Email Management Tools

SaneBox vs Spark

Compare SaneBox and Spark side-by-side. See feature differences and pricing in the Email Management Tools category.

by SaneBox

No reviews yet

Pricing: Snack $3.49 a month billed monthly, or $2.04 a month paid biyearly; Lunch $5.99; Dinner $16.99 for 4 accounts and all features; 7-day trial, no ongoing no-cost tier; checked September 2026

SaneBox is AI email management software that sorts low-priority mail out of Gmail, Microsoft 365 or any IMAP inbox for people running one to four mailboxes.

10 /18 features Full profile

Spark

by Readdle

No reviews yet

Pricing: Free tier with unlimited email accounts; Plus $10 and Pro $20 per user a month, or $99 and $199 per user a year; Enterprise is quote only. Checked September 2026.

Spark is an email client for Mac, Windows, iOS and Android from Readdle, with a priority sorting Smart Inbox and shared threads for teams.

10 /18 features Full profile

Feature Comparison

Email Management Tools features side-by-side

Feature	SaneBox 10/18 features	Spark 10/18 features
Automatic sorting of low-priority mail Newsletters and notifications are moved out of the inbox into folders automatically.	Yes	Yes
One-click bulk unsubscribe Mailing lists are listed together and unsubscribed from in one action.	No	No
Bulk clean-up by sender or age Thousands of messages are grouped by sender or date and deleted or archived in one step.	Yes	No
Ongoing auto-clean rules A clean-up action can be saved as a rule that keeps running on new mail.	Yes	No
Follow-up reminders for sent mail The tool brings a sent message back if no reply arrives by a chosen time.	Yes	Yes
Open and link tracking on sent mail The sender is told when a message is opened or a link in it is clicked.	No	Yes
Scheduled sending with optimal-time suggestions Messages are queued for later, with suggested send times for a reply.	No	No
Defer messages back to the inbox later A message is removed now and returned at a set time or when the user is free.	Yes	Yes
Pause incoming mail New mail is held out of the inbox for a chosen period and released afterwards.	Yes	No
Daily digest of filtered messages A summary email lists what was filtered out of the inbox that day.	Yes	No
Move attachments to cloud storage Attachments are saved to Dropbox or Google Drive and replaced with links.	Yes	Yes
Notes and tasks attached to messages A private note or a task can be pinned to any email.	No	No
Centralized signature management Signatures are designed once and applied across users or accounts.	No	Yes
Mail merge from the inbox Personalized messages go to a list of recipients from the user's own mailbox.	No	No
Works across Gmail, Outlook and Apple Mail The tool runs with the major mail providers or clients rather than only one.	Yes	Yes
Screener for unknown senders Mail from first-time senders is held until the user approves them.	Yes	Yes
AI-drafted follow-ups and summaries An assistant writes follow-up messages and summarizes threads.	No	Yes
Free plan for email management A free tier exists, usually with a message or account limit.	No	Yes
Overall Rating	No reviews yet	No reviews yet

SaneBox 10/18 features

Automatic sorting of low-priority mail: Yes
One-click bulk unsubscribe: No
Bulk clean-up by sender or age: Yes
Ongoing auto-clean rules: Yes
Follow-up reminders for sent mail: Yes
Open and link tracking on sent mail: No
Scheduled sending with optimal-time suggestions: No
Defer messages back to the inbox later: Yes
Pause incoming mail: Yes
Daily digest of filtered messages: Yes
Move attachments to cloud storage: Yes
Notes and tasks attached to messages: No
Centralized signature management: No
Mail merge from the inbox: No
Works across Gmail, Outlook and Apple Mail: Yes
Screener for unknown senders: Yes
AI-drafted follow-ups and summaries: No
Free plan for email management: No

No reviews yet

Spark 10/18 features

Automatic sorting of low-priority mail: Yes
One-click bulk unsubscribe: No
Bulk clean-up by sender or age: No
Ongoing auto-clean rules: No
Follow-up reminders for sent mail: Yes
Open and link tracking on sent mail: Yes
Scheduled sending with optimal-time suggestions: No
Defer messages back to the inbox later: Yes
Pause incoming mail: No
Daily digest of filtered messages: No
Move attachments to cloud storage: Yes
Notes and tasks attached to messages: No
Centralized signature management: Yes
Mail merge from the inbox: No
Works across Gmail, Outlook and Apple Mail: Yes
Screener for unknown senders: Yes
AI-drafted follow-ups and summaries: Yes
Free plan for email management: Yes

No reviews yet

Pricing

SaneBox

Snack $3.49 a month billed monthly, or $2.04 a month paid biyearly; Lunch $5.99; Dinner $16.99 for 4 accounts and all features; 7-day trial, no ongoing no-cost tier; checked September 2026

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Spark

Free tier with unlimited email accounts; Plus $10 and Pro $20 per user a month, or $99 and $199 per user a year; Enterprise is quote only. Checked September 2026.

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