Seed vs periods.
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.
periods.
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Read faster. Understand more. One word at a time. periods. uses RSVP (Rapid Serial Visual Presentation) to deliver text at a fixed point so your eyes stay still and your brain does the reading. Import any article, PDF, or EPUB ā or paste text directly ā and read it at speeds you didn't think were possible. ⢠Adaptive pacing adjusts timing based on word length and punctuation ⢠On-device comprehension checks powered by Apple Intelligence ⢠Focus Score tracks consistency, endurance, and speed over time ⢠Daily challenge with a fresh passage every day ⢠Reading streaks and detailed stats ⢠Dark mode with a warm, comfortable palette ⢠No accounts required ā works offline, everything stays on your device Start at 300 words per minute. Push from there.
Screenshots
Verdict
The clearest difference is iOS requirement: Seed at 18.0 against periods.'s 26.2. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Seed | periods. |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 ā better | 26.2 |
| Further details ā not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Adithya Firmansyah Putra | Jordan Eromonsele |
In-app purchases
Seed
No in-app purchases
periods.
No in-app purchases









