Comparison

Shelfie vs Marcus

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

Head to head
About

Shelfie

Features
Read full description

Your digital ledger for a life well-read. Shelfie is a distraction-free, elegant reading tracker designed to curate your personal library. Built with privacy at its core and functioning entirely on-device, Shelfie transforms how you record, remember, and reflect on the books you read. KEY FEATURES The Archive: Manage your personal library with beautiful, tactile categorizations (Owned, Wishlist, Borrowed, Lent). Instant Barcode Scanner: Add books in seconds. Simply point your camera at any ISBN barcode to instantly pull high-quality covers, authors, and details from the global catalog directly to your shelf. Global Search: Don't have the physical book on hand? Search millions of books by title, author, or publisher to expand your digital archive. The Reading Ledger: Log your daily pages, track your current reading status, and set a yearly reading goal to build a lasting habit. On-Device Privacy: Your library is yours. All processing happens locally on your device to ensure a fast, secure, and deeply personal experience. Every great journey starts with a single page. Begin building your ledger today.

About

Marcus

Features
Read full description

Reading, without the friction. Marcus is the reading app made for restless minds. A calm tracker glides along the line to keep your eyes exactly where you are, so your attention stops slipping off the page. Import any EPUB or PDF and just read. WHY IT STICKS - Stay on the line - a gentle tracker keeps your place, at your pace - Stuck? Just ask - explain, summarize or recap without leaving the page - Every book, one tap away - import EPUB & PDF and pick up where you left off - Reading that rewards you - daily goals, streaks and achievements - A shelf that fills as you read - finished books become spines on your bookcase - Your thoughts, in one place - a notebook and a glossary of words you've learned - Share the lines you love - turn any quote into a beautiful card MADE FOR HOW YOUR BRAIN READS ADHD-first and dyslexia-friendly: the OpenDyslexic font, calm themes, read-along audio, and short daily goals that make five minutes count. No guilt, no noise - just no zero days. MARCUS PRO Unlimited explanations, summaries and recaps, all themes and the OpenDyslexic font, and advanced tracker styles. Read more. Struggle less. Start your first page today. Terms of Use: https://marcus.vuvee.me/terms Privacy Policy: https://marcus.vuvee.me/privacy

Screenshots

Shelfie4 screens
Marcus4 screens

Verdict

The call

The clearest difference is in-app purchases: Shelfie at none against Marcus's 2. Marcus's advantage is update cadence (every 2 months vs every 4 months). On price, ads, device support 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. Marcus sells 2 in-app purchases, starting at $6.99 per month. Shelfie asks for nothing beyond the download.

UpkeepUpdate frequency

Shelfie ships an update every 4 months, Marcus every 2 months. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 4 level
Shelfie versus Marcus: the parameters behind the verdict, then further details
ParameterShelfieMarcus
PriceFreeFree
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad — better
Requires iOS17.616.4 — better
Further details — not scored
Size13 MB65 MB
Age rating9+4+
DeveloperMehmet TarhanVukasin Rancic

In-app purchases

None

Shelfie

No in-app purchases

2 purchases

Marcus

Subscriptions2
  • Marcus Pro Monthly$6.991 Month
  • Marcus Pro Annual$49.991 Year

Questions

Is Shelfie free?
Shelfie is free to download, with no in-app purchases.
Is Marcus free?
Marcus is free to download, with in-app purchases available.
Do Shelfie or Marcus have ads?
Neither Shelfie nor Marcus shows ads.
Which is updated more often, Shelfie or Marcus?
Shelfie ships an update every 4 months, and Marcus every 2 months. Most recently, Shelfie was updated on October 19, 2026 and Marcus on October 9, 2026.

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