Vialer vs OnRelay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vialer
Make and receive business calls using your company's number from your smartphone. Track call history, view colleague availability, and manage your call statistics and accessibility settings. Requires a VoIP account and user credentials from a hosted telephony provider.
- Business number calling
- Recent calls list
- Colleague availability insight
- Call statistics management
- VoIP calling via 4G/WiFi
- Customizable accessibility
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Easily dial out with your business number using the Vialer app on your smartphone. In the app you can find made and received calls in the recent calls list. You have direct insight into the reachability of your colleagues and incoming calls automatically reach the right person in the organization. You can always view and adjust your statistics, call plan and accessibility. With the Vialer app you call via 4G or WiFi. The only thing you need is a VoIP account linked to your user account. After this, you can immediately start using VoIP calling. The called customer will see your business number on their screen. Note: to use this app, you need a user account from your hosted telephony provider. Want to know more about the app? Go to https://vialerapp.com
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.
- 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
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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
Verdict
The clearest difference is iOS requirement: Vialer at 14.0 against OnRelay's 16.4. On price, rating, ratings volume and update cadence 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 Vialer against 5.0 for OnRelay. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.
| Parameter | Vialer | OnRelay |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (2 ratings) |
| Number of ratings | 2 | 2 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 93 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | VoIPGRID | OnRelay |
Customer experience
Vialer
OnRelay
In-app purchases
Vialer
No in-app purchases
OnRelay
No in-app purchases








