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Productivity · head to head

Fastmail vs RemNote

Fastmail logo

Fastmail

Productivity

Paid email hosting with custom domains, calendar and contacts, run without ad-based revenue

From
$3/month
Rated
-
Full reviewWebsite
RemNote logo

RemNote

Productivity

Note-taking where lines become spaced repetition flashcards as you write them

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only RemNote has a free tier, so it costs nothing to try first.
  • Each has a real cost: Fastmail it does not provide end-to-end encryption by default, so users specifically wanting zero-knowledge mail should compare it against Proton Mail or Tuta rather than assume parity.; RemNote the free plan is unlimited on notes and flashcards but meters exactly what a student needs, at three annotated PDFs, five image-occlusion images and one handwritten document, so the trigger to pay arrives in the first week of a term rather than after a year.
  • They diverge on capability: Fastmail covers Custom domain hosting, RemNote covers Notes and cards in one document.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Fastmail and RemNote actually diverge.

Attributes where Fastmail and RemNote differ
AttributeFastmailRemNote
Starting price$3/monthFree
Pricing modelPer user per monthfreemium
Free tierNoYes
PlatformsWeb, iOS, Android, macOS, WindowsWeb

Identical on both: user rating (Not yet rated), category (Productivity).

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 Fastmail

  • Custom domain hosting
  • Masked email
  • Unlimited aliases
  • Integrated calendar and contacts
  • Migration tools
  • JMAP support

Only in RemNote

  • Notes and cards in one document
  • Spaced repetition scheduler
  • PDF annotation
  • Image occlusion
  • Handwriting documents
  • Exam scheduler
  • Unlimited notes and devices
  • Metered AI credits

What people use each for

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

Fastmail

  • Someone who wants their email address tied to a domain they own rather than a free provider they do notnot RemNote
  • A small business wanting hosted mail on its own domain without running mail server infrastructurenot RemNote
  • A person leaving Gmail specifically to stop an ad-funded provider processing their mailnot RemNote
  • A household migrating several accounts to one paid provider with shared billingnot RemNote

RemNote

  • Medical or law study where the sheer volume of material makes maintaining a separate flashcard deck impractical.not Fastmail
  • Annotating lecture slides and textbook PDFs so that highlights become review material directly.not Fastmail
  • Learning anatomy or any diagram-heavy subject where image occlusion is the effective card type.not Fastmail
  • Language learning where vocabulary emerges from reading notes rather than from a prepared deck.not Fastmail

Where each one falls short

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

Fastmail

  • It does not provide end-to-end encryption by default, so users specifically wanting zero-knowledge mail should compare it against Proton Mail or Tuta rather than assume parity.
  • Moving to Fastmail is a real migration with DNS changes for a custom domain, unlike installing a client such as Spark or Bluemail over an existing account.
  • There is no free tier at all, so a user just wanting to try it commits to a paid trial rather than a permanently free option.
  • Storage limits on the entry Basic plan are modest next to the free allowance Gmail gives, and heavy attachment users will need Standard or above.
  • Being based in Australia means it falls under Australian data access law, which some privacy-focused buyers weigh differently from Swiss or German jurisdictions used by Proton Mail and Tuta.

RemNote

  • The free plan is unlimited on notes and flashcards but meters exactly what a student needs, at three annotated PDFs, five image-occlusion images and one handwritten document, so the trigger to pay arrives in the first week of a term rather than after a year.
  • Notes can be exported as text, but the review history and scheduling state cannot be carried into another spaced repetition system, and after a year of study that scheduling state is the real asset rather than the notes.
  • Knowledge bases built over several years slow the application down, and because the method depends on daily reviews, the performance problems arrive exactly when you have the most invested and the least appetite to move.
  • AI features are metered in credits at a hundred a month on the free plan, and the tier that makes them usable costs more than double the standard paid plan, so the AI is effectively a second purchase rather than a feature of the product.
  • It is a small independent vendor serving individual students, with no organisational sales underwriting it, so anyone committing several years of study material is betting on the company's continuity without an institutional customer base as a safety net.

Pricing, plan by plan

Fastmail

$3/month
  • Basic$3/month
    • 6GB storage
    • No custom domain support
    • Core mail, calendar and contacts
  • Standard$5/month
    • 60GB storage
    • Custom domain support
    • Masked email and aliases
  • Professional$9/month
    • 150GB storage
    • Multiple custom domains
    • Priority support

RemNote

Free
  • Free PlanFree
    • Unlimited notes and flashcards
    • 3 annotated PDFs
    • 5 image occlusion cards
  • Pro$8/month
    • All Free features
    • Unlimited PDF annotation and image occlusion
    • Tables and templates
  • Pro with AI$18/month
    • All Pro features
    • 20000 AI credits monthly
    • Unlimited flashcard explanations

Which should you pick?

Choose Fastmail if

  • You need custom domain hosting.
  • You work on Web, iOS, Android, macOS, Windows.
  • You also want masked email.
Fastmail review

Choose RemNote if

  • You need notes and cards in one document.
  • You want to start without paying.
  • You also want spaced repetition scheduler.
RemNote review

Questions people ask

Is Fastmail or RemNote better?
Neither clearly leads. Fastmail starts at $3/month and RemNote at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Fastmail or RemNote?
RemNote has a free tier; the other does not. Paid plans start at $3/month for Fastmail and Free for RemNote.
Does Fastmail or RemNote run on more platforms?
Fastmail runs on Web, iOS, Android, macOS, Windows. RemNote runs on Web.
Can I use RemNote for free?
Yes. RemNote has a free tier, so you can try it without paying. Fastmail starts at $3/month.
What is Fastmail best used for?
Fastmail is most often used for someone who wants their email address tied to a domain they own rather than a free provider they do not, a small business wanting hosted mail on its own domain without running mail server infrastructure, a person leaving gmail specifically to stop an ad-funded provider processing their mail, a household migrating several accounts to one paid provider with shared billing. Of those, someone who wants their email address tied to a domain they own rather than a free provider they do not and a small business wanting hosted mail on its own domain without running mail server infrastructure are not what RemNote is typically brought in for.
What can Fastmail do that RemNote cannot?
Fastmail covers Custom domain hosting, Masked email, Unlimited aliases, Integrated calendar and contacts. RemNote covers Notes and cards in one document, Spaced repetition scheduler, PDF annotation, Image occlusion.

Answered from the vendors’ own pages

Fastmail: Is Fastmail a client like Spark, or does it host my email?

It hosts the mailbox itself; there is no separate provider underneath it the way Spark sits over Gmail.

RemNote: How is it different from Anki?

Anki is a flashcard system you feed, free and open with an enormous library of shared decks and a long record of stability. RemNote generates the cards from notes you are already writing, which saves the copying step but ties the cards to one vendor.

Fastmail: Does Fastmail offer end-to-end encryption?

Not by default in the way Proton Mail or Tuta do; its privacy position rests on being subscription-funded rather than ad-funded.

RemNote: Does it work offline?

An offline mode is offered. Sync conflicts across devices are the usual caveat, so test it with your own workflow before depending on it during an exam period.

Fastmail: Can I use my own domain?

Yes, from the Standard plan up, with full alias and masked email support.

RemNote: What does the free plan actually restrict?

Not notes or flashcards, which are unlimited, and not the number of devices. It restricts annotated PDFs, image occlusion images, handwritten documents, daily uploads and AI credits.

RemNote: Can I get my material out?

Notes export in text form. The scheduling state and review history do not transfer, so leaving means keeping your notes and restarting the review cycle from nothing.

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