Comparison

Message Viewer Pro vs Harbor Notes

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

Head to head
About

Message Viewer Pro

Easily view EML and MSG email files, including attachments, directly on your iOS or macOS device. Share or print attachments, or compose new emails using the content of your saved messages.

Highlights
  • View EML and MSG files
  • Access attachments
  • Share attachments
  • Print attachments
  • Compose new emails from viewed messages
Features
Read full description

View both EML and MSG (Outlook) files on your iOS/macOS device, including attachments within them. These are usually emails saved in the EML or MSG format. Tap on an EML or MSG file in another app, "Open In..." and select Message Viewer to view your saved email. You may tap "open a sample EML" to see an example email open up. Attachments may be shared with other apps or printed. Tap the compose icon to open your EML/MSG as a new Mail message.

About

Harbor Notes

Capture, organize, and secure all your thoughts, tasks, and files in one private space. This app offers rich note-taking features, robust organization, and instant search, even within images and scanned documents. Your data is yours, with optional end-to-end encryption and no ads or data selling.

Highlights
  • Rich notes with checklists, tables, and highlights
  • Notebooks, stacks, and tags for organization
  • Task management with due dates
  • Document scanning and sketching
  • Voice memos and file attachments
  • Instant search with OCR
  • Offline-first native apps
Features
Read full description

Harbor is your private second brain — a fast, native notes app for people who want to remember everything and own it for life. Capture notes, organize them into notebooks, tag anything, attach photos and files, scan paper documents, sketch ideas, and record voice memos. Then find any of it in seconds — Harbor's search even reads the text inside your images and scans. REMEMBER EVERYTHING • Rich notes with checklists, tables, images, links, and highlights • Notebooks and stacks that keep every part of your life organized • Tags that cut across notebooks • Tasks with due dates, right beside your notes • Scan documents with your camera; sketch with your finger or Apple Pencil • Voice memos and file attachments of every kind • Instant search across everything — including the text inside images and scans (OCR) YOURS, EVERYWHERE • Truly native apps for iPhone, iPad, and Mac — no web wrapper • Offline-first: your notes live on your device and sync automatically • The full web app at app.harbor.my from any browser • A web clipper that saves articles and pages straight into your notebooks PRIVATE BY DESIGN • No ads. No selling your data. No training AI on your notes. Ever. • Optional end-to-end encryption locks down your most sensitive notes so that no one — not even us — can read them • Export everything anytime in open formats. You are never locked in. SWITCHING FROM ANOTHER NOTES APP? Import your Evernote notebooks (.enex files) with the Mac or web app — your notebooks, tags, and attachments sync straight to your iPhone and iPad. SIMPLE, HONEST PRICING Harbor is free for up to 50 notes, 3 notebooks, and 20 tags — no credit card required. When you outgrow the free plan, Harbor Unlimited removes every limit: • $9.99/month or $99/year • Unlimited notes, notebooks, tags, tasks, and files • A written price-lock promise in our terms: your price won't go up for at least 3 years Subscriptions are billed to your Apple ID and renew automatically until cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. And even if you stop paying, you can always read and export your notes — Harbor never holds your data hostage. Privacy Policy: https://harbor.my/privacy/ Terms of Use: https://harbor.my/terms/ Questions? A real person answers: help@harbor.my

Screenshots

Message Viewer Pro2 screens
Harbor Notes4 screens

Verdict

The call

The clearest difference is price: Harbor Notes at Free against Message Viewer Pro's $3.99. Harbor Notes also leads on update cadence (every 3 days vs monthly). Message Viewer Pro's advantage is in-app purchases (none vs 2) and iOS requirement (16.6 vs 18.0). On rating, ratings volume, ads 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

Harbor Notes is free to download; Message Viewer Pro costs $3.99 up front. Harbor Notes sells 2 in-app purchases, starting at $9.99 per month. Message Viewer Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Message Viewer Pro against 5.0 for Harbor Notes. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Message Viewer Pro ships an update monthly, Harbor Notes every 3 days. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

Scorecard5 real differences · 4 level
Message Viewer Pro versus Harbor Notes: the parameters behind the verdict, then further details
ParameterMessage Viewer ProHarbor Notes
Price$3.99Free — better
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS16.6 — better18.0
Further details — not scored
Size9 MB32 MB
Age rating4+4+
DeveloperMatrix Logic CorporationCloudmanic Labs, LLC

Customer experience

Message Viewer Pro

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

Harbor Notes

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

In-app purchases

None

Message Viewer Pro

No in-app purchases

2 purchases

Harbor Notes

Subscriptions2
  • Unlimited — Monthly$9.991 Month
  • Unlimited — Yearly$99.001 Year

Questions

Is Message Viewer Pro free?
Message Viewer Pro costs $3.99, with no in-app purchases.
Is Harbor Notes free?
Harbor Notes is free to download, with in-app purchases available.
Which has better reviews, Message Viewer Pro or Harbor Notes?
Message Viewer Pro and Harbor Notes are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Message Viewer Pro or Harbor Notes have ads?
Neither Message Viewer Pro nor Harbor Notes shows ads.
Which is updated more often, Message Viewer Pro or Harbor Notes?
Message Viewer Pro ships an update monthly, and Harbor Notes every 3 days. Most recently, Message Viewer Pro was updated on September 17, 2026 and Harbor Notes on September 9, 2026.

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