Free planning tool · No signup
CostChoices home →Business Phone / VoIP Cost Calculator
Estimate monthly and annual phone spend — then find the best-fit provider for your team size, features, and budget.
- ✓ Model seats, toll-free, extra numbers, and international add-ons
- ✓ Compare RingCentral, Grasshopper, Nextiva, and OpenPhone side by side
- ✓ Get ranked picks based on UCaaS depth, simplicity, support, and cost fit
Assumptions last reviewed: . Not financial advice — always verify live pricing before you buy.
How it works
Three simple steps — most people finish in under two minutes.
- 1
Describe your phone needs
Team size, lines, minute volume, toll-free, feature checklist, and budget — no account required.
- 2
See cost ranges
Monthly and annual estimates with conservative, base, and upside bands including modeled add-ons.
- 3
Get provider recommendations
Ranked picks based on UCaaS depth, simplicity, mobile quality, support, and cost fit.
What we optimize for
The calculator scores providers across eight dimensions and applies boosts for your stated priority.
Best all-in-one UCaaS
Voice, video, messaging, and deep integrations for growing teams.
Best for solopreneurs
Virtual business number and simple routing without a full PBX project.
Best support-forward SMB
Reliable VoIP with guided onboarding and bundled workflow tools.
Best modern small-team phone
App-first experience, shared numbers, and straightforward per-user pricing.
Providers we compare
- RingCentral
Full UCaaS platform unifying business phone, video meetings, team messaging, and fax with a large integration ecosystem.
View details → - Grasshopper
Virtual phone system for entrepreneurs — business number, extensions, and call routing layered on phones you already use.
View details → - Nextiva
Business VoIP and UCaaS with a reputation for support-forward onboarding and bundled productivity/CRM-lite capabilities.
View details → - OpenPhone
Modern business phone for startups and small teams — shared numbers, lightweight CRM touches, and simple per-user pricing.
View details →
Built for transparency
- ✓Assumptions are documented — per-user vs. flat plans, tier selection rules, and add-on heuristics live in open code.
- ✓Ranges, not false precision — phone bills vary with usage; we show conservative, base, and upside totals.
- ✓Transparent estimates — assumptions are documented and editable.
FAQ teaser
How much should a small business pay for VoIP? Do I need UCaaS or a virtual number? Which provider has the best mobile app?
Read the FAQ →