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News · head to head

NetNewsWire vs Substack

NetNewsWire logo

NetNewsWire

News

Free open source RSS reader for Mac and iOS, with no subscription, no ads and no feed limit

From
Free
Rated
-
Full reviewWebsite
Substack logo

Substack

News

The newsletter platform for writers and publishers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: NetNewsWire it has no built in YouTube, Reddit or Mastodon integration, so a user wanting social feeds alongside RSS needs Reeder instead.; Substack substack does not publish pricing on its public pricing page
  • They diverge on capability: NetNewsWire covers RSS and Atom parsing, Substack covers Newsletter publishing.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which NetNewsWire and Substack actually diverge.

Attributes where NetNewsWire and Substack differ
AttributeNetNewsWireSubstack
Pricing modelOpen source, no licence feefreemium
PlatformsMac, iOSWeb, Mobile
FoundedUnknown2017

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

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 NetNewsWire

  • RSS and Atom parsing
  • Third party sync
  • Unlimited feeds
  • Smart feeds
  • Local search
  • Open source

Only in Substack

  • Newsletter publishing
  • Subscriber management
  • Paid subscriptions
  • Email analytics
  • Post scheduling
  • Archive creation
  • Free/paid tier split
  • Comments & discussion

What people use each for

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

NetNewsWire

  • A reader who only wants traditional RSS and Atom feeds with no cap and no costnot Substack
  • Someone who tried Reeder free tier, hit the ten feed limit, and wants an unlimited free alternative insteadnot Substack
  • A developer who wants an open source reader they can inspect or contribute to on GitHubnot Substack
  • A user who wants feed sync through an existing Feedbin or Feedly account without paying for a separate reader subscriptionnot Substack

Substack

  • Newsletter distributionnot NetNewsWire
  • Reader monetizationnot NetNewsWire
  • Community buildingnot NetNewsWire
  • Subscriber managementnot NetNewsWire

Where each one falls short

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

NetNewsWire

  • It has no built in YouTube, Reddit or Mastodon integration, so a user wanting social feeds alongside RSS needs Reeder instead.
  • Cross-device sync requires a third party account such as Feedbin or Feedly for full functionality, which may itself carry its own cost.
  • As a volunteer-maintained project, new feature development and release cadence are slower than a funded commercial app.
  • It is Apple platforms only, with no Windows, Android or web client.
  • Its reading interface is more traditional and less gesture-driven than Reeder, which some users used to modern touch interactions find plainer.

Substack

  • Substack does not publish pricing on its public pricing page

Pricing, plan by plan

NetNewsWire

Free
  • NetNewsWireFree
    • Free and open source, no account required
    • No feed limit
    • Optional third party sync services

Substack

Free
  • FreeFree
    • Unlimited newsletters
    • Basic design
    • Archive access
  • Pro$12/month
    • Custom domain
    • Advanced analytics
    • Member chat

Which should you pick?

Choose NetNewsWire if

  • You need rss and atom parsing.
  • You want to start without paying.
  • You work on Mac, iOS.
  • You also want third party sync.
NetNewsWire review

Choose Substack if

  • You need newsletter publishing.
  • You want to start without paying.
  • You work on Web, Mobile.
  • You also want subscriber management.
Substack review

Questions people ask

Is NetNewsWire or Substack better?
Neither clearly leads. NetNewsWire starts at Free and Substack at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, NetNewsWire or Substack?
NetNewsWire starts at Free and Substack at Free.
Does NetNewsWire or Substack run on more platforms?
NetNewsWire runs on Mac, iOS. Substack runs on Web, Mobile.
Can I use NetNewsWire for free?
Both have a free tier, so you can try either at no cost before committing.
What is NetNewsWire best used for?
NetNewsWire is most often used for a reader who only wants traditional rss and atom feeds with no cap and no cost, someone who tried reeder free tier, hit the ten feed limit, and wants an unlimited free alternative instead, a developer who wants an open source reader they can inspect or contribute to on github, a user who wants feed sync through an existing feedbin or feedly account without paying for a separate reader subscription. Of those, a reader who only wants traditional rss and atom feeds with no cap and no cost and someone who tried reeder free tier, hit the ten feed limit, and wants an unlimited free alternative instead are not what Substack is typically brought in for.
What can NetNewsWire do that Substack cannot?
NetNewsWire covers RSS and Atom parsing, Third party sync, Unlimited feeds, Smart feeds. Substack covers Newsletter publishing, Subscriber management, Paid subscriptions, Email analytics.

Answered from the vendors’ own pages

NetNewsWire: Is NetNewsWire free?

Yes, entirely, and it is open source with no paid tier or ads.

Substack: How much does Substack cost?

Substack does not publish rates on its pricing page. The site emphasizes earning potential for writers with the tagline Make money doing the work you believe in.

Source
NetNewsWire: Does NetNewsWire sync across devices?

Yes, through third party sync services such as Feedbin, Feedly or iCloud, rather than a proprietary sync system of its own.

NetNewsWire: Does it support YouTube or Reddit like the new Reeder?

No. It is focused purely on RSS and Atom feeds with no social feed integration.

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