Proton
Pumble
| Feature | Proton | Pumble |
|---|---|---|
| Pricing | Free / from $3.99/mo | Free / from $2.49/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.3 / 5 |
| Best For | privacy-advocates, journalists, activists, security-conscious-users | small-teams, startups, budget-conscious-teams, remote-teams |
| Founded | 2014 | 2020 |
| Encrypted Email | ✓ | ✗ |
| Vpn | ✓ | ✗ |
| Cloud Storage | ✓ | ✗ |
| Calendar | ✓ | ✗ |
| Password Manager | ✓ | ✗ |
| Aliases | ✓ | ✗ |
| Self Destructing Messages | ✓ | ✗ |
| Channels | ✗ | ✓ |
| Direct Messages | ✗ | ✓ |
| Video Calls | ✗ | ✓ |
| Screen Sharing | ✗ | ✓ |
| File Sharing | ✗ | ✓ |
| Threads | ✗ | ✓ |
✓ Proton Pros
- End-to-end encryption for all services
- Swiss-based with strong privacy laws
- Open-source and independently audited
- Comprehensive privacy suite (mail, VPN, drive, calendar)
- Free tier available for all services
✗ Proton Cons
- Free storage is limited (1GB for mail)
- Less feature-rich than mainstream alternatives
- Search functionality limited due to encryption
✓ Pumble Pros
- Unlimited message history on free plan
- Very affordable paid plans
- Familiar Slack-like interface
- Good video calling
✗ Pumble Cons
- Smaller integration ecosystem
- Less mature than Slack
- Limited automation features
The Verdict
Proton is built for privacy advocates and journalists, with a focus on encrypted-email and vpn. Pumble targets small teams and startups and leads with channels and direct-messages.
Pricing is close: Pumble starts at $2.49/mo versus $3.99/mo for Proton — not a deciding factor on its own.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, Proton offers broader built-in capabilities (7 features vs 6), while Pumble takes a more focused approach — which can mean a simpler, faster onboarding experience.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.