Silt vs Audissey
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Silt
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Silt is a calm place to think on the page. It's built for two kinds of writing β essays and journaling β and for the reading that feeds them. Choose your intent and the room changes to suit it: an open canvas for an essay, a quiet daily page for a journal, a focused reader for a book. Most writing apps forget what you've read. Silt doesn't. As you write, it brings the relevant lines from your reading alongside the paragraph you're working on β so the right quote or idea is there when you reach for it. WRITE WITH INTENTION β’ Start from a prompt β "What are you here to think about?" β not a blank page. β’ Separate modes for drafting and revising: get the words down first, shape them later. β’ Every paragraph keeps its own version history. Try a line three ways and never lose the one you liked. β’ Set a gentle deadline and a daily writing reminder. A LIVING READING CORPUS β’ Bring in highlights from Kindle and Obsidian, or highlight as you read inside Silt. β’ While you write, Silt surfaces the passages that match what you're saying, ranked by relevance. β’ Drop any highlight straight into your draft as a quote. READ INSIDE THE APP β’ Open your own PDFs and EPUBs in a clean, distraction-free reader. β’ Your books stay on your device. β’ Highlights you make flow back into your corpus, ready to resurface later. ONE LIBRARY, EVERYTHING IN ITS PLACE β’ Notes, journal entries, highlights, and books β organized and searchable. β’ Light and dark, with accent colors you can tune to your taste. PRIVATE BY DESIGN β’ Your writing is end-to-end encrypted (AES-GCM-256). Only you hold the key. β’ Local-first: the app works fully offline, with no account required. β’ Optional sync keeps your work in step across iPhone, iPad, and Mac. Silt runs natively on iPhone, iPad, and Mac β one app, all your devices. Writing settles like sediment, layer on layer, until something solid forms. Silt is where it settles.
Audissey
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Audissey turns web fiction into audio you can listen to anywhere β on your commute, while cooking, or with the screen locked. Paste a chapter link from Royal Road or similar sites, and Audissey imports the story, cleans the text, and reads it aloud with natural text-to-speech. Build a personal library, organize stories on shelves, and pick up right where you left off. LISTEN YOUR WAY β’ Import stories from web URLs or pasted text β’ Play, pause, and skip chapters with lock-screen controls β’ Adjust playback speed to match your pace β’ Read-along mode highlights text as itβs spoken β’ Ambient listening screen for a calm, hands-free experience SMART LIBRARY β’ Auto-import checks for newly published chapters β’ Automatically split massive, single-page stories (like Project Gutenberg books) into manageable chapters β’ Search across stories and chapters β’ Organize novels into custom shelves β’ Track read progress chapter by chapter β’ Syncs seamlessly across devices BUILT-IN AUTHOR SUPPORT When a chapter includes a Patreon or PayPal link, Audissey surfaces them in the reader so you can support the author β without those links being read aloud and interrupting your immersion. INTELLIGENT, EXPRESSIVE VOICES Choose Appleβs built-in voices or switch to Audissey Neural Voices, our on-device neural voice engine. All standard speech synthesis runs locally on your iPhone so your stories stay completely private. β’ Context-Aware Pronunciation: A custom heteronyms engine understands grammatical context, ensuring words like "read" (present) and "read" (past) are spoken flawlessly. β’ Dynamic Expression: The built-in expressive engine automatically adds dramatic emphasis and pacing to action scenes and intense dialogue. β’ Custom Dictionary: Define the exact phonetic pronunciation for unique character names and world-building terms. β’ Per-Story Narration: Assign specific voices to individual stories right from their settings menu to perfectly match the vibe of the novel. (Note: Audissey Neural Voices currently supports English only, but we are working on adding more languages). ADVANCED API INTEGRATIONS (Power Users) Take your listening experience to the absolute cutting edge by securely connecting your own third-party API keys directly on your device: β’ Smart Speaker Detection: Connect your preferred LLM API key (OpenAI, Gemini, or Anthropic) to have the engine automatically analyze chapters, identify distinct characters, and accurately map speakers to dialogue. β’ Ultra-Premium Audio: Connect your own ElevenLabs API key to stream ultra-realistic, multi-cast character voices directly into your listening queue. AUDISSEY PRO (Optional One-Time Purchase) Upgrade to Pro to remove ads, import unlimited chapters at once, and use Cache Ahead to pre-render Audissey Neural Voices' audio so listening continues smoothly with the screen locked. Audissey is built for readers who love web fiction and want a simple, highly customizable way to hear their favorite stories β not another streaming subscription.
Screenshots
Verdict
The clearest difference is in-app purchases: Silt at none against Audissey's 1. Silt also leads on ads (none vs shown) and iOS requirement (17.0 vs 26.5). On price and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Audissey sells 1 one-off in-app purchase. Silt asks for nothing beyond the download.
| Parameter | Silt | Audissey |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 2 days |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, Mac β better | iPhone, iPad |
| Requires iOS | 17.0 β better | 26.5 |
| Further details β not scored | ||
| Size | 4 MB | 389 MB |
| Age rating | 4+ | 4+ |
| Developer | Santiago Sonzini | Won O Soft |
In-app purchases
Silt
No in-app purchases
Audissey
- Audissey Pro$8.99









