Proton Mail vs Quo: what each really costs
Team size
Billing
Proton Mail
No plan for this billing option
No paid plan to compare for this billing option.
Quo
No plan for this billing option
No paid plan to compare for this billing option.
| 10 people | Proton Mail | Quo |
|---|---|---|
| Entry paid plan | No plan for this billing option | No plan for this billing option |
| Vendor price | ||
| Monthly cost | ||
| Annual cost | ||
| Per user / year | ||
| Billing commitment | Not recorded | Not recorded |
| Minimum seats | None stated | None stated |
| Free plan | Yes | No free plan listed |
| Free trial | Not stated | Not stated |
Calculated by SpecEntry from official vendor prices. Taxes and optional add-ons are not included. Open each product page for every plan and the official source.
Proton Mail vs Quo: features
Key features as each vendor lists them. A feature missing from a list does not mean the product lacks it.
Proton Mail
- Zero-access encryptionProton cannot see the contents of your inbox on any plan.
- Email tracker blockingBlocks email trackers so companies cannot monitor you.
- Gmail import and syncConnect a Gmail account for automatic import and ongoing sync.
- Inbox categoriesIncoming emails are automatically sorted into categories.
- Phishing protectionPhishGuard blocks known phishing attempts and alerts you to suspicious emails.
- Hide-my-email aliasesCreate aliases when signing up for websites to hide your real address.
- Scheduled send and undoSchedule emails to send later and undo sent messages.
- Subscription managementSee all your email subscriptions in one place.
Source:proton.me/mail ·
Quo
- Sona AI answeringSona AI answers calls your team misses and hands off when needed.
- Call transcripts and summariesRecorded calls are transcribed and summarized.
- AI connectors and APIConnectors for Claude and ChatGPT, a public MCP server and an API.
- Shared inboxCalls, texts and contacts together in one shared space.
- Shared numbersShare one business number across the team.
- Call routingRoute incoming calls to the right person.
- Tool integrationsSync calls and texts with other business tools.
Source:quo.com ·
Proton Mail vs Quo pricing questions
How much do Proton Mail and Quo cost?
Proton Mail paid plans start at $3.99 per month, billed annually (Mail Plus Annual). Quo paid plans start at $15/user/month (Starter).
Is Proton Mail or Quo cheaper for 5 users?
Proton Mail is cheaper for 5 users: $47.88 per year on Mail Plus Annual, against $900 per year for Quo on Starter. That is $852.12 less per year, before tax.
Is Proton Mail or Quo cheaper for 10 users?
Proton Mail is cheaper for 10 users: $47.88 per year on Mail Plus Annual, against $1,800 per year for Quo on Starter. That is $1,752.12 less per year, before tax.
Is Proton Mail or Quo cheaper for 25 users?
Proton Mail is cheaper for 25 users: $47.88 per year on Mail Plus Annual, against $4,500 per year for Quo on Starter. That is $4,452.12 less per year, before tax.
Do Proton Mail and Quo have a free plan?
Proton Mail lists a free plan; Quo does not list one on its official pricing.