6 alternatives · productivity & storage · 2026
Proton alternatives, by price.
Proton starts at $3.99 a month billed yearly. 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 Proton | Free plan | Changes on record |
|---|---|---|---|---|
| Proton the one you are comparing against | $3.99 per month, billed yearly · Mail Plus | — | Yes | none |
| Fastmail Fastmail | $4 per seat / mo · Basic | not like-for-like | — | none |
| Google Workspace Google | $7 per seat / mo · Starter | not like-for-like | — | 3 since 2026 |
| Backblaze Backblaze | $99 per year · Personal backup | 107% more | — | none |
| Microsoft 365 Microsoft | $99.99 per year · Microsoft 365 Personal | 109% more | — | 7 since 2026 |
| Dropbox Dropbox | $9.99 per month · Plus | 150% more | Yes | 4 since 2026 |
| Superhuman Superhuman | $12 per seat / mo, billed yearly · Pro | not like-for-like | 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
Proton alternatives, answered
Q1 What is the cheapest alternative to Proton?
Fastmail, at $4 per user a month for its Basic plan — the lowest paid entry price of the 6 alternatives on the record. Proton itself starts at $3.99 a month billed yearly. Dropbox and Superhuman also list a free plan.
Q2 Which Proton alternatives have a free plan?
Dropbox and Superhuman. Only a plan the vendor lists at $0 counts; free trials do not.
Q3 Is Proton more expensive than its alternatives?
No alternative on the record starts below Proton's $3.99 a month billed yearly 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.