Comparison

iTeleCenter vs OnRelay

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

Head to head
About

iTeleCenter

This app transforms your mobile phone into a virtual office, allowing you to manage business calls, voicemails, and faxes. It keeps your personal number private while enabling professional communication and message management.

Highlights
  • Use virtual number as caller ID
  • Return calls from messages
  • Manage business messages and faxes
  • Receive push notifications
  • Read voicemails
  • View faxes
Features
Read full description

Download the iTeleCenter app for iPhone – the mobile companion to your iTeleCenter virtual phone system. Turns your mobile phone into your mobile office – take calls, read your voicemail, view faxes – make calls via iTeleCenter and keep your mobile number private. Use the iTeleCenter app on your iPhone to: -Make calls using your iTeleCenter number as caller ID – keep your personal number private! -Return calls just by tapping the call back button on a message -Keep your business messages and faxes separate from your personal ones -Receive Push notifications for messages and faxes -Read your Voicemail -Receive and View Faxes Get the iTeleCenter Virtual Phone System that includes: -Local, Vanity, 1 800 or other Toll Free Numbers -Multiple Extensions -Call Forwarding -Call Transfer -Call Recording -Send/Receive Faxes Online -Auto-Attendant -Music on hold -Instant Message/Fax Notification -Read your Voicemail -Professionally Recorded Greetings -Dial by Name directory Please note:You must have an active iTeleCenter service plan in order to use the iTeleCenter app on your iPhone.

About

OnRelay

This business phone service allows you to manage your company's mainline calls and use your business phone numbers directly from your smartphone. It eliminates the need for traditional desk phones and on-premises hardware, offering features like auto attendants and call transfers. Seamlessly separate business and personal calls while enabling texting and instant messaging.

Highlights
  • Use business phone numbers on smartphone
  • Manage company mainline calls
  • Auto attendant and call transfers
  • Separate business and personal calls
  • Texting and instant messaging
  • Works over any carrier, not VoIP
Read full description

OnRelay is a turn-key, software-only, mobile business phone service. OnRelay allows you to use your business phone numbers and manage your company mainline calls from your smartphone. OnRelay also eliminates the need and expense of land-line desk phones and their associated on-premises hardware, cabling and infrastructure. OnRelay’s office phone system uses standard cellular voice connections, it works over any carrier, and is not a VoIP app. OnRelay includes a comprehensive mainline feature with an auto attendant, call groups, easily configurable voice menus and extension transfers. OnRelay thereby allows a virtual or mobile organisation to effectively handle, distribute and respond to customer calls in a professional manner. The Office Phone App also lets you separate your office phone calls and your personal calls on your iPhone. You can seamlessly place and receive calls using either your direct office phone number, your main company number or your personal cell number. You can also easily control when you are available for office calls and see whether incoming calls are company mainline calls, direct office calls, or regular personal cell calls. Texting from both direct numbers and main company numbers are also fully supported, as well as instant messaging between extensions and between all members of a call group. For further information please see: Demo Video: www.onrelay.com/demo-video Licensing and Terms of Use: www.onrelay.com/about/software-licensing-terms-of-use Privacy Policy: www.onrelay.com/privacy-policy Service Level Agreement: www.onrelay.com/service-level-agreement

Screenshots

iTeleCenter4 screens
OnRelay4 screens

Verdict

The call

The clearest difference is ratings volume: iTeleCenter at 130 against OnRelay's 2. iTeleCenter also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.4). OnRelay's advantage is rating (5.0 vs 4.7) and update cadence (every 3 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model 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

OnRelay holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: iTeleCenter has 130 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

iTeleCenter ships an update every 6 weeks, OnRelay every 3 weeks. The most recent releases landed on September 22, 2026 and June 12, 2026 respectively.

Scorecard5 real differences · 5 level
iTeleCenter versus OnRelay: the parameters behind the verdict, then further details
ParameteriTeleCenterOnRelay
PriceFreeFree
Rating4.7 (130 ratings)5.0 (2 ratings) — better
Positive reviews61.5% of reviews—
Number of ratings130 — better2
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better16.4
Further details — not scored
Size18 MB10 MB
Age rating4+4+
DeveloperCOA NetworkOR Inc

Customer experience

iTeleCenter

All ratings130 ratings
Positive91.5%
Neutral5.4%
Negative3.1%
Written reviews13 reviews
Positive61.5%
Neutral15.4%
Negative23.1%

OnRelay

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

iTeleCenter

No in-app purchases

None

OnRelay

No in-app purchases

Questions

Is iTeleCenter free?
iTeleCenter is free to download, with no in-app purchases.
Is OnRelay free?
OnRelay is free to download, with no in-app purchases.
Which has better reviews, iTeleCenter or OnRelay?
OnRelay is rated higher. iTeleCenter averages 4.7 out of 5 from 130 ratings, while OnRelay averages 5.0 from 2 ratings.
Do iTeleCenter or OnRelay have ads?
Neither iTeleCenter nor OnRelay shows ads.
Which is updated more often, iTeleCenter or OnRelay?
iTeleCenter ships an update every 6 weeks, and OnRelay every 3 weeks. Most recently, iTeleCenter was updated on September 22, 2026 and OnRelay on June 12, 2026.

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