks for Client Center

Thomson Reuters Authenticator#1

Thomson Reuters Authenticator by Thomson Reuters

Editor's Choice
🔧 Utilities
1.2😞(1.8K ratings)
Free
Thomson Reuters Authenticator screenshot 1
Thomson Reuters Authenticator screenshot 2

This app provides an additional layer of security for accessing Thomson Reuters software. It uses multi-factor authentication to verify your identity, protecting your data with a combination of something you know, have, and are.

What We Love

  • 🚀 Easy setup
  • 🔒 Secure authentication
  • 👍 Works as expected

Room to Improve

  • 🐛 Difficult to migrate to new device
  • 👎 Unintuitive and confusing
  • 🤯 Impossible to use without corporate account

More Client Center apps to explore

4
Howard Center Client Portal
Howard Center Client Portal
Howard Center Client Portal
by Howard Center, Inc
Free
🏥 Medical
(0)
5
ClientFlow Command Center
ClientFlow Command Center
ClientFlow Command Center
Client Meeting Briefs
Free
💼 Business
(0)
6
Google Authenticator
Google Authenticator
Google Authenticator
by Google
Free

Enhance your online security with a second verification step for your accounts. Generate codes directly on your phone, even offline, to protect against unauthorized access. Sync codes across devices for easy access and manage multiple accounts securely.

Offline code generationSync codes across devicesAutomatic QR code setup
🔧 Utilities
(1.1M)
free
7
HDC Client Portal
HDC Client Portal
HDC Client Portal
by Human Development Center
Free

A secure platform designed to improve the HDC client experience. It offers access to essential information, tools, and resources tailored for HDC clients.

Secure client platformAccess key informationUtilize essential tools
🏥 Medical
(1)
free
8
CSD Connect Client
CSD Connect Client
CSD Connect Client
by Center For Social Dynamics, LLC
Free

Manage your appointments with the Center for Social Dynamics. View, confirm, or cancel your sessions and access provider contact details directly from your device.

View appointment detailsConfirm appointmentsCancel appointments
💪 Health & Fitness
(2)
free
9
ICI Client Connect
ICI Client Connect
ICI Client Connect
by Insurance Center Inc.
Free

Access your insurance information 24/7 from any device with this client portal. Set up your account online or contact customer service to get started with digital service options.

24/7 service availabilityAccess insurance informationClient portal account setup
💼 Business
(5)
free
10
2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
2FA Authenticator (2FAS)
#1 Rated 2FA Authenticator
Free

Securely log in to your online accounts with two-factor authentication. This app protects your personal data and passwords from cyber threats with a simple, private, and open-source solution. It offers easy token restoration, app protection, and offline functionality.

Two-factor authenticationToken backup and restoreApp protection with passcode/biometrics
📊 Productivity
(34K)
free
11
Clientbook Retail
Clientbook Retail
Clientbook Retail
clienteling, messaging, crm
Free

This app helps retail sales associates manage customer relationships and communication. It centralizes customer information, tracks follow-ups, and provides a unified messaging system, replacing traditional physical client books. Store management gains insights through a reporting dashboard.

Centralized client managementUnified SMS and email messagingCustomer data tracking (follow-ups, history, preferences)
💼 Business
(1.2K)
subscription
12
RMHC Client Portal
RMHC Client Portal
RMHC Client Portal
by Range Mental Health Center Inc
Free

Access your mental health care conveniently with this app. Manage appointments, communicate with your care team, participate in telehealth, and handle documents and billing securely.

Appointment managementAppointment remindersProvider messaging
🏥 Medical
(1)
free
13
HoneyBook - Small Business CRM
HoneyBook - Small Business CRM
HoneyBook - Small Business CRM
Invoices, Contracts, Payments
Free

Streamline your independent business operations with tools for invoicing, contracts, payments, project tracking, and client scheduling. Automate tasks and manage expenses to deliver exceptional client experiences and stay in control of your business.

Mobile invoicingOnline contractsSecure payment collection
💼 Business
(16K)
free with in-app purchases
14
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
Authenticator App - 2FA MFA
Authentication App - OTP
Free

Secure your online accounts with standards-based two-factor authentication. This app generates time-based one-time passwords directly on your device, offering a reliable second step for sign-ins without relying on SMS codes. Protect personal and work accounts across various platforms.

Secure TOTP verification codesFast and easy account setupFull control over 2FA accounts
🔧 Utilities
(4.2K)
free with in-app purchases
15
Clients: Your Client Book, CRM
Clients: Your Client Book, CRM
Clients: Your Client Book, CRM
Manage Your Customer Database
Free

Effortlessly store and manage your client data with this simple and beautiful application. Organize customer interactions, make notes, import contacts, and set reminders. Communicate with clients via email, SMS, or direct calls, all from one place.

Client data storageContact importReminders and notes
💼 Business
(412)
free with in-app purchases
16
NLDC Client App
NLDC Client App
NLDC Client App
New Life Day Center Client App
Free

Connect with the New Life Day Center community. Discover programs, register for classes, and communicate with staff and fellow members.

Program informationClass sign-upsStaff communication
🌟 Lifestyle
(1)
free
17
Acuity: Appointment Scheduler
Acuity: Appointment Scheduler
Acuity: Appointment Scheduler
Client scheduling & calendar
Free

Manage your calendar and clients with this app. It offers seamless client scheduling, appointment notifications, secure mobile payments, and automated receipts. Run your business on the go with tools for calendar and client management, plus payment processing.

Real-time calendar managementClient scheduling linksAppointment notifications
💼 Business
(30K)
free with in-app purchases
18
Clio for Clients
Clio for Clients
Clio for Clients
Stay connected to your lawyer.
Free

This app offers a secure portal for clients to communicate with their legal counsel. It allows for document sharing, private messaging, case updates, and invoice management, all within a protected client-attorney environment.

Secure document sendingPrivate messaging with lawyerCase information access
📊 Productivity
(12K)
free
19
MyChair: Client Book
MyChair: Client Book
MyChair: Client Book
Booking, Appointment Scheduler
Free

This app helps beauty industry professionals manage clients, appointments, and service history. It offers features for tracking client details, scheduling services, generating reports on bookings and income, and communicating with clients via mass emails or SMS. Customizable services and flexible scheduling options are also included.

Client address book and history trackingCustomizable appointment schedulingService and income reporting
💼 Business
(415)
free with in-app purchases
20
ZVHC Client Portal
ZVHC Client Portal
ZVHC Client Portal
by Zumbro Valley Mental Health Center
Free

Access your health records, manage appointments, and attend telehealth sessions directly from your mobile device. Complete paperwork, sign documents, and pay bills securely within the application.

Access health recordsAppointment managementTelehealth appointment attendance
🏥 Medical
(2)
free

FAQ about Client Center

What are the best client center apps for iPhone?
Thomson Reuters Authenticator tops our client center apps ranking as of July 2026, with a 1.2-star average from 1.8K App Store ratings, and it's free to download.
Yes — 20 of the top client center apps we rank are free to download, including Thomson Reuters Authenticator and McLean & Dickey Client Center.
Thomson Reuters Authenticator has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 207+ client center apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app enhances security by providing multi-factor authentication for accessing Thomson Reuters software. It adds an extra layer of protection to your data by verifying your identity through a combination of your password, your mobile device, and biometric authentication like Face ID or Touch ID.
When you log in to compatible Thomson Reuters software, the Authenticator app will send a notification to your device. You can then approve the sign-on request directly from the app, or use Face ID/Touch ID for an additional authentication step. If you are not attempting to log in, you can simply ignore the notification.

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