186+ iOS apps curated and reviewed
With an average user rating of 4.3★, the sip number category is one of the App Store's strongest. Browse all 186+ apps we track, sorted so the most loved ones surface first.
Obtain a dedicated virtual phone number that is guaranteed to work with WhatsApp Business. Easily set up a separate business profile and communicate with customers without needing a new SIM card or device. Numbers are available from over 60 countries.
Get a dedicated second phone number for your business to maintain privacy and professionalism. This app ensures calls are business-related, offers a spam filter, custom voicemail, and voicemail-to-text transcription. Manage your business communications efficiently with organized history and timely notifications.
This app provides a dedicated phone number for calls, texts, and voicemail, syncing across devices for seamless use anywhere. It offers advanced spam filtering, call forwarding, and searchable message history. Voicemails are transcribed for easy reading and can be sent to your email.
Get a real, private mobile number for calls and texts without a carrier contract. Protect your personal information and separate your communications for business, dating, or travel.
Obtain a dedicated business phone number to separate personal and professional contacts. Easily set up local or toll-free numbers for calling, texting, and faxing, with optional features like call recording and transcription.
This app allows you to make high-quality voice and video calls over Wi-Fi or 3G using your PBX or VoIP provider. It offers features like call waiting, transfer, and recording, with background operation optimized for battery life. Easily configure accounts with a built-in QR code scanner.
Get a private, local phone number to stop spam and protect your identity. Receive texts, make unlimited calls, and use a temporary number for online sign-ups and transactions without revealing your real number.
This app provides a dedicated second phone number for private texting and calling. It offers features like unlimited SMS/MMS, custom voicemail, and auto-reply to help manage communications and keep conversations organized across devices.
Get a second phone number for calls and texts without needing a new SIM or device. This app provides real US, Canada, and Finland numbers for privacy, business, or personal use. Enjoy features like voicemail, call recording, and international calling.
This mobile SIP client integrates with cloud VoIP solutions, offering advanced call management and high-quality communication. It supports various codecs, multiple accounts, and secure calling features, with some premium functionalities available through in-app purchases.
Create a private second phone line for texting and calling without using your personal number. Ideal for online selling, dating, or business, it offers features like call recording and local area codes. Avoid roaming charges by calling over Wi-Fi.
Add a second business phone number to your smartphone for local, toll-free, or international calls and texts. Enjoy HIPAA-compliant secure messaging, call recording, and a virtual receptionist. Stay connected and productive on the go with reliable VoIP service.
Get instant global connectivity with an e-SIM in over 120 countries, avoiding roaming fees. This app also provides a second phone number for enhanced privacy and convenience, with unlimited calls and texts.
Obtain instant virtual phone numbers from various countries for private communication. Use these numbers for SMS verification, calls, and to maintain anonymity online. Offers global reach and professional communication solutions.
Get a private and secure virtual phone number for calls and texts without needing a new SIM card. Manage multiple lines with unique settings, voicemail, and call recording. Ideal for travelers, expats, and anyone needing to keep their primary number private.
This app provides a second phone number for calls and texts, enhancing privacy and communication. It offers features like call screening, blocking, and unlimited messaging over Wi-Fi, eliminating the need for cellular data.
This app provides a secondary phone number for various purposes, including bypassing SMS verification codes for app and web account creation. It offers a US cell phone plan with eSIM or SIM options and enables affordable international calls using a virtual temporary number.
Protect your personal number by using a private, disposable phone number for calls and texts. Choose your own number in any area code and receive verification codes without revealing your identity. Manage your privacy with features like auto-response and custom voicemail.
Obtain a secondary phone number for calls and texts without needing an extra SIM card. Use it for personal or professional purposes, including online marketplaces, dating, and business, while keeping your primary number private. Make affordable international calls and send SMS/MMS with this virtual line.