Comparison

Δρ. Tom Cat vs eVivlio

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

Head to head

About

Δρ. Tom Cat

Features

Read full description

Ζωντανέψτε τους γρίφους του βιβλίου "Μπορείς να αποδράσεις από το εργαστήριο του Δρ. Tom Cat" και προσπαθήστε να τους λύσετε μέσα από ένα διαδραστικό περιβάλλον επαυξημένης πραγματικότητας (Augemented Reality - AR). Σκανάρετε την σελίδα κάθε δωματίου και δείτε να αναβιώνει ένα γρίφος επαυξημένης πραγματικότητας κάνοντας το παιχνίδι ακόμη πιο διαδραστικό. Αρκεί να έχετε το graphic novel "Μπορείς να αποδράσεις από το εργαστήριο του Δρ. Tom Cat" και να σκανάρετε με αυτό το app την σελίδα κάθε κεφαλαίου και το παιχνίδι ξεκινά. Το mobile app επαυξημένης πραγματικότητας αναπτύχθηκε αρχικά διερευνητικά από την φοιτήτρια Μιχοπούλου Νικολέττα στο πλαίσιο της πτυχιακής της εργασίας στο τμήμα Πληροφορικής του Πανεπιστημίου Πειραιώς με επιβλέποντες τον καθηγητή Παναγιωτόπουλο Θέμη και Μαλλιαράκη Χρήστο. Στην συνέχεια αναπτύχθηκε περαιτέρω για να εναρμονιστεί με τους εκπαιδευτικούς στόχους του βιβλίου.

About

eVivlio

Access a vast library of Greek and international literary works and school textbooks in audio format. Ideal for students, teachers, and literature enthusiasts, this app offers offline listening and easy discovery of classic, modern, and educational titles.

Highlights

Audiobooks of literary works
Audio school textbooks
Offline listening
Easy book discovery
No account login required

Features

Read full description

Enjoy top literary works by Greek and international authors, plus more than 100 school textbooks as audiobooks and eBooks, straight from your phone or tablet! The app is ideal for students, teachers and book lovers — and no account is required. New: 100+ school textbooks — Listen to or read school textbooks across all grade levels, whenever and wherever you want. Audio and text — Choose between audiobook and eBook, whichever suits the way you study. Listen offline — Download your books and enjoy them without an internet connection. Easy access — Discover classic, contemporary and educational books, with no sign-up. Download the app today and dive into the world of literature and knowledge!

Screenshots

Δρ. Tom Cat4 screens

eVivlio4 screens

Verdict

The call

The clearest difference is update cadence: eVivlio at every 3 months against Δρ. Tom Cat's every 43 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Δρ. Tom Cat ships an update every 43 months, eVivlio every 3 months. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

Scorecard1 real difference · 7 level

Δρ. Tom Cat versus eVivlio: the parameters behind the verdict, then further details
Parameter	Δρ. Tom Cat	eVivlio
Price	Free	Free
Positive reviews	—	85.7% of reviews
Update frequency	Every 43 months	Every 3 months — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	16.0	15.0 — better
Further details — not scored
Size	182 MB	70 MB
Age rating	12+	4+
Developer	Christos Malliarakis	Hellenic Republic

In-app purchases

None

Δρ. Tom Cat

No in-app purchases

None

eVivlio

No in-app purchases

Questions

Is Δρ. Tom Cat free?

Δρ. Tom Cat is free to download, with no in-app purchases.

Is eVivlio free?

eVivlio is free to download, with no in-app purchases.

Do Δρ. Tom Cat or eVivlio have ads?

Neither Δρ. Tom Cat nor eVivlio shows ads.

Which is updated more often, Δρ. Tom Cat or eVivlio?

Δρ. Tom Cat ships an update every 43 months, and eVivlio every 3 months. Most recently, Δρ. Tom Cat was updated on October 3, 2026 and eVivlio on October 14, 2026.