Fastmail vs SaneBox
Compare Fastmail and SaneBox on features, pricing, and buyer fit using the same researched criteria.
Fastmail
Privacy-focused business email, calendar and contacts with custom domains and shared addresses — Business Basic from $3/user/month annual; adjacent to business communications, not a phone system.
Best for
- • Small teams that want private, independent business email on their own domain
- • Owner-operators who need shared support@ addresses and shared calendars cheaply
- • Buyers who need an email retention archive for legal compliance (Professional)
Starting from $3.00/user/mo
No free plan
VS
Our verdict
There is no universal winner between Fastmail and SaneBox. Choose Fastmail when Small teams that want private, independent business email on their own domain. Choose SaneBox when Individuals and small teams drowning in inbound email who want automatic triage. Criterion scores come from approved SoftwareGlimpse editorial assessments and first-party research — not hands-on lab testing.
Fastmail is better for
- ✓ CRM / CTI integrations
SaneBox is better for
- ✓ Routing & IVR
- ✓ Analytics
- ✓ AI features
Tie
- • Number / country coverage
- • Power dialer
- • WhatsApp Business
Choose Fastmail if: Small teams that want private, independent business email on their own domain
Choose SaneBox if: Individuals and small teams drowning in inbound email who want automatic triage
SaneBox
Per-person email triage that filters existing mailboxes into SaneLater/SaneBlackHole folders — Snack, Lunch and Dinner tiers with 1, 2 and 4 mailbox caps; adjacent to business communications.
Best for
- • Individuals and small teams drowning in inbound email who want automatic triage
- • Professionals tracking outstanding replies with SaneReminders (Lunch and above)
- • People managing multiple mailboxes who want one triage layer across them (Dinner)
Starting from $4.92/user/mo
No free plan
Fastmail vs SaneBox pricing
Fastmail researched starting price from $3/mo. SaneBox researched starting price from $4.92/mo. Affiliate economics excluded.
Fastmail
From $3.00/user/mo
SaneBox
From $4.92/user/mo
Fastmail
Starting from $3.00/user/mo
Free trial available
- Business Basic$3.00/user/mo
- $3/user/month billed annually ($4 monthly; $36 for 12 months). 5 GB for mail, calendar and contacts plus 1 GB file storage, custom business addresses on your domain, 24/7 human support.
- mail storage gb: 5
- file storage gb: 1
- Business StandardPopular$5.00/user/mo
- $5/user/month billed annually ($6 monthly; $60 for 12 months). 50 GB mail plus 10 GB files, shared email addresses like support@, layered shared calendars, shared company address book, offline support, scheduled send and snooze.
- mail storage gb: 50
- file storage gb: 10
- Business Professional$9.00/user/mo
- $9/user/month billed annually ($10 monthly; $108 for 12 months). 100 GB mail plus 50 GB files and an email retention archive for legal compliance.
- mail storage gb: 100
- file storage gb: 50
- Individual$5.00/mo
- $5/month billed annually ($6 monthly; $60 for 12 months) for a single mailbox with premium email, calendar and contacts.
- mail storage gb: 50
- file storage gb: 10
SaneBox
Starting from $4.92/user/mo
Free trial available
- Snack$4.92/mo
- About $4.92/month billed annually ($59/year; $7 month-to-month). One email account with core folders such as SaneLater and SaneBlackHole.
- email accounts: 1
- annual price: 59
- monthly price: 7
- LunchPopular$8.25/mo
- About $8.25/month billed annually ($99/year; $12 month-to-month). Two email accounts, more SaneFolders and SaneReminders follow-up tracking.
- email accounts: 2
- annual price: 99
- monthly price: 12
- Dinner$24.92/mo
- About $24.92/month billed annually ($299/year; $36 month-to-month). Four email accounts and every SaneBox feature, including SaneAttachments and the full folder set.
- email accounts: 4
- annual price: 299
- monthly price: 36
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
Fastmail
$45.00/mo
SaneBox
$73.80/mo
+$28.80/mo — SaneBox costs more
Verified monthly unit prices · Aug 17, 2026
Prices in USD
Shown per user / month from verified list pricing.
Plans can change
Confirm live vendor rates before purchasing.
Add-ons may apply
Calling, SMS, or usage fees can add cost.
Independence
Affiliate status never changes pricing outcomes.
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