Comparison

MailPeek vs TagSpaces

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

Head to head
About

MailPeek

Features
Read full description

Open MSG and EML files on Mac, iPhone and iPad — without Outlook. MailPeek lets you read saved emails with their formatting and attachments. Open a message, save its attached files or export the email as a PDF. Files are processed locally on your device. OPEN MSG AND EML • Open and read Outlook MSG and EML files • View HTML, plain text and RTF message bodies • View and save attachments • Search messages by sender, recipient, subject and filename SAVE AND SHARE • Export emails as PDF • Share messages and attachments using the system share sheet • Open messages in Apple Mail to reply or forward PRIVATE ON YOUR DEVICE • No file uploads for processing • Remote content is blocked by default • You decide whether external images and other remote content can load MORE FORMATS AND DETAILS • Open MBOX mail archives, MHT and MHTML files • Extract files from winmail.dat / TNEF attachments • Inspect full message headers and raw source when needed • Native interface with Dark Mode and Quick Look ONE PURCHASE FOR ALL YOUR DEVICES MailPeek is a one-time purchase for Mac, iPhone and iPad. No subscription.

About

TagSpaces

Organize your files, notes, and documents with tags and plain text. Keep your data private and offline, with no tracking or cloud lock-in. Access and manage all your content directly on your device or in your iCloud Drive.

Highlights
  • Organize with tags
  • Search by name or tags
  • Create notes in plain text, Markdown, or HTML
  • View media files
  • 100% offline functionality
  • Open source core
Features
Read full description

TagSpaces is a private, offline file organizer and note-taking app. Browse, tag, and find your documents, photos, notes, and PDFs — all kept on your device or in your own iCloud Drive. No account, no sign-up, no cloud lock-in, and no tracking. Most apps push your files into someone else's cloud. TagSpaces does the opposite: your data stays yours, in plain files and folders you fully control, readable with or without the app. Organize with tags • Add tags directly into filenames or store them in sidecar files • Group and color your tags for fast visual sorting • Works across all your folders — no proprietary database Find anything, fast • Search by name or tags with fuzzy matching • Filter and narrow down large folders in seconds Notes & to-dos • Create notes in plain text, Markdown, or HTML • Keep simple task lists with the built-in editor View your media • Open images, PDFs, audio, and video right in the app • Preview and manage documents without extra tools Private and offline by design • 100% offline — no internet connection required • No ads, no analytics, no accounts • Your files live on your device and in your iCloud Drive, and integrate with the iOS Files app Open source you can trust The TagSpaces core is open source (AGPL), so anyone can verify how it handles your data. TagSpaces Pro Unlock advanced features with an in-app purchase, including downloading and clipping web pages and files from a URL, and more power tools for your workflow. Part of a cross-platform suite TagSpaces is also available for Mac, Windows, Linux, and the web — organize the same folders everywhere, your way. Take back control of your files. Download TagSpaces and turn your phone into a private, offline home for everything that matters.

Screenshots

MailPeek4 screens
TagSpaces4 screens

Verdict

The call

The clearest difference is price: TagSpaces at Free against MailPeek's $3.99. TagSpaces also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (15.0 vs 18.4). MailPeek's advantage is in-app purchases (none vs 1). On 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

TagSpaces is free to download; MailPeek costs $3.99 up front. TagSpaces sells 1 one-off in-app purchase. MailPeek asks for nothing beyond the download.

UpkeepUpdate frequency

MailPeek ships an update every 3 months, TagSpaces every 3 weeks. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 5 level
MailPeek versus TagSpaces: the parameters behind the verdict, then further details
ParameterMailPeekTagSpaces
Price$3.99Free — better
Rating—1.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS18.415.0 — better
Further details — not scored
Size4 MB219 MB
Age rating4+4+
DeveloperSneed IT GmbHTagSpaces GmbH

In-app purchases

None

MailPeek

No in-app purchases

1 purchases

TagSpaces

One-time1
  • TagSpaces Pro$29.99

Questions

Is MailPeek free?
MailPeek costs $3.99, with no in-app purchases.
Is TagSpaces free?
TagSpaces is free to download, with in-app purchases available.
Do MailPeek or TagSpaces have ads?
Neither MailPeek nor TagSpaces shows ads.
Which is updated more often, MailPeek or TagSpaces?
MailPeek ships an update every 3 months, and TagSpaces every 3 weeks. Most recently, MailPeek was updated on October 28, 2026 and TagSpaces on November 5, 2026.

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