Apps Like OnSIP for iPhone and iPad
OnSIP screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.
RingCentral
RingCentral, Inc
Manage calls, messages, and meetings with AI
Manage business communications with integrated calling, messaging, and meeting features. Transcribe conversations and generate notes using AI. Share files in team chats and receive typo corrections.
Fuze Mobile
Fuze, Inc.
Connect with voice calls and messages
Stay connected with coworkers, customers, and partners through voice calls, video meetings, and chat messaging. Make calls over Wi-Fi, data, or carrier with video and screen sharing. Dial using 4-digit extensions and join ad hoc conference calls.
NextivaONE
Nextiva, Inc.
Receive calls and texts securely
Manage work and personal communications separately with a dedicated business phone number. Make unlimited calls within the US and Canada. Send texts via SMS/MMS. Organize contacts and integrate with contact lists. Receive and manage voicemail.
Slack
SLACK TECHNOLOGIES L.L.C.
Connect teams, send messages, track tasks
Collaborate in real time with teams, customers, and contractors. Send messages, files, and notifications. Schedule and manage meetings. Search for information and receive conversation summaries.
SmartLine Second Phone Number
GoDaddy.com, LLC
Answer calls and manage business communications
Manage business calls and texts with a separate . Answer calls to identify them as business-related. Make and send texts using the business . Filter spam calls to avoid unwanted interruptions. Use cellular connection for clear call quality.
Comcast Business
Comcast Cable Communications Management, LLC
Access accounts, manage services, track usage
Manage account details, view upcoming service appointments, pay bills, and check payment history. Track service requests and receive notifications. Access account summaries and contact support directly.
Fusion MobileConnect
Network Billing Systems, LLC
Connect and communicate instantly
View colleagues' presence status and send secure instant messages. Make and receive voice and video calls using a business phone number. Access call logs and voicemail.
OnPhone - Second Phone Number
AnyDay Apps Inc.
Manage lines with virtual numbers
Manage multiple lines without an extra SIM card. Create and use local numbers in specified countries. Make calls and send texts globally. Keep real private. Compatible with WhatsApp, Telegram, iMessage, and other services.
SpoofCard - Privacy Protected
Spoofcard LLC
Use numbers for private calls and texts
Manage private communications with a second phone number. Make and receive calls, send and receive texts. Set up dedicated numbers for personal or business use. Protect by separating personal and professional interactions.
UniFi Identity Endpoint
Ubiquiti Inc.
Unlock doors with a tap
Manage access with smart door unlocking and one-click WiFi and VPN connections. View live camera feeds for real-time collaboration. Charge electric vehicles and control security features remotely.
Talkroute
Talkroute, Inc.
Make and receive business calls
Make and receive calls using a phone number. Access call history to manage and return business calls. Check and manage voicemail messages. Send and receive text messages. Switch between multiple phone numbers.
Weave - Text, Call & Schedule
Weave Communications, Inc
Manage patients and appointments
Manage patient schedules and appointment types remotely. View daily bookings and their details. Send texts and make calls using an office number to protect personal contact information. Adjust phone hours and handle emergency forwarding.
RCN Business Office Mobility
RCN Telecom Services, LLC
Answer
Enable remote work by making and receiving calls on a mobile device. Transfer calls between mobile and phone without interruption. Access unified voicemail and call control. View inbound and outbound call activity.
Bria Mobile: VoIP Softphone
CounterPath Corporation
Call anytime, anywhere with SIP
Make and receive calls using SIP technology. Support HD audio and video calls. Integrate with XMPP and SIP SIMPLE protocols. Manage call server connections. Set up and configure communication preferences. Cancel subscription within trial period.
4Voice Companion
Ron Byer
Receive calls, manage forwarding, view contacts, check
Receive and place business calls from your iPhone. Manage call forwarding rules. View coworkers' contact details and status. Access voicemail messages.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.