Booked Up vs Delphi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Booked Up
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Booked Up – Your Smart Reading Scheduler Stay on track with your reading goals! Booked Up helps you schedule, manage, and complete multiple books with ease. Add your books, set a target end date, and let the app create a personalized daily reading plan adjustable for your pace and priorities. Features: - Smart scheduling based on your books, progress, and custom reading weights - Easy tracking: Mark daily reading as complete or update progress anytime - Book management: Add, reorder, and remove books - Pace adjustment: set the amount of reading per day to fit your schedule Perfect for book lovers, students, and anyone building a reading habit. Download Booked Up and make every page count!
Delphi
This app provides a synchronized reading and listening experience for classic literature. As the audio plays, the text is highlighted, and you can tap any sentence to resume narration from that exact point. Enjoy offline access to a curated library of timeless works.
- Synchronized text and audio narration
- Tap to play sentence feature
- Offline reading and listening
- Automatic resume functionality
- Bookmark saving
- Background playback
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Delphi is a reader for the great books — with narration that stays in sync with the text. As the audio plays, the current sentence is highlighted and the page scrolls with it. Tap any sentence to hear it from exactly that point. Close the app mid-chapter and Delphi brings you back to the same spot, ready to continue. THE LIBRARY • Thucydides — History of the Peloponnesian War • Augustine — Confessions • Plato — Dialogues (Apology, Phaedo, Symposium, Republic and more) • Goethe — Faust • Aristotle — Nicomachean Ethics and Politics • The Bible (KJV) — Old Testament • Hamilton, Madison, Jay — The Federalist Papers • Machiavelli — The Prince • Dostoevsky — Crime and Punishment MADE FOR LISTENING • Word-for-word sync: the sentence being read is always highlighted • Tap to play: touch any line to jump the narration there • Background playback with full lock screen and Control Center controls • Skip back and forward 15 seconds, scrub anywhere MADE FOR READING • The complete text of every work is built in — no connection needed to read • Download any work's audio once and listen fully offline • Bookmarks for every book: save a passage, jump back to it anytime • Automatic resume: pick up exactly where you stopped, even after restarting No account. No subscription. No ads. Just the classics, read to you.
Screenshots
Verdict
The clearest difference is update cadence: Delphi at every 4 days against Booked Up's every 10 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Booked Up ships an update every 10 months, Delphi every 4 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | Booked Up | Delphi |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 10 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 38 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | COLIN TOFT | Chenyu Li |
In-app purchases
Booked Up
No in-app purchases
Delphi
No in-app purchases









