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Readwise Reader vs Spark Mail

Readwise Reader logo

Readwise Reader

News

The read-it-later app for power readers

From
Free
Rated
-
Full reviewWebsite
Spark Mail logo

Spark Mail

Productivity

AI-assisted email client from Readdle with a Smart Inbox and team collaboration features

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Readwise Reader there is no free tier, only a 30 day trial; Spark Mail several sync features route mail metadata and, for some features, credentials through Readdle servers, which is a materially different trust model from a local-only IMAP client.
  • They diverge on capability: Readwise Reader covers Read-it-later, Spark Mail covers Smart Inbox.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Readwise Reader and Spark Mail actually diverge.

Attributes where Readwise Reader and Spark Mail differ
AttributeReadwise ReaderSpark Mail
Pricing modelfreemiumPer user per month
PlatformsIos, Android, WebmacOS, Windows, iOS, Android, Web
CategoryNewsProductivity
Founded2017Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Readwise Reader

  • Read-it-later
  • RSS aggregation
  • Newsletter inbox
  • PDF support
  • Highlighting
  • Notion
  • Obsidian
  • Roam Research

Only in Spark Mail

  • Smart Inbox
  • AI Copilot
  • AI Summaries
  • Team collaboration
  • Send later and snooze
  • Multi-account unified inbox

What people use each for

The jobs each tool is most often brought in to do.

Readwise Reader

  • Reading and note-takingnot Spark Mail
  • Highlight managementnot Spark Mail
  • Learning and studynot Spark Mail
  • Content curationnot Spark Mail

Spark Mail

  • A freelancer juggling Gmail and Outlook accounts who wants one AI-assisted inboxnot Readwise Reader
  • A small support team sharing a single inbox with internal notes before replyingnot Readwise Reader
  • Someone who wants drafts and summaries generated without switching to a new mail hostnot Readwise Reader
  • A user who wants notification triage without writing their own filtersnot Readwise Reader

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Readwise Reader

  • There is no free tier, only a 30 day trial
  • Reader is bundled into the full plan rather than sold separately, so it cannot be had at the cheaper Lite price
  • The Lite plan at $5.59 a month billed annually is daily email review only, without the web app or tagging
  • Paying monthly rather than annually raises the full plan from $9.99 to $12.99

Spark Mail

  • Several sync features route mail metadata and, for some features, credentials through Readdle servers, which is a materially different trust model from a local-only IMAP client.
  • It is a client over accounts you still pay for elsewhere, so the total cost is Spark plus whatever Gmail, Outlook or Fastmail plan you already hold.
  • The free tier lacks AI Copilot and summaries, so the features it is best known for sit behind the paid plan.
  • Team features are basic next to dedicated shared-inbox tools like Front or Help Scout, so a support team scaling past a few agents will likely outgrow it.
  • Windows and Android versions have historically lagged the macOS and iOS apps in feature parity.

Pricing, plan by plan

Readwise Reader

Free
  • Free TrialFree
    • 30 days free
    • No credit card required
  • Readwise Annual$9.99/month
    • Full Readwise and Reader access
    • Billed annually
    • Includes unified reading platform
  • Readwise Monthly$12.99/month
    • Full Readwise and Reader access
    • Billed monthly
    • Includes unified reading platform

Spark Mail

Free
  • BasicFree
    • Unlimited accounts
    • Smart Inbox
    • Basic send later
  • Premium$7.99/month
    • AI Copilot and summaries
    • Unlimited snooze and send later
    • Priority support
  • Premium Teams$10/month
    • Shared inboxes
    • Delegation and internal comments
    • Admin controls

Which should you pick?

Choose Readwise Reader if

  • You need read-it-later.
  • You want to start without paying.
  • You work on Ios, Android, Web.
  • You also want rss aggregation.
Readwise Reader review

Choose Spark Mail if

  • You need smart inbox.
  • You want to start without paying.
  • You work on macOS, Windows, iOS, Android, Web.
  • You also want ai copilot.
Spark Mail review

Questions people ask

Is Readwise Reader or Spark Mail better?
Neither clearly leads. Readwise Reader starts at Free and Spark Mail at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Readwise Reader or Spark Mail?
Readwise Reader starts at Free and Spark Mail at Free.
Does Readwise Reader or Spark Mail run on more platforms?
Readwise Reader runs on Ios, Android, Web. Spark Mail runs on macOS, Windows, iOS, Android, Web.
Can I use Readwise Reader for free?
Both have a free tier, so you can try either at no cost before committing.
What is Readwise Reader best used for?
Readwise Reader is most often used for reading and note-taking, highlight management, learning and study, content curation. Of those, reading and note-taking and highlight management are not what Spark Mail is typically brought in for.
What can Readwise Reader do that Spark Mail cannot?
Readwise Reader covers Read-it-later, RSS aggregation, Newsletter inbox, PDF support. Spark Mail covers Smart Inbox, AI Copilot, AI Summaries, Team collaboration.

Answered from the vendors’ own pages

Readwise Reader: How much does Readwise Reader cost?

Readwise (including Reader) costs $9.99 per month when billed annually or $12.99 per month when billed monthly USD. Readers can access articles, PDFs, newsletters, RSS feeds, and YouTube videos across web and mobile.

Source
Spark Mail: Does Spark host my email?

No. It is a client that connects to Gmail, Outlook, iCloud or any IMAP account; you still need a mail host.

Readwise Reader: Is there a free trial for Readwise Reader?

Yes, Readwise offers a 30-day free trial with no credit card required. Some users who let their trials expire may qualify for an additional extended trial.

Source
Spark Mail: Does Spark store my email credentials on its servers?

For some features, including cross-device snooze and send-later sync, yes. It is part of how those features stay consistent across devices.

Readwise Reader: How much can students save on Readwise?

Readwise offers 50% discounts to verified students, educators, non-profits, military, first responders, and individuals in countries where US pricing is unaffordable. Interested users should contact [email protected] to request eligibility.

Source
Spark Mail: Is there a one-time purchase option?

No, Spark is subscription only for individuals and teams; the base client is free but AI and unlimited scheduling need Premium.

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