Automate Basics

Spark Mail vs SaneBox

Pick up to 4 tools and see their free plans, entry prices, platforms and limits in one table. Every fact comes from each vendor's own pages, checked 23 September 2026.

Compared on
Spark Mail

Free plan · from $8.25/user/mo

SaneBox

Free trial · from $5.42/mo

What it isCross-platform email app with a smart inbox, AI writing and team featuresEmail filtering service that sorts less important mail into separate folders
Free planUnlimited email accounts and core email features; AI assistant limited to 1 month of email history; 5 AI meeting notes (lifetime); 2 free active collaborators; 10 assignments per team; 5 GB team file storage.No
Cheapest paid plan$8.25/user/mo billed annually (Plus)Spark Mail pricing$5.42/mo billed annually (Snack)SaneBox pricing
What it covers$99 per year when billed annually.1 email account and 2 SaneBox features; $4.54 per month when paid every two years. Educational, non-profit and government agencies can get 25% off.
Free trial7-day free trial of Plus or Pro when subscribing in the app7-day free trial with all features for up to 4 email accounts
PlatformsmacOS, Windows, iOS, AndroidiOS, Android
Integrations (vendor's figure)Not statedNot stated
Open sourceNoNo
Good for
  • Managing several email accounts in one app across computer and phone
  • Drafting and summarising emails with AI
  • Sharing and assigning emails within a small team
  • Cutting inbox clutter without switching email apps
  • Keeping newsletters out of the main inbox
  • Cleaning up a long-neglected inbox
Watch out for
  • Free plan AI assistant only covers 1 month of email history and includes 5 lifetime meeting notes
  • Free plan allows 2 active collaborators and 10 assignments per team
  • Workflows, Auto-Labels and Auto-Drafts are listed as coming soon on Pro
  • No free plan; only a 7-day trial
  • Snack covers 1 email account with 2 features; all features require Dinner
  • Relies on folders, which POP email accounts do not support
Made byReaddle (Spark Mail Limited)SaneBox, Inc.

Entry prices are the cheapest paid plan, as each vendor publishes it; “What it covers” says what that price is per (a user, a channel, a brand, a number of contacts). The sources are listed on each tool's page.

Every tool in AI email and inbox tools is on its category page, with the written head-to-heads on Compare.