Mentor Books vs Trinity Open Day
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mentor Books
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With beautiful page scrolling, you can peel back each page to go to the next, take notes on every page of every book, open your book on the last opened page to start off where you finished at the last lesson, find the page you're looking for with the multi-page view and pinch and zoom to explore your educational material close up and in detail. Now with extensive annotation/in-page drawing and note taking, plus the capability to search full text in any book. This app is freely available for use by all students, teachers and educators who can sign up for free and avail of book vouchers from their teachers or book providers to claim their education material and enhance their learning experience on their iPad.
Trinity Open Day
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The Trinity Open Day app holds all of the information for you to get the most out of your day on campus. Use our schedule to plan your day and find key locations via our maps.
Screenshots
Verdict
The clearest difference is iOS requirement: Mentor Books at 14.0 against Trinity Open Day's 16.6. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Mentor Books ships an update every 5 months, Trinity Open Day every 3 months. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.
| Parameter | Mentor Books | Trinity Open Day |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 22 MB | 60 MB |
| Age rating | 4+ | 17+ |
| Developer | Mentor Books | Trinity College Dublin Commercial |
In-app purchases
Mentor Books
No in-app purchases
Trinity Open Day
No in-app purchases
Questions
Is Mentor Books free?
Is Trinity Open Day free?
Do Mentor Books or Trinity Open Day have ads?
Which is updated more often, Mentor Books or Trinity Open Day?
Other comparisons
