6 alternatives · productivity & storage · 2026
Fastmail alternatives, by price.
Fastmail starts at $4 per user a month. Here is what 6 alternatives charge today. Standing prices, not promotions — each read from the vendor's own page and linked to its source.
Side by side
What the alternatives cost
| Product | Starts at | Against Fastmail | Free plan | Changes on record |
|---|---|---|---|---|
| Fastmail the one you are comparing against | $4 per seat / mo · Basic | — | — | none |
| Proton Proton | $3.99 per month, billed yearly · Mail Plus | not like-for-like | Yes | none |
| Google Workspace Google | $7 per seat / mo · Starter | 75% more | — | 3 since 2026 |
| Backblaze Backblaze | $99 per year · Personal backup | not like-for-like | — | none |
| Microsoft 365 Microsoft | $99.99 per year · Microsoft 365 Personal | not like-for-like | — | 7 since 2026 |
| Dropbox Dropbox | $9.99 per month · Plus | not like-for-like | Yes | 5 since 2026 |
| Superhuman Superhuman | $12 per seat / mo, billed yearly · Pro | 200% more | Yes | none |
CHEAPEST PAID PLAN FIRST. “NOT LIKE-FOR-LIKE” MEANS ONE IS PRICED PER USER AND THE OTHER IS NOT, ONE IS NOT BILLED BY THE MONTH OR YEAR, OR THEY ARE IN DIFFERENT CURRENCIES. THE RECORD DOES NOT CONVERT ANY OF THOSE.
Questions
Fastmail alternatives, answered
Q1 What is the cheapest alternative to Fastmail?
Proton, at $3.99 a month billed yearly for its Mail Plus plan — the lowest paid entry price of the 6 alternatives on the record. Fastmail itself starts at $4 per user a month. Proton, Dropbox and Superhuman also list a free plan.
Q2 Which Fastmail alternatives have a free plan?
Proton, Dropbox and Superhuman. Only a plan the vendor lists at $0 counts; free trials do not.
Q3 Is Fastmail more expensive than its alternatives?
No alternative on the record starts below Fastmail's $4 per user a month on a like-for-like basis.
Q4 How current are these prices?
Each pricing page is re-read by MarkupBot at least daily. The table shows the standing price of every plan — where a vendor is running a promotion, the price it reverts to — and every product name links to its dated history and the archived capture behind each figure.