243+ iOS apps & games curated and reviewed
With an average user rating of 3.6★, the sip number category is one of the App Store's strongest. Browse all 243+ apps and games we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | Free | — | No | Yes | Aug 2026 |
| 3 |  | Free | 3.0★ (3) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.7★ (18M) | Yes | Yes | Aug 2026 |
| 5 |  | $1.99 | 3.0★ (4) | No | No | Aug 2026 |
| 6 |  | Free | 3.0★ (2) | No | Yes | Jun 2026 |
| 7 |  | Free | 4.5★ (998) | No | Yes | Aug 2026 |
| 8 |  | Free | 5.0★ (1) | No | No | May 2026 |
Transform your iPhone or iPad into a second phone line without needing a SIM card. Make calls, send texts, and receive voicemails over Wi-Fi or data, keeping your personal and work life separate. Ideal for travel or maintaining privacy.
A professional SIP softphone client for developers and technical teams. It allows seamless connection to SIP systems across mobile and computer devices for account configuration, call control, and diagnostics.
Connect with friends and family globally through private messaging and high-quality calls. Share moments, documents, and stay in touch across devices, even on slow connections. Your conversations are secured with end-to-end encryption.
This powerful SIP softphone offers a flexible and robust calling experience with superb audio quality. It allows you to make calls over various networks and integrates with your existing contacts and SIP solutions, freeing you from traditional desk phones.
This app is a full-featured SIP softphone that works with any SIP server. It offers on-device AI for real-time call transcription and analysis, with advanced security and network features. It is not a standalone phone service and requires a SIP account from your provider.
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.
This SIP client connects to various telephone systems, offering call management features like hold, mute, and loudspeaker. It includes a phone book, call history, and customizable codecs for efficient communication on the go.
Easily monitor your daily fluid intake, including various beverages like water, tea, and coffee. The app intelligently calculates your hydration levels, considering factors like caffeine. It helps you establish healthy habits with personalized goals and timely reminders.
This app provides business communication tools including multichannel phone numbers, virtual PBX, and call recording. It offers flexible pricing and CRM integration to enhance business development and global connectivity.
This free SIP phone app allows users to configure their own registration server, account details, and network settings. It's designed for developers and operations personnel to test softswitch platforms and debug lines.
This mobile dialer app offers high-quality VoIP calls at reduced rates. It features a smart interface, real-time SIP status, and seamless address book integration. Optimized for low bandwidth, it ensures efficient communication on Apple devices.
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.
Get a second phone number for calls and texts without needing a new device. Manage business communications with features like call tagging, notes, visual voicemail, and business hours.
This SIP softphone client provides high-quality voice and video calls with robust security and customization options. It integrates seamlessly with VoIP providers for personal and professional use, offering features like instant messaging and call transfers.
