Comparison

PST Reader · Opener, Converter vs Reply Mail

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

Head to head
About

PST Reader · Opener, Converter

Access, read, and convert Outlook PST and OST archive files without needing Outlook installed. This app allows you to quickly open large archives, search for specific content, and export data into various formats like PDF, MBOX, and EML.

Highlights
  • Open PST and OST archives
  • Read emails, contacts, and calendar events
  • Full text search across archives
  • Filter by sender, date, and attachments
  • Convert archives to PDF, MBOX, EML
  • Export attachments and contacts
  • Works fully offline
Features
Read full description

PST Reader is the fastest way to open, read, search and convert Outlook PST and OST archives on your iPhone, iPad and Mac, with no Outlook and no account needed. Got a .pst or .ost file you can't open? PST Reader loads it in seconds, even archives with tens of thousands of messages, and shows every email, folder, contact and calendar event exactly as it was stored. KEY FEATURES • Open .pst and .ost archives from Files, Mail, Safari, AirDrop and any other app • Browse the original folder tree, read every message and view attachments • Lightning fast full text search across the whole archive • Filter by folder, sender, date and attachments • Works fully offline, so nothing is ever uploaded CONVERT AND EXPORT • Convert the whole archive, or just your current filtered view, to a single combined PDF • Convert to one MBOX file, or to a ZIP of EML files that keeps your folder structure • Export contacts to vCard and calendar events to ICS • Export the message list to CSV, or the full data to JSON • Save every attachment as a ZIP, or export any single message to PDF or EML NO OUTLOOK NEEDED Read and convert your Outlook data files on their own. No Outlook install, no account, no sign in, no tracking. Everything happens on your device. PST Reader turns an archive you couldn't open into something you can read, search, convert and share in seconds.

About

Reply Mail

Manage email from your own domain with an AI assistant to help draft and triage messages. Connect your domain for sending and receiving, or use send-only mode with your existing provider. Features a smart inbox with rules, templates, and snooze options.

Highlights
  • Custom domain email
  • AI email assistant
  • Send-only mode
  • Shared team workspaces
  • Smart inbox features
  • Undo Send
Features
Read full description

reply.cv is email on your own domain — with an AI assistant that helps you triage and reply. Connect a domain you own and get real mailboxes you can send and receive from. Prefer to keep your current provider? Run reply.cv in send-only mode and keep Google (or anyone) for incoming mail. Everything lives in a fast, focused inbox built for getting through email. FEATURES • Your own domain — send and receive from you@yourcompany.com • Send-only mode — keep your current provider for incoming mail, send from reply.cv • AI assist — draft, improve, shorten, and change the tone of a reply • Shared team workspaces — invite teammates, assign roles, share inboxes • Smart inbox — rules and filters, snooze, templates, and block sender • Undo Send, swipe actions, and push notifications • Forwarders — route any address to the inbox you want Your mail stays yours. We don't sell your data or use your email to serve ads, and you can delete your account any time from Settings. Privacy Policy: https://reply.cv/privacy Terms of Use: https://reply.cv/terms

Screenshots

PST Reader · Opener, Converter4 screens
Reply Mail4 screens

Verdict

The call

The clearest difference is in-app purchases: Reply Mail at none against PST Reader · Opener, Converter's 8. PST Reader · Opener, Converter's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement 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. PST Reader · Opener, Converter sells 7 in-app purchases, starting at $8.99 per 7 days. Reply Mail asks for nothing beyond the download.

UpkeepUpdate frequency

PST Reader · Opener, Converter ships an update weekly, Reply Mail every 8 days. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 7 level
PST Reader · Opener, Converter versus Reply Mail: the parameters behind the verdict, then further details
ParameterPST Reader · Opener, ConverterReply Mail
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings—1 — better
Update frequencyWeekly — betterEvery 8 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS16.0 — better16.4
Further details — not scored
Size14 MB46 MB
Age rating+44+
DeveloperRush Tools LLCBad Idea, LLC

Customer experience

PST Reader · Opener, Converter

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Reply Mail

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

7 purchases

PST Reader · Opener, Converter

Subscriptions7
  • Pro Weekly3 Days trial$8.997 Days
  • Pro Weekly$9.997 Days
  • Pro Annual$19.991 Year
Show 4 more
  • Pro Annual$29.991 Year
  • Pro Annual$39.991 Year
  • Pro Annual2 variants$49.991 Year
  • Pro Annual$79.991 Year
None

Reply Mail

No in-app purchases

Questions

Is PST Reader · Opener, Converter free?
PST Reader · Opener, Converter is free to download, with in-app purchases available.
Is Reply Mail free?
Reply Mail is free to download, with no in-app purchases.
Do PST Reader · Opener, Converter or Reply Mail have ads?
Neither PST Reader · Opener, Converter nor Reply Mail shows ads.
Which is updated more often, PST Reader · Opener, Converter or Reply Mail?
PST Reader · Opener, Converter ships an update weekly, and Reply Mail every 8 days. Most recently, PST Reader · Opener, Converter was updated on October 20, 2026 and Reply Mail on October 15, 2026.

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