Compare
Onyx Phone next to the business phone services you are weighing
Each comparison lists the other service's published prices, how it charges, where it is stronger than Onyx Phone, and where Onyx Phone is the better fit. Prices were checked on October 24, 2026 and link to each company's own pricing page.
Quo vs RingCentral vs Onyx Phone
Where RingCentral gets cheaper than Quo, and what each costs a team of 1 to 100. See all three side by side.
Comparisons
Onyx Phone vs Quo
Onyx Phone and Quo (formerly OpenPhone) both charge per user with unlimited calling and texting. Onyx Phone costs less on every tier. Here is what differs.
Onyx Phone vs Google Voice
Google Voice is cheap if you already pay for Google Workspace. Onyx Phone needs no Workspace plan and adds phone menus, desk phones, and texting for teams.
Onyx Phone vs RingCentral
RingCentral RingEX starts at $30 per user a month billed monthly. Onyx Phone starts at $17, with unlimited texting. Here is what each includes.
Onyx Phone vs Grasshopper
Grasshopper charges per account and forwards calls to your cell. Onyx Phone charges per user and rings the browser, an app, and desk phones.
Onyx Phone vs Dialpad
Dialpad Standard is $27 per user a month billed monthly, and Pro needs three users. Onyx Phone starts at $17 per user with no minimum.
Onyx Phone vs Aircall
Aircall sells plans in blocks of three licenses from $40 each billed monthly. Onyx Phone starts at one user and $17 a month.
Onyx Phone vs Ooma Office
Ooma Office starts at $19.95 per user a month, and its entry plan leaves out texting. Onyx Phone includes unlimited texting from $17 per user.
Onyx Phone vs Vonage
Vonage Business Communications starts at $19.99 per line a month billed monthly. Onyx Phone starts at $17 per user with unlimited texting.
Onyx Phone vs Nextiva
Nextiva Core is $23 per user a month billed monthly. Onyx Phone starts at $17, with unlimited texting and no annual term needed.
Entry price at a glance
| Service | Lowest plan | Billed monthly | Billed yearly | Charged |
|---|---|---|---|---|
| Onyx Phone | Starter | $17 | $13 | Per user |
| Quo | Starter | $19 | $15 | Per user |
| Google Voice | Starter | $10 | Not published | Per user |
| RingCentral | RingEX Core | $30 | $20 | Per user |
| Grasshopper | True Solo | $18 | $14 | Per account |
| Dialpad | Standard | $27 | $15 | Per user |
| Aircall | Essentials | $40 | $30 | Per user |
| Ooma Office | Essentials | $19.95 | Not published | Per user |
| Vonage | Mobile | $19.99 | $13.99 | Per user |
| Nextiva | NEXT Core | $23 | $15 | Per user |
Monthly rates per user or per account, before taxes and fees. Each comparison has the full tier list and the extras each service charges for.
What to weigh besides the price
- Who pays. Most services charge for every person who answers. A few charge per account. With Onyx Phone, the plan includes a number for each user, which the team can share, and unlimited calling and texting in the US and Canada.
- Texting. Some plans limit texts per user each month or leave texting out. Onyx Phone includes unlimited two-way texting on every plan, after US carrier registration.
- Minimum seats. Some services sell their plans only in blocks of three or more users. Onyx Phone starts at one.
- What rings. Browser, phone app, and desk phone support differ. Onyx Phone rings all three at once.
- Moving your number. Porting is free with Onyx Phone, and there are step-by-step porting guides for each carrier.
Included on every plan
Starter is $17, Business is $29, Scale is $42 per user a month, or less billed yearly. The plan includes a business number for each user and unlimited calling and texting in the US and Canada. Every plan starts with a 7-day free trial, and moving your current number over is free.