Comparison

Reliable PBX vs VoxSun Ai

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

Head to head
About

Reliable PBX

Manage your business communications on the go with this mobile app. Place and receive calls, send SMS, and access voicemails from your dedicated business number. Features include call transfer, internal messaging, and contact management.

Highlights
  • Place and receive calls from business number
  • Send and receive SMS
  • Voicemail management
  • Call transfer
  • Internal messaging
  • Business contacts
  • User status indicator (BLF)
Features
Read full description

Reliable PBX app is a mobile app for your business communications. Sign up for a free trial and start using your business phone number right away. Features: Place and receive calls from your business number Send and receive SMS Transfer calls Call log Voicemails (Listen, Download, Share, Delete) Advance search Separate Business Contacts BLF (You can see whether another user is on the phone) Internal messaging Call forwarding

About

VoxSun Ai

Features
Read full description

Download the VoxSun App and start making unlimited calls from anywhere to anywhere at any time. The VoxSun app allows you to easily make and receive phones calls and check your voicemail as if you were in the office. Stay productive even while you're on the go... You need to have an account with VoxSun Telecom to use this VoxSun App. Use the VoxSun app on your iPhone to: - Make unlimited calls - Show your office number as your caller ID when you make calls from your smartphone, wherever you are or get a second dedicated phone number - Receive alerts for received messages GET YOUR BUSINESS PHONE SYSTEM IN THE CLOUD Unlimited Calling HD Voice Quality All business features included Auto Receptionist (IVR) Voice Recognition Phone Extensions Voicemail to Email Call Transfers Call Recording Second Line Virtual Fax Find Me – Follow Me SMS Text Messaging Chat VoxSun is constantly improving its services. If you have found any bugs or have a suggestion, please send us an email at support@voxsun.com. IMPORTANT: To use this app, you must have an active paid account with VoxSun Telecom.

Screenshots

Reliable PBX4 screens
VoxSun Ai2 screens

Verdict

The call

The clearest difference is update cadence: Reliable PBX at monthly against VoxSun Ai's every 3 months. On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

Reliable PBX ships an update monthly, VoxSun Ai every 3 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 9 level
Reliable PBX versus VoxSun Ai: the parameters behind the verdict, then further details
ParameterReliable PBXVoxSun Ai
PriceFreeFree
Rating4.4 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone
Requires iOS18.017 — better
Further details — not scored
Size114 MB48 MB
Age rating4+4+
DeveloperReliablePBXVoxSun Telecom

In-app purchases

None

Reliable PBX

No in-app purchases

None

VoxSun Ai

No in-app purchases

Questions

Is Reliable PBX free?
Reliable PBX is free to download, with no in-app purchases.
Is VoxSun Ai free?
VoxSun Ai is free to download, with no in-app purchases.
Do Reliable PBX or VoxSun Ai have ads?
Neither Reliable PBX nor VoxSun Ai shows ads.
Which is updated more often, Reliable PBX or VoxSun Ai?
Reliable PBX ships an update monthly, and VoxSun Ai every 3 months. Most recently, Reliable PBX was updated on November 7, 2026 and VoxSun Ai on October 30, 2026.

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