Spreedy vs StoryCodex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spreedy
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Spreedy – Read Faster, Listen Smarter The Future of Reading. Powered by AI. Transform the way you consume knowledge. Whether you’re a student crushing textbooks, a professional staying ahead of industry news, or a bookworm with a never-ending TBR list, Spreedy is your ultimate reading companion. We combine cutting-edge Spritz-style speed reading with revolutionary AI Voice Cloning to help you finish books in record time—without losing comprehension. KEY FEATURES 1. Spritz-Style Speed Reading Stop subvocalizing and start absorbing. Our Spritz mode highlights one word at a time at your optimal focal point, allowing you to read up to 1,000 words per minute. Supported Formats: Seamlessly import your own EPUB and PDF files. Customizable Pace: Start slow and ramp up as your brain adapts to lightning-fast speeds. 2. AI Audiobooks & Voice Cloning (Unique!) Don’t just listen to a robot; listen to yourself—or anyone you choose. HD AI Voices: Crystal-clear, natural-sounding narrators powered by advanced F5-TTS technology. Voice Cloning: Record a short sample of your voice (or upload one) to generate a personalized AI narrator. Imagine listening to your favorite book read in your own voice or the voice of a loved one. 3. Reading Insights & Gamification Stay motivated with deep analytics. Track Your Progress: See your Books Read, Reading Streaks, and Total Time. Achievements: Earn badges like "Bookworm" and "Week Warrior" as you build a lifelong reading habit. Weekly Activity: Visualize your consistency with beautiful charts. THE AI ADVANTAGE Spreedy isn't just a reader; it's an intelligent engine. Our AI goes beyond simple text-to-speech: Contextual HD Audio: Our AI understands tone and pacing, making long PDF sessions feel like a professional studio production. Personalized Narrators: Use our unique voice cloning to create a truly one-of-a-kind listening experience that reduces "listener fatigue." SPREEDY: UNLOCK YOUR POTENTIAL Take your productivity to the next level with our most powerful features: Unlimited Library: Import as many EPUBs and PDFs as your device can hold. HD AI Audio Credits: Get a monthly allowance of high-definition AI generation tokens. Cloud Sync: Start reading on your smart phone, continue on your tablet. Your progress, bookmarks, and library are always in sync. No Interruptions: 100% Ad-free experience. Offline Mode: User your AI-generated audiobooks offline and read your files anywhere—even without an internet connection. WHY SPREEDY? Traditional reading is slow. Traditional audiobooks are static. Spreedy is dynamic. We give you the tools to double your reading speed and personal narrative voices that make learning feel like a conversation. LEGAL ISSUES: By downloading, installing, or accessing and using the Spreedy application, you agree to be bound by these Terms of Use and all applicable laws and regulations. If you do not agree with any of these terms, you are prohibited from using or accessing the App. Please read these terms carefully before using our services. By using Spreedy, you confirm our "Terms of Use" (https://spreedy.netlify.app/pages/terms-of-use) and "Privacy Policy" (https://spreedy.netlify.app/pages/privacy-policy)
StoryCodex
This app enhances your reading experience by building a live encyclopedia and visual story map as you progress. It allows you to tap character names for instant profiles and explore relationships without spoilers. Enjoy distraction-free reading and listening with offline capabilities.
- Live encyclopedia of characters and lore
- Spoiler-free visual Story Map
- Instant character profiles on tap
- Offline reading and listening
- Customizable reading views
- Import EPUB, PDF, and text files
- Automatic chapter recaps
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You're on chapter 600. A name appears you half-remember. The wiki would spoil everything. StoryCodex is a smart novel reader that builds a live encyclopedia and visual Story Map of your story as you read. It tracks your progress and only remembers the events you have already reached. Stop choosing between losing track of the plot and getting spoiled by fandom wikis. LISTEN OR READ ANYWHERE Experience a polished core reading environment. Listen to your chapters aloud with high-fidelity neural voices including Supertonic, Kokoro, and Piper. Background playback, lock screen controls, and customizable reading views. No internet connection required. TAP ANY NAME, SEE WHO THEY ARE Tap a character name while reading to instantly view their profile: role, traits, power tier, and key relationships. Pulled strictly from chapters you have already read. Zero spoilers. No wiki rabbit holes. EXPLORE THE STORY MAP See characters, factions, places, and relationships as an interactive visual map. Follow alliances, rivalries, mentors, clans, sects, and shifting connections without exposing future events. The Story Map grows with your reading progress, so it stays useful and spoiler-free. YOUR STORY CODEX As you read, the local AI silently builds and updates your universe. Character profiles track names, aliases, motivations, and power progression. World building maps places, factions, cultivation systems, and items. Arc summaries break the full story into arcs, always spoiler-free. Chapter summaries log every chapter so nothing slips through. The codex carries across volumes, so your encyclopedia grows with the series. PICK UP EXACTLY WHERE YOU LEFT OFF Tap Previously before any chapter for an instant recap: the last few key events and a summary of recent chapters. Like a previously on for your novel. No reread, no spoilers, just back in the story in seconds. LOAD EPUBS OR WEB CHAPTERS Import web novels and light novels via EPUB, PDF, or plain text. Reading a multi-volume series? Save each EPUB as a volume under one series and share the same codex across all books. Paste a chapter URL from any public novel site to start reading and listening instantly. The built-in reader strips ads and clutter for a distraction-free experience. 100% ON-DEVICE. COMPLETELY PRIVATE. Your library and chapters never leave your phone. Local AI handles all analysis. No account, no external servers, no subscription required for core features. STORYCODEX PRO, OPTIONAL AND ONE-TIME For readers who go deep. Unlock advanced world-building analysis and the full interactive visual Story Map. One-time purchase, no recurring fees. Built for web novels, light novels, xianxia, LitRPG, and massive fantasy epics. Requires 6GB RAM or more for local AI models. Pro users on cloud AI have no device requirements. PERFECT FOR: • LitRPG, progression fantasy, cultivation/xianxia, isekai • Epic fantasy with huge casts (noble houses, guilds, sects) • Multi-volume series you read over months or years • Readers who take breaks and need quick recaps
Screenshots
Verdict
The clearest difference is update cadence: StoryCodex at weekly against Spreedy's fortnightly. Spreedy's advantage is iOS requirement (13.0 vs 17.0). 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. Spreedy sells 6 in-app purchases, starting at $1.99 per 7 days and StoryCodex sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Spreedy ships an update fortnightly, StoryCodex weekly. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.
| Parameter | Spreedy | StoryCodex |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (7 ratings) — better |
| Number of ratings | — | 7 — better |
| Update frequency | Fortnightly | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 99 MB | 159 MB |
| Age rating | 4+ | 4+ |
| Developer | Abdullah Enes Dogrusoy | Bilal ARKAN |
In-app purchases
Spreedy
- Premium Weekly$1.997 Days
- Premium Monthly$3.991 Month
- Premium Yearly$44.991 Year
- 100 AI Credits$1.99
- 500 AI Credits$7.99
- 1000 AI Credits$13.90
StoryCodex
- Remove Ads$4.99
- Pro Upgrade$4.99
- StoryCodex Pro$9.99









