Comparison

Fastmail vs PSMailbox

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fastmail

This app offers a privacy-focused email, contacts, and calendar experience with powerful tools for organization and communication. It provides features like offline access, advanced search, and customizable actions to streamline your workflow. Enjoy a secure and ad-free environment designed for efficient personal and professional use.

Highlights
  • Offline email, contacts, and calendar access
  • Powerful search with attachment indexing
  • Inbox decluttering tools (snooze, mute, block spam)
  • Customizable swipe gestures
  • Shared calendars for planning
  • Secure, private, and ad-free experience
Features
Read full description

Email, contacts, and calendars made better Fastmail gives you full control of your communication, with speed, privacy, and tools that work the way you do. The New York Times says: ”If you want something easy to use that isn’t tied to one of the big tech giants, Fastmail is a great option.” Do more with email • Stay connected anywhere – Read, draft, and search offline. • Powerful search – Find anything fast, even inside attachments. Plus, use the Search Refinement Toolbar to quickly add, remove, or adjust filters. • Declutter your inbox – Snooze emails, mute threads, block spam, and unsubscribe easily, and set up rules to automate your flow. • Stay organised your way – Use folders or labels to keep things tidy, and categorize messages without opening them. • Work smarter – Schedule or undo send, add private memos, set VIP-only notifications, and resize images in the compose window. • Custom swipes – Quickly archive, delete, or take other actions with up to four swipe gestures. Your preferences stay consistent across devices. • Easy navigation – One-tap access to mail, calendar, contacts, and settings. Customize the toolbar in Display Options, or hide it altogether. • Faster inbox actions – Select messages by tapping avatars, or using a two-finger swipe for faster multi-select. Smarter calendars • Plan together – Share calendars with family or teams. • Sync seamlessly – Works with Google, iCloud, and more. • Always in sync – Updates instantly across devices, with full time-zone support. Connected contacts • Shared or private address books – Keep context from recent conversations and meetings. Why Fastmail? • Privacy first – No ads, no tracking, no selling your data. It’s your data, not ours. • Secure and trusted – Robust encryption of your data both in transit and at rest. Passkeys and 2FA keep your email private and safe. • No lock-in – Over 20 years delivering better email. People stay because it’s better, not because it’s hard to leave. • Real support – 24/7 online help from real people, no chatbots. • Migrate in minutes – Move mail, contacts, and calendars from your old provider in minutes. Better for everyone – Fastmail supports open standards, keeping email private and usable for all.

About

PSMailbox

Access your secure email, cloud storage, and calendar from a single application. Enjoy the full functionality of your PSMail.net account on your mobile devices.

Highlights
  • Secure email access
  • Cloud storage integration
  • Calendar management
  • Online account access
  • Mobile functionality
Features
Read full description

PSMailbox provides secure and online access to your PSMail.net account with all the features of secure email, cloud storage and calendar.

Screenshots

Fastmail4 screens
PSMailbox4 screens

Verdict

The call

The clearest difference is review sentiment: Fastmail at 49% against PSMailbox's 0%. Fastmail also leads on ratings volume (609 vs 4) and rating (3.9 vs 3.5). PSMailbox's advantage is in-app purchases (none vs 1). On price, ads, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fastmail sells 1 in-app purchase, starting at $6.49 per month. PSMailbox asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Fastmail holds the better App Store score, 3.9 against 3.5. That said, the two scores are not equally well evidenced: Fastmail has 609 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 49% of Fastmail's written reviews are positive against 0% of PSMailbox's.

UpkeepUpdate frequency

Fastmail ships an update every 3 weeks, PSMailbox every 2 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

Scorecard5 real differences · 5 level
Fastmail versus PSMailbox: the parameters behind the verdict, then further details
ParameterFastmailPSMailbox
PriceFreeFree
Rating3.9 (609 ratings) — better3.5 (4 ratings)
Positive reviews48.6% of reviews — better0.0% of reviews
Number of ratings609 — better4
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.414.2 — better
Further details — not scored
Size21 MB42 MB
Age rating4+4+
DeveloperFastmail Pty LtdArgonaut Quality Systems Inc.

Customer experience

Fastmail

All ratings606 ratings
Positive67.8%
Neutral9.7%
Negative22.4%
Written reviews453 reviews
Positive48.6%
Neutral19.4%
Negative32.0%

PSMailbox

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Bugs and requests

Fastmail

Reported bugs

5 issues
  • Blank screen on app launch
  • Notification badges not updating correctly
  • Delayed email delivery
  • Unreliable swiping gestures
  • Disappearing toolbar buttons

Requested features

5 requests
  • Offline email access
  • Customizable notification sounds
  • Integration with native iOS apps
  • Dark mode support
  • Multiple account management

PSMailbox

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Fastmail

Subscriptions1
  • Fastmail Monthly Plan$6.491 Month
None

PSMailbox

No in-app purchases

Questions

Is Fastmail free?
Fastmail is free to download, with in-app purchases available.
Is PSMailbox free?
PSMailbox is free to download, with no in-app purchases.
Which has better reviews, Fastmail or PSMailbox?
Fastmail is rated higher. Fastmail averages 3.9 out of 5 from 609 ratings, while PSMailbox averages 3.5 from 4 ratings.
Do Fastmail or PSMailbox have ads?
Neither Fastmail nor PSMailbox shows ads.
Which is updated more often, Fastmail or PSMailbox?
Fastmail ships an update every 3 weeks, and PSMailbox every 2 months. Most recently, Fastmail was updated on November 6, 2026 and PSMailbox on November 2, 2026.

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