Readio vs Glyphi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Readio
Transform web articles, PDFs, and documents into audio for a personalized listening experience. Seamlessly add content via links, files, or RSS feeds. Enjoy high-quality text-to-speech and robust playback controls.
- On-device text-to-speech
- Adjustable playback speed
- CarPlay integration
- Import PDFs and documents
- Customizable themes and fonts
- Smart playlist creation
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Readio turns the articles, PDFs, and documents you read into audio you can listen to - like a personal podcast feed built from anything on the web. Share a link from Safari, paste a URL, drop in a PDF, or subscribe to an RSS feed. Built entirely on-device. Runs on iPhone, iPad, and Apple Silicon Mac. No accounts. No tracking. No subscription. One price, yours forever. LISTEN ANYWHERE * High-quality on-device text-to-speech with a full Siri voice picker * Pitch-preserving 0.5x-2x playback - no chipmunk effect * Skip forward / back, jump by paragraph, scrub the timeline * Resumes where you left off, even across reboots * Auto-advance respects your progress - finished articles let the next queued one resume; Skip Next restarts fresh * Adjustable pause between articles, plus a sleep timer with "stop at end of article" PODCASTS & AUDIO * Add a podcast episode by RSS feed, direct audio link, episode page, or a local audio file * Plays right alongside your articles - same player, queue, CarPlay, and Lock Screen controls * Filter your Library to just audio, with a mic badge marking episodes WORKS WITH YOUR LIFE * CarPlay with pre-rendered audio for stutter-free highway driving * Articles render to disk in the background so wireless playback uses a real audio file * Lock screen, Control Center, Bluetooth, AirPods, and car-stereo controls all wired up * Background audio that survives phone calls without auto-resuming * Share extension - send any URL from any app into your queue A PLAYER THAT FEELS RIGHT * Tap the mini player and the artwork flies up into the full player with a matched-geometry morph * Album-style zoom into playlists and detail views * Animated waveform on whichever article is currently playing * Twelve accent palettes and iOS 26 Liquid Glass chrome throughout CLEAN READER VIEW * Five themes (Auto, Light, Sepia, Dark, Black) and eight reading-optimized fonts * Drop-cap opener, wider iPad column, sticky header with a live "X min left" pill * Tap to immerse - toolbars hide for distraction-free reading; one tap brings them back * Long-press any sentence to share it as a beautifully-rendered quote image * Read and listen interchangeably - your position syncs across both modes DOCUMENTS, NOT JUST ARTICLES * Import PDFs, HTML files, plain text, and Markdown * Read in the native viewer or extracted into the reader and listened to * Stored on-device - never sent to a server * Open from Files, AirDrop, or any share sheet KEEP THE WHOLE PAGE * Save full-page snapshots - code blocks, images, and layout intact * Available offline once captured, viewable from inside the article * Per-article default view, or turn it on globally SMART PLAYLISTS * Today, Quick Listens, Long Reads, Recently Played, Unstarted — auto-curated for the time you have * Build your own with a rule editor: by source, by length, by recency * Updates live as your library changes; tap to listen to the whole set ORGANIZE * Continue Listening carousel - pick up where you stopped on every in-progress article * Playlists with custom gradients and SF Symbol icons * Drag-to-reorder queue, swipe-to-remove, Edit button so handles are always visible * Long-press in Library, Search, or Up Next for one-tap Play, Start Over, Add to Queue, Move to Top, Archive, Delete * Auto-archive completed articles - restorable from Archive any time * Search with sort and instant keyboard dismiss * iCloud sync across iPhone and iPad RSS FEEDS * Subscribe to any feed - articles import automatically and are ready to listen * Smart deduplication so the same article never queues twice * "Restored from Archive" indicator when a re-shared article is already in your library PRIVATE BY DESIGN * Articles fetched directly from the source over HTTPS * Nothing leaves your device except the article URL itself * No analytics, no telemetry, no third-party SDKs * One-time payment - no subscription, no ads, ever REQUIRES iOS 17 OR LATER. Designed for iPhone and iPad. Compatible with Apple Silicon Mac.
Glyphi
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Glyphi is an RSVP speed reading app that helps you read books, PDF and EPUB documents, articles, web pages, and your own text with greater focus and efficiency. Most reading apps simply display text. Glyphi helps you read differently. By presenting words in a guided sequence, it reduces unnecessary eye movement, minimizes visual distractions, and helps you stay focused from the first word to the last. Instead of searching for your place, you can spend more time understanding and enjoying what you read. Whether you're reading books, ebooks, PDFs, research papers, textbooks, articles, or web content, Glyphi adapts to your pace and reading goals. Import your content, choose a comfortable reading speed, and switch between Single Word Mode and Flow Mode whenever you like. Whether you're studying, learning, working, or reading for pleasure, Glyphi helps you build a lasting reading habit while improving focus, concentration, and comprehension. PERFECT FOR • Books, ebooks, novels, and short stories. • PDF and EPUB reading. • Textbooks, lecture notes, and research papers. • Articles, blogs, newsletters, and web content. • Students, professionals, and researchers. • Building a daily reading habit. • Improving focus, concentration, comprehension, and reading speed. FOCUSED READING • Read in Single Word Mode with Glyphi's focal letter guidance. • Switch to Flow Mode to keep nearby words visible while the active word stays easy to follow. • Adjust your pace from a relaxed rhythm to high speed practice. • Benefit from punctuation aware pauses that adapt to your reading speed. • Reduce visual distractions and stay immersed in your reading. • Stay focused on the words instead of searching for the next line. • Build a smoother, more natural reading rhythm. • Tap the active word to open the system dictionary. • Jump between chapters and continue exactly where you left off. BRING YOUR OWN READING • Import PDF, EPUB, and TXT files. • Extract readable text from web articles and supported social posts. • Read web pages in a clean, distraction free reading environment. • Write or paste any text. • Send links and text directly from the iOS Share Sheet. • Organize your library, mark favorites, and quickly continue recent reading. TRAIN WITH PURPOSE Use Glyphi as your personal reading trainer with structured sessions designed to improve: • Speed. • Comprehension. • Focus. • Endurance. SEE REAL PROGRESS Track your reading with: • Words read, reading time, sessions, and average pace. • Daily activity, streaks, and a reading calendar. • Library progress by document type. • Training history and reading insights. PRIVATE, ON DEVICE INTELLIGENCE On compatible devices with Apple Intelligence enabled, Glyphi can generate summaries and key points for your reading. Everything is processed entirely on device to help protect your privacy. AI generated results may occasionally contain errors. MAKE IT YOURS Choose Paper, Light, Dark, or Charcoal. Customize colors, fonts, text size, weight, text tone, focal letter style, focus guide, haptics, and reading display. SYNC WITH ICLOUD Keep your library, reading position, settings, training history, and progress synchronized across your Apple devices through your private iCloud account. GLYPHI PREMIUM Glyphi is free to use with up to five saved readings, speeds up to 550 WPM, and Endurance training. Upgrade to Glyphi Premium to unlock unlimited imports, speeds up to 1,200 WPM, every training mode, reading insights, and all Premium features. Payment is charged to your Apple Account when your purchase is confirmed. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription at any time in your App Store account settings. Privacy Policy: https://vahdetcaliskan.github.io/glyphi-legal/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Glyphi at Free against Readio's $4.99. Glyphi also leads on update cadence (every 4 days vs every 10 days). Readio's advantage is in-app purchases (none vs 2). On 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
Glyphi is free to download; Readio costs $4.99 up front. Glyphi sells 2 in-app purchases, starting at $4.99 per month. Readio asks for nothing beyond the download.
Readio ships an update every 10 days, Glyphi every 4 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.
| Parameter | Readio | Glyphi |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 10 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 24 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Jaswanth Reddy | Vahdet Caliskan |
In-app purchases
Readio
No in-app purchases
Glyphi
- Glyphi Monthly7 Days trial$4.991 Month
- Glyphi Yearly$39.991 Year









