Quell
6.5#21 in ai email assistantsFrom A$14.95 a monthAndroidWebExtension
VisitQuell vs Serif
What both publish
| Fact | Quell | Serif |
|---|---|---|
| Compliance | Quell says it is aligned with GDPR and CCPA and is completing Google’s CASA security assessment, expected Q4 2026. | The security page claims SOC 2 Type 2, GDPR, HIPAA, Google Verified and CASA Tier 2 status. |
| Security | The security page states that traffic uses TLS 1.3 and minimal stored metadata is encrypted at rest with AES-256. | Serif states that it is SOC 2 Type 2, GDPR, and HIPAA compliant, and that emails are not used to train general AI models or stored on its servers. |
Quell plans
- ProA$14.95 a month
- High VolumeA$26.95 a month
Serif plans
- Lite$30 a month
- Standard$50 a month
- Pro$200 a month
- Team$50 a month
- EnterprisePriced on request
- FreeFree
Pick Quell if…
You want what its maker publishes above — check its page for the details.
Pick Serif if…
Serif is aimed at small businesses and operations teams that want routine shared-inbox and document tasks automated. Its escalation and approval options may suit teams that want to review replies before allowing more independent handling.