Yeastar Linkus Mobile Client vs SIPBlue 2.0
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Yeastar Linkus Mobile Client
Transform your mobile phone into an office extension, enabling seamless communication with colleagues and customers. Make and receive calls using your corporate phone network to reduce costs and maintain an in-office experience from anywhere.
- Enterprise VoIP calls over Wi-Fi/mobile data
- Unified corporate identity with one number reach
- Flexible ring strategies
- Corporate directory with status indicators
- PBX features like Call Transfer and Forwarding
- Push notifications for incoming calls
Read full descriptionHide full description
Linkus is a VoIP Mobile Client coordinated with Yeastar PBXs that makes your iOS mobile phone an office extension and links you and your colleagues and customers anywhere anytime. Make and receive calls through corporate phone network to slash call costs and enhance efficiency with consistent in-office experience. Key Capabilities - Make and receive enterprise VoIP calls over your Wi-Fi or mobile data networks to lower mobile voice charges - One number reach to conceal your personal mobile phone number and ensure unified corporate identity - Set up flexible ring strategy for Linkus and the desktop phone - Select different outbound routes for different destinations (local/long-distance/international, etc.) - Corporate directory integration with lookup and visual status indicator (available/unavailable/busy) - Configurable PBX features including Call Transfer, Call Forwarding, Call Waiting, DND, and Ring Timeout - Support Push Notifications to alert users of incoming calls while conserving energy Main Features Call Forwarding Call History Call Route Selection Call Transfer Call Waiting Contact Management Corporate Directory Do Not Disturb Extension Status Hold & Resume Native Contacts Integration One Touch Recording Outbound Route Selection PUSH Notification Ring Strategy Selection Speed Dial/Favorite Voicemail Specifications iOS Requirement: iOS 11.0 or higher Network: 2G/3G/4G or Wi-Fi Protocol: SIP FRC2361 Codec: iLBC/u-law/a-law/G722/G729 Network Protocol: TCP/IP/UDP, RTP/SRTP/RTCP, HTTP/HTTPS DTMF: Inband, RFC4733 (RFC2833), Info Important: This application is integrated with Yeastar PBXs; your administrator must provide you with identity information for you to start using.
SIPBlue 2.0
This communication app offers secure, high-definition voice and video calls, instant messaging, and SMS/MMS services. It features end-to-end encryption, call history, and an intuitive interface for seamless connectivity anywhere, anytime.
- HD voice and video calls
- Instant messaging
- SMS/MMS services
- End-to-end encryption
- Call history
- QR code login
- Auto provisioning
Read full descriptionHide full description
SIPBlue 2.0 is the business phone that goes wherever you do. Make and receive HD voice and video calls, send and receive SMS and MMS, and message your team, all from one clean, intuitive app on your iPhone. At your desk, on the road, or working from home, your business number and everything attached to it comes with you. BUILT FOR THE WAY YOU WORK • HD voice and video calling with crystal-clear audio • Two-way SMS and MMS from your business number • Instant messaging for quick team collaboration • Complete call history: incoming, outgoing, and missed calls at a glance • Full dialpad, contacts, and recents in a single window SET UP IN SECONDS Scan a QR code and you're signed in. No manual configuration, no support ticket. Prefer to enter your own SIP credentials? That works too. Choose SMS, Voice, or both, and SIPBlue 2.0 configures itself to match. NEVER MISS A CALL Incoming calls and messages ring through with push notifications, even when the app is in the background. Missed something? Your call history shows exactly who called, when, and whether you picked up, so you can get back to them in one tap. FOR MSPs AND IT TEAMS SIPBlue 2.0 is built to deploy at scale. Auto-provisioning and QR-code onboarding let you roll out an entire team without touching a single device, and users are productive within minutes. Connect to your QuestBlue services using the domain, port, and transport settings from your QuBePBX. Fewer setup calls, happier clients. ONE APP, EVERY DEVICE SIPBlue 2.0 is available for iPhone, Mac, Windows, and Android, so your team stays connected on whatever device they're using. Download SIPBlue 2.0 and take your business phone with you.
Screenshots
Verdict
The clearest difference is rating: SIPBlue 2.0 at 4.3 against Yeastar Linkus Mobile Client's 3.8. Yeastar Linkus Mobile Client's advantage is ratings volume (34 vs 7) and iOS requirement (15 vs 18.2). On price, update cadence, ads and in-app purchases 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.
SIPBlue 2.0 holds the better App Store score, 4.3 against 3.8. Both are backed by a comparable volume of ratings — 34 and 7 respectively.
Yeastar Linkus Mobile Client ships an update every 4 weeks, SIPBlue 2.0 every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Yeastar Linkus Mobile Client | SIPBlue 2.0 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (34 ratings) | 4.3 (7 ratings) — better |
| Positive reviews | 35.4% of reviews | — |
| Number of ratings | 34 — better | 7 |
| Update frequency | Every 4 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15 — better | 18.2 |
| Further details — not scored | ||
| Size | 71 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Yeastar | QuestBlue Systems, Inc |
Customer experience
Yeastar Linkus Mobile Client
SIPBlue 2.0
In-app purchases
Yeastar Linkus Mobile Client
No in-app purchases
SIPBlue 2.0
No in-app purchases
Questions
Is Yeastar Linkus Mobile Client free?
Is SIPBlue 2.0 free?
Which has better reviews, Yeastar Linkus Mobile Client or SIPBlue 2.0?
Do Yeastar Linkus Mobile Client or SIPBlue 2.0 have ads?
Which is updated more often, Yeastar Linkus Mobile Client or SIPBlue 2.0?
Other comparisons















