Infinity vs SIPERB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Infinity
This app provides Unified Communications by extending VoIP functionality to mobile devices. Users can maintain a consistent identity for calls, manage contacts, voicemail, and call history from one place. It also allows for efficient communication through answering rules, greetings, and presence management.
- Unified Communications solution
- VoIP functionality on mobile
- Maintain same identity across devices
- Contact management
- Voicemail and call history
- Answering rules and presence management
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Infinity - 1st Call is a SIP softclient that extends VoIP functionality beyond the land line or desktop, bringing features of the platform directly to end user's mobile devices as a Unified Communications solution. With Infinity, users are able to maintain the same identity when making or receiving calls from any location, regardless of device. Infinity also grants users the ability to manage contacts, voicemail, call history and configurations in a single location. This includes the management of answering rules, greetings and presence which all contribute to more efficient communication.
SIPERB
This app transforms your mobile device into a full business phone extension, enabling VoIP voice and video calls, messaging, and call management. It seamlessly integrates with existing SIP PBX systems, offering a unified communication experience across devices for remote and hybrid teams.
- VoIP voice and video calls
- Business call control (hold, transfer, conference)
- Integration with existing SIP PBX
- Cross-device synchronization
- Admin web portal for management
- Voicemail to email/transcription
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Siperb is a SIP softphone that turns your phone into a full extension on your business phone system. Register to Asterisk, FreePBX or any SIP PBX and make and take VoIP calls from anywhere, with voice, video and messaging in one app. WORKS WITH YOUR EXISTING PBX Siperb connects to the SIP phone system you already run. No new hardware, no rip-and-replace. Whether your PBX speaks WebRTC or plain SIP, Siperb bridges it, so your mobile softphone, desktop and web browser all ring as the same extension. VOICE AND VIDEO CALLING • Clear VoIP audio calls over Wi-Fi or mobile data • Video calls, front or back camera, with full-screen view • Native call screen: answer calls like a regular phone call • Push notifications so you never miss an incoming call • Bluetooth, speaker and earpiece support CALL CONTROL FOR BUSINESS • Hold, mute and transfer • Three-way conference calling • Call recording • DTMF keypad for IVR menus and voicemail • Call history with call quality details MOBILE, DESKTOP AND WEB The same SIP softphone runs on any phone, desktop and in a web browser. Start on one device, pick up on another; your messages and call history follow you. FOR TEAMS AND ADMINS Siperb includes an admin web portal to manage users, review call recordings, view call detail records and monitor call quality. Voicemail can be delivered straight to email or transcribed. GLOBAL NETWORK Multiple points of presence around the world keep latency low and calls clear. WHO IT'S FOR • Businesses running Asterisk, FreePBX or another SIP PBX • Remote and hybrid teams who need their desk extension on their phone • Resellers and IT providers who want a reliable VoIP softphone for their customers NOTE: Siperb needs an account on a SIP PBX or a Siperb service. Contact your phone system provider or visit siperb.com to get started.
Screenshots
Verdict
The clearest difference is update cadence: SIPERB at every 2 weeks against Infinity's every 29 months. On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Infinity against 5.0 for SIPERB. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Infinity ships an update every 29 months, SIPERB every 2 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.
| Parameter | Infinity | SIPERB |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 29 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 121 MB | 46 MB |
| Age rating | 17+ | 4+ |
| Developer | 1st Call | SIPERB LTD |
Customer experience
Infinity
SIPERB
In-app purchases
Infinity
No in-app purchases
SIPERB
No in-app purchases









