The closest alternatives to Fastmail on Lister are ProtonMail, Zoho Mail and Tutanota, the companies that share the most rankings with it. Each is compared below on its stated best fit, starting price and Lister Score.
How to choose an alternative to Fastmail
Start from what you need it for. Where each fits best, as Lister records it:
Closest to Fastmail by the rankings they share: ProtonMail (2 rankings), Zoho Mail (2 rankings) and Tutanota (2 rankings).
Free to start, by their stated pricing: ProtonMail, Zoho Mail, Tutanota, Gmail, Outlook, Apple Mail and Thunderbird.
Stated starting prices: Google Workspace ($6 per user/month), Microsoft 365 ($6 per user/month) and Bluehost ($2.95 per month).
Each Lister Score is the alternative's score on the ranking named in its row, so compare scores within one ranking rather than across rankings. How the score is made.
Each alternative in brief
01

Secure and encrypted email
#3 in Top 10 Email Clients and Services: Swiss-based encrypted email service prioritising user privacy with end-to-end encryption by default. Offers zero-knowledge architecture ensuring ProtonMail cannot access user emails.
PROS- Zero-access encryption keeps emails private from everyone
- Based in Switzerland with strict privacy laws
CONS- Limited integration with traditional third-party mail clients
- Storage limits can be restrictive on lower tiers
90.3
02

Secure business email for lean teams
#4 in Top 10 Email Hosting Providers: Zoho Mail offers secure, ad-free business email hosting with integrated calendar, contacts, and productivity tools.
PROS- Very affordable pricing plans for startups
- Ad-free interface even on the free tier
CONS- Mobile apps lack some advanced desktop features
- Customer support response times can be slow
88.0
03

Encrypted and sustainable email
#8 in Top 10 Email Clients and Services: German-based encrypted email service offering end-to-end encryption and minimal data collection. Features encrypted calendar and contact management alongside encrypted email.
PROS- End-to-end encryption for all emails and contacts
- Powered by 100 percent renewable energy
CONS- Cannot use standard IMAP or POP3 mail clients due to encryption
- Calendar and search features are limited on the free plan
78.7
04

#1 in Top 10 Email Clients and Services: Google's free email service offering 15GB storage, advanced spam filtering, and intelligent organisation powered by machine learning. Integrates seamlessly with Google Drive, Docs, and other Google services.
PROS- Industry-leading spam filtering
- Ubiquitous integration with third-party apps
CONS- Targeted advertising on free personal tiers
95.0
05

Professional Gmail and collaboration tools
#1 in Top 10 Email Hosting Providers: Google Workspace provides business email hosting via Gmail alongside access to Docs, Drive, and Meet under a custom domain.
PROS- Familiar and intuitive Gmail interface
- Seamless integration with Google productivity apps
CONS- Price increases can be steep for small businesses
- Privacy concerns regarding Google data collection policies
95.0
06

Enterprise email and Office applications
#2 in Top 10 Email Hosting Providers: Microsoft 365 offers enterprise-grade business email hosting through Exchange Online, bundled with Office desktop applications.
PROS- Industry standard Outlook desktop and web applications
- Advanced security and compliance features
CONS- Administration panel can be overly complex for beginners
- Pricing tiers have many overlapping features
92.7
07

Email and calendar built for productivity and collaboration
#2 in Top 10 Email Clients and Services: Microsoft's cloud-based email service offering 5GB free storage with optional Office 365 integration. Features powerful calendar management, task integration, and focus on enterprise security.
PROS- Superior calendar and task management features
- Excellent integration with Microsoft Office applications
CONS- Free tier storage limited to 5GB compared to Gmail's 15GB
92.7
08

#4 in Top 10 Email Clients and Services: Apple's integrated email application across Mac, iPhone, and iPad offering seamless synchronisation with iCloud. Features VIP inbox, conversation threading, and optimised privacy protections.
PROS- Clean, minimalist interface
- Seamless integration with Apple devices
CONS- Lacks advanced customisation options
88.0
09

#5 in Top 10 Email Clients and Services: Mozilla's free, open-source email client supporting multiple accounts, advanced filtering, and extensive customisation. Works across Windows, macOS, and Linux platforms.
PROS- Extensive add-on and theme ecosystem
- Strong focus on user privacy
CONS- Dated user interface out of the box
85.7
10

Reliable and beginner-friendly WordPress hosting
#6 in Top 10 Email Hosting Providers: Bluehost offers web hosting bundled with standard email hosting powered by either basic webmail or Microsoft 365.
PROS- Official WordPress recommendation
- Free domain name for the first year
CONS- Higher renewal rates after the initial term
83.3