Best Si Client Hub Apps

193+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

The best si client hub apps on iPhone average 4.5★ across 193+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Si Client Hub

HoneyBook - Small Business CRM#2

HoneyBook - Small Business CRM by HoneyBook, Inc.

Invoices, Contracts, Payments
Strong Contender
💼 Business
4.8😐(16K ratings)
FreeAdsIn-App Purchases
#19in Business
HoneyBook - Small Business CRM screenshot 1
HoneyBook - Small Business CRM screenshot 2
HoneyBook - Small Business CRM screenshot 3
HoneyBook - Small Business CRM screenshot 4

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.

What We Love

  • 🚀 Streamlined workflow
  • 🔒 Secure payment processing
  • 👍 Intuitive and user-friendly
  • 🚀 Efficient client management

Room to Improve

  • 🐛 Buggy mobile app
  • 💰 Expensive fees and subscription
  • 🔍 Limited customization options
Client Hub#3

Client Hub by CLIENT HUB INC.

Worth Considering
💼 Business
4.7(10 ratings)
Free
Client Hub screenshot 1
Client Hub screenshot 2
Client Hub screenshot 3
Client Hub screenshot 4
Client Hub screenshot 5

Streamline client interactions and document management for accounting firms. This app centralizes client information, moves communications out of email, and enables clients to access their files independently.

More Si Client Hub apps to explore

4
iTerminal - SSH Telnet Client
iTerminal - SSH Telnet Client
iTerminal - SSH Telnet Client
Best SSH and Telnet Client
Free

This app provides a powerful and simple client for connecting to remote servers via SSH or Telnet on your iPhone and iPad. It supports various authentication methods, server list management, and secure key handling, making remote server access convenient.

SSH and Telnet connectionUsername/password and private key authenticationServer list management
🔧 Utilities
(71)
free with in-app purchases
5
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
6
Salesforce
Salesforce
Salesforce
by salesforce.com
Free

Access the world's leading CRM platform from your mobile device. Manage your business with real-time data, personalized dashboards, and secure access to critical information from anywhere. Stay updated with custom notifications to drive business growth.

Personalized dashboard (Mobile Home)Access and update business dataMobile-optimized Lightning apps
💼 Business
(347K)
freemium
7
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
(398)
free with in-app purchases
8
Freshservice
Freshservice
Freshservice
by FRESHWORKS TECHNOLOGIES PRIVATE LIMITED
Free

This IT service management app provides IT agents with essential tools for managing incidents, assets, and user requests on the go. It offers features like push notifications, ticket management, and a service catalog for efficient help desk operations.

Push notifications for ticket activityCreate, respond to, and manage ticketsCustomizable ticket views
💼 Business
(2.2K)
freemium
9
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
10
Clio for Law Firms and Lawyers
Clio for Law Firms and Lawyers
Clio for Law Firms and Lawyers
Work from anywhere.
Free

This app allows legal professionals to manage cases, clients, and billing remotely. It offers features for time tracking, secure client communication, document scanning, and in-person payment processing. Stay productive and profitable from anywhere with secure cloud storage and AI-powered assistance.

Remote case and client information accessBillable and non-billable time trackingSecure client communication
💼 Business
(8.7K)
freemium
11
FTP Client - Files location
FTP Client - Files location
FTP Client - Files location
FTP, FTPS & SFTP over SSH
Free

Access and edit server files directly from your device's file manager. Supports FTP, SFTP, and FTPS with secure encryption. Automate file transfers with shortcuts for increased productivity.

Access server files in Files appSupports FTP, SFTP, FTPSTLS encryption
📊 Productivity
(34)
free with in-app purchases
12
Karbon for Clients
Karbon for Clients
Karbon for Clients
Accounting firm client portal
Free

Securely share files, exchange information, and communicate with your accounting firm. Manage tasks and stay connected with your advisors from your mobile device. Track project progress and reduce back-and-forth communication.

Secure file sharingClient-advisor communicationTask management
📊 Productivity
(3)
free
13
SAP Mobile Services Client
SAP Mobile Services Client
SAP Mobile Services Client
by SAP SE
Free

This app dynamically builds its user interface and business logic from metadata provided by SAP Mobile Services. It connects to OData services for data access, with offline capabilities for stored data. The UI adheres to the SAP Fiori framework.

Dynamic UI and business logic from JSON metadataConnects to SAP Mobile ServicesOffline OData service access
💼 Business
(9)
free
14
Daylite - Mail, Calendar, CRM
Daylite - Mail, Calendar, CRM
Daylite - Mail, Calendar, CRM
Track contacts, follow up, win
Free

Manage contacts, track projects, and organize your schedule on the go. This app syncs with its desktop counterpart to provide a comprehensive business management solution, allowing you to access client information, emails, and tasks from anywhere, even offline.

Contact managementEmail integrationCalendar and meeting scheduling
💼 Business
(432)
free with in-app purchases
15
Liquid UI Client for SAP
Liquid UI Client for SAP
Liquid UI Client for SAP
by Synactive
Free

This app provides instant mobile access to SAP systems, allowing users to adapt and innovate existing transactions without reprogramming. It offers enhanced security, automation, and integration capabilities for various SAP modules.

Instant mobile SAP GUI accessAdapt and innovate SAP transactionsRule-based barcode integration
💼 Business
(176)
free with in-app purchases
16
Samba: Hub for Professionals
Samba: Hub for Professionals
Samba: Hub for Professionals
Find Professionals Easily
Free

Connect with a wide range of professionals across various industries. Easily find, hire, and communicate with experts through smart search, integrated chat, and real user reviews. Save favorites and access 24/7 real-time support for a seamless experience.

Wide range of professional categoriesSmart search by name, category, location, ratingIntegrated in-app chat
💼 Business
(20)
free with in-app purchases
17
incy
incy
incy
Your network, your control
Free

This app provides engineers and system administrators with a streamlined way to connect to their servers from Apple devices. It offers features like automatic updates, real-time monitoring, and detailed traffic statistics for seamless remote access.

Import configurations via links/subscriptionsAutomatic server list updatesReal-time connection quality monitoring
🔧 Utilities
(199)
free
18
Supanator: Supabase Manager
Supanator: Supabase Manager
Supanator: Supabase Manager
Your Supabase, Mobilized
Free

Manage Supabase projects on the go with a native iOS client. Browse data, run SQL, monitor health, and manage storage, auth, and functions. Includes an AI assistant for SQL and schema design.

Database browsing and editingSQL editor and query builderAI-powered SQL and schema assistance
🛠️ Developer Tools
(14)
free with in-app purchases
19
SSH Client - Terminal & Termux
SSH Client - Terminal & Termux
SSH Client - Terminal & Termux
Termux, Telnet, iSH & PuTTY
Free

This app provides a powerful and advanced SSH and Telnet client for managing remote servers on iOS and Mac. It offers robust features like multi-session support, customizable terminals, and SFTP file transfer capabilities for seamless server administration.

SSH and Telnet clientSFTP file transferMulti-session capability
🛠️ Developer Tools
(398)
free with in-app purchases
20
17hats
17hats
17hats
by Isomnio, Inc.
Free

This business platform helps organize, systemize, and grow your small business. Manage clients, projects, documents, and workflows on the go. Stay connected to your business activities from anywhere.

Client activity dashboardEmail templates for leadsContact and project management
💼 Business
(34)
free