Inkvoice vs Delphi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Inkvoice
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Inkvoice is now available. Inkvoice is a lightweight e-book reader with text-to-speech. Import TXT and EPUB books from your device, automatically detect chapters, and keep your reading progress saved. Read by hand or listen with voice playback during commutes, before sleep, or whenever your eyes need a rest. Initial features include: • TXT / EPUB book import • Smart chapter detection and table of contents • Local text-to-speech and natural cloud voices • Automatic reading progress • Light and dark themes • Multiple Chinese reading fonts • Auto page flip • WiFi book transfer • Ad-free membership and cloud voice access Let every book find its voice with Inkvoice. Terms of Use (EULA): https://daneaz.github.io/audio_book/#s1
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 in-app purchases: Delphi at none against Inkvoice's 1. Delphi also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 months). On price, 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
Both are free to download. Inkvoice sells 1 in-app purchase, starting at $1.99 per month. Delphi asks for nothing beyond the download.
Inkvoice ships an update every 2 months, Delphi every 4 days. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.
| Parameter | Inkvoice | Delphi |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 131 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Eugene Wu | Chenyu Li |
In-app purchases
Inkvoice
- Premium$1.991 Month
Delphi
No in-app purchases
