Comparison

Yeastar Linkus Mobile Client vs Paradox

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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.

About

Paradox

Manage your Paradox security systems remotely. Control security, video verification, surveillance, automation, and access all from one application. Offers a comprehensive solution for total system oversight.

Highlights
  • Security system management
  • Video verification
  • Surveillance control
  • Automation features
  • Access control
Features
Read full description

Blue Eye connect and interface with Paradox systems for management of the security, Video verification and surveillance , Automation and access. developed for "one stop solution", One application, full control.

Screenshots

Yeastar Linkus Mobile Client4 screens
Paradox4 screens

Verdict

The call

The clearest difference is rating: Yeastar Linkus Mobile Client at 3.7 against Paradox's 1.4. Yeastar Linkus Mobile Client also leads on review sentiment (36% vs 8%) and ratings volume (34 vs 9). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Yeastar Linkus Mobile Client holds the better App Store score, 3.7 against 1.4. Both are backed by a comparable volume of ratings — 34 and 9 respectively. Written reviews point the same way: 36% of Yeastar Linkus Mobile Client's written reviews are positive against 8% of Paradox's.

UpkeepUpdate frequency

Yeastar Linkus Mobile Client ships an update every 3 weeks, Paradox fortnightly. The most recent releases landed on September 20, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 7 level
Yeastar Linkus Mobile Client versus Paradox: the parameters behind the verdict, then further details
ParameterYeastar Linkus Mobile ClientParadox
PriceFreeFree
Rating3.7 (34 ratings) — better1.4 (9 ratings)
Positive reviews35.7% of reviews — better8.1% of reviews
Number of ratings34 — better9
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS1514.0 — better
Further details — not scored
Size71 MB360 MB
Age rating4+4+
DeveloperYeastarParadox Security Systems Ltd.

Customer experience

Yeastar Linkus Mobile Client

All ratings34 ratings
Positive64.7%
Neutral11.8%
Negative23.5%
Written reviews112 reviews
Positive35.7%
Neutral10.7%
Negative53.6%

Paradox

All ratings9 ratings
Positive11.1%
Neutral0.0%
Negative88.9%
Written reviews372 reviews
Positive8.1%
Neutral5.6%
Negative86.3%

Bugs and requests

Yeastar Linkus Mobile Client

Not enough reviews yet to summarise bugs or requests.

Paradox

Reported bugs

16 issues
  • App won't connect to alarm panel after updates
  • Connection unstable message with 15-minute refresh requirement
  • App crashes when accessing menu button
  • Video download functionality causes crashes
  • Subscription renewal returns 'operation failed' error
Show 11 more
  • Biometric login doesn't activate when enabled
  • App won't open on some devices
  • Login takes up to 2 minutes with multiple failed attempts
  • Event timestamps display incorrect dates (2001)
  • App unresponsive after recent updates
  • Connection issues persist even with hardwired Ethernet
  • App crashes when adding or modifying users
  • Badge notifications don't disappear after viewing events
  • Static IP connections stopped working after updates
  • App refuses to connect if not returning to main menu
  • Notification delivery unreliable (especially on silent mode)

Requested features

12 requests
  • Apple Watch support for arming/disarming
  • Apple HomeKit integration
  • Siri Shortcuts support
  • Widget support for quick access
  • Critical notification feature for iOS (silent mode alerts)
Show 7 more
  • Local IP connection option without Swan server requirement
  • Clear armed/disarmed status display
  • Ability to clear notifications
  • Time and date setting functionality
  • Simpler arming/disarming process with fewer clicks
  • Multi-user status visibility when multiple people control same alarm
  • Professional French translation by certified translator

In-app purchases

None

Yeastar Linkus Mobile Client

No in-app purchases

None

Paradox

No in-app purchases

Questions

Is Yeastar Linkus Mobile Client free?
Yeastar Linkus Mobile Client is free to download, with no in-app purchases.
Is Paradox free?
Paradox is free to download, with no in-app purchases.
Which has better reviews, Yeastar Linkus Mobile Client or Paradox?
Yeastar Linkus Mobile Client is rated higher. Yeastar Linkus Mobile Client averages 3.7 out of 5 from 34 ratings, while Paradox averages 1.4 from 9 ratings.
Do Yeastar Linkus Mobile Client or Paradox have ads?
Neither Yeastar Linkus Mobile Client nor Paradox shows ads.
Which is updated more often, Yeastar Linkus Mobile Client or Paradox?
Yeastar Linkus Mobile Client ships an update every 3 weeks, and Paradox fortnightly. Most recently, Yeastar Linkus Mobile Client was updated on September 20, 2026 and Paradox on September 16, 2026.

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