Seed vs Speed Leaf
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Seed
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Seed is a focused speed reading app built around RSVP: one word (or a small chunk) displayed at a fixed point, so your eyes stop darting around the page. Import anything ⢠Paste from your clipboard ⢠Start from a link (web article) ⢠Load a PDF and extract readable text Read at your pace ⢠Adjust WPM in seconds ⢠Play and pause anytime ⢠Scrub through progress with a slider Pick up where you left off ⢠Seed remembers your last position and settings for each document ⢠Resume instantly without re importing Designed for focus ⢠Minimal UI while reading ⢠Offline library after import for quick access anywhere If you want less distraction and more throughput, Seed gives you a simple, repeatable reading workflow.
Speed Leaf
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Speed Leaf is a focused reading app that helps you read faster using Rapid Serial Visual Presentation (RSVP). Instead of scanning lines of text, words are displayed one at a time at a fixed point on screen - reducing eye movement and helping you absorb content more efficiently. Import your own PDFs and EPUBs, set your preferred speed from 100 to 800 words per minute, and start reading. The app highlights the Optimal Recognition Point (ORP) in each word so your brain can process text faster with less effort. Whether you're working through articles, reports, books, or study materials, Speed Leaf keeps you in flow without distractions. Features: - RSVP word-by-word display with ORP highlighting - Adjustable reading speed (100ā800 WPM) - PDF and EPUB import - Sentence context bar showing your position in each sentence - Browse mode to scan through full text and jump to any point - Reading statistics with words read, time tracked, and average WPM - Per-document progress saving and speed preferences - Clean, minimal interface designed for focus - 3 free document imports, then a one-time unlock for unlimited
Screenshots
Verdict
The clearest difference is in-app purchases: Seed at none against Speed Leaf's 1. Seed also leads on iOS requirement (18.0 vs 26.2). On price, ads and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Speed Leaf sells 1 one-off in-app purchase. Seed asks for nothing beyond the download.
| Parameter | Seed | Speed Leaf |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone | iPhone, iPad ā better |
| Requires iOS | 18.0 ā better | 26.2 |
| Further details ā not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Adithya Firmansyah Putra | ANDREW DAVID SAWYER |
In-app purchases
Seed
No in-app purchases
Speed Leaf
- Unlimited Imports$2.99









