Comparison

Throughline Speed Reader vs FlowSpeedReader

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Throughline Speed Reader

Enhance your reading speed and comprehension with intelligent pacing that adapts to natural language rhythms. This app presents text one word at a time, optimizing focus and reducing eye movement for a more efficient reading experience. It also offers AI-powered summaries and seamless integration across Apple devices.

Highlights
  • Adaptive word-by-word pacing
  • Optimal Recognition Point (ORP) alignment
  • AI-generated summaries with key takeaways
  • Safari extension for saving articles
  • Apple Watch app for reading on the go
  • Detailed reading analytics dashboard
  • Customizable fonts and interface
Features
Read full description

Read faster while comprehending more. Throughline presents text one word at a time with intelligent pacing that adapts to natural language rhythms. VARIABLE PACING ENGINE Unlike basic RSVP readers that show every word for the same duration, Throughline adjusts timing dynamically: • Punctuation creates natural pauses — longer at periods, brief at commas • Complex words get extra display time • Paragraph breaks give you time to absorb ideas • Not fixed-interval timing — pacing adapts continuously word by word ORP ALIGNMENT Each word displays with its Optimal Recognition Point at a fixed position on screen: • Your eyes never move — words come to you • The red pivot letter marks the optimal focus point • Eliminates the saccadic jumps that slow traditional reading • Find your ideal reading pace and keep pushing further WARMUP & COOLDOWN • Start each session at a comfortable pace • Gradually accelerate to your target speed • Cooldown ramp slows gently at the end of texts • Circular toolbar gauge shows ramp progress during warmup and cooldown • Configurable duration and intensity APPLE INTELLIGENCE • Generate summaries with key takeaways and topics • All processing happens on-device • No data sent to servers • Available on devices supporting Apple Intelligence READING MODES • Single Word: Classic RSVP with full focus • Reader: See surrounding context as you read • Double-tap to switch modes BROWSING PANEL • Open Browse as an inline drawer beside the minimap • Preview nearby paragraphs for context without leaving the reader • Jump to the section you want, then resume at speed SIRI & SHORTCUTS • Voice: "Read clipboard in Throughline" — speed read copied text • Voice: "Resume reading in Throughline" — pick up where you left off • Voice: "Reading stats in Throughline" — hear your stats hands-free • Shortcuts app: Build automations with Read Text, Read Clipboard, and more • Home Screen widgets show current reading progress • Lock Screen widgets with circular gauge, progress bar, or inline text • Widget accent color matches your reader theme SAFARI EXTENSION • Save articles to your reading queue directly from Safari • One tap — no copying or pasting needed • Works on iPhone, iPad, and Mac APPLE WATCH • Read articles on your wrist with intelligent pacing • Digital Crown adjusts reading speed with haptic steps • Articles under 3,000 words sync automatically • Session progress syncs back to iPhone • Watch face complications show your queue ANALYTICS DASHBOARD • Track words per minute over time • See total words read and sessions completed • Calculate time saved vs. average readers • Weekly activity visualization • View stats by week, month, year, or all time LIBRARY MANAGEMENT • Auto-save everything you read • Or read ephemerally with no storage • Two tabs: Reading (queue + in progress) and Archive • Sort by date, title, word count, or progress • Resume exactly where you left off CUSTOMIZABLE INTERFACE • Serif, sans-serif, and monospace fonts • Adjustable font sizes with Dynamic Type support • Custom pivot color selection • Multiple background themes • Rails and ORP indicator toggles THROUGHLINE PRO • Free tier includes the core reader, 3 fonts, 3 backgrounds, and 10 library items • Pro unlocks all fonts, colors, backgrounds, unlimited library, analytics, iCloud sync, Apple Watch, AI summaries, and advanced pacing controls • Monthly, annual, and lifetime plans available • Family Sharing supported DESIGNED FOR iOS • Native SwiftUI with modern toolbar design • Full VoiceOver accessibility • Respects Reduce Motion preferences • Dark mode throughout • iPad optimized PRIVACY FIRST • All reading happens on-device • No account required • No data transmitted • Your reading stays private Start reading faster today. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

FlowSpeedReader

Enhance your reading speed and comprehension with this app that uses Rapid Serial Visual Presentation (RSVP). Import text from various sources, customize themes and fonts, and utilize text-to-speech. Features eye tracking and a focus timer for an optimized reading experience.

Highlights
  • Rapid Serial Visual Presentation (RSVP)
  • Import text from URLs, files, and camera OCR
  • Text-to-Speech (TTS) with multi-language support
  • Eye tracking for automatic pausing
  • Pomodoro-style focus timer
  • Detailed reading statistics
  • Customizable themes and fonts
Features
Read full description

FlowSpeedReader is a powerful speed reading app that uses Rapid Serial Visual Presentation (RSVP) to help you consume text faster than ever before. Whether you're a student, professional, or avid reader, FlowSpeedReader trains your brain to process words at incredible speeds — all while maintaining comprehension. HOW IT WORKS RSVP displays one word (or a group of words) at a time in a fixed position, eliminating the eye movements (saccades) that waste up to 30% of traditional reading time. Your brain focuses purely on processing meaning. Research shows comprehension remains high even above 500 WPM. IMPORT ANYTHING • Paste or type text directly • Import from Safari using the Share Sheet extension • Fetch and extract articles from any URL • Import files: PDF, DOCX, TXT, RTF, Pages, CSV • Scan physical documents with Camera OCR • Load from clipboard (text or URLs) BEAUTIFUL THEMES & FONTS Choose from multiple gorgeous themes — including dark mode variants — and select from 8 premium fonts. FlowSpeedReader looks stunning and feels great to use. TEXT-TO-SPEECH (TTS) Listen while you read. FlowSpeedReader features a full TTS engine with: • Multi-language support (Arabic, Hebrew, Farsi, Urdu, and more) • Automatic language detection • Multiple voice options per language (Standard, Enhanced, Premium) • Synchronized word highlighting during audio playback EYE TRACKING (iPhone X and later) FlowSpeedReader uses the TrueDepth camera to detect when you look away and automatically pauses your reading session. Configurable sensitivity, pause delay, and auto-resume keep you in the zone. FOCUS TIMER (POMODORO) Stay productive with built-in Pomodoro-style focus sessions. Set custom focus and break durations, and let the app manage your reading schedule. READING STATISTICS Track your progress with detailed stats: words read, sessions completed, reading streaks, and more. Visualize your improvement over time. MORE FEATURES • Adjustable reading speed: 100 – 1000+ WPM • Read 1, 2, or 3 words at a time • Interactive progress bar with scrubbing • Context scroll view — see surrounding text and tap to jump • Haptic feedback at sentence boundaries • Live Activities on Lock Screen • Full-text editor built in • Reading history — resume past sessions • Landscape and iPad adaptive layouts • Volume button controls for speed or navigation • Right-to-left language support • Safari Share Extension for one-tap import FlowSpeedReader is the ultimate reading companion. Download now and unlock your full reading potential.

Screenshots

Throughline Speed Reader4 screens
FlowSpeedReader4 screens

Verdict

The call

The clearest difference is in-app purchases: FlowSpeedReader at none against Throughline Speed Reader's 3. FlowSpeedReader also leads on update cadence (every 6 days vs every 6 weeks) and ratings volume (12 vs 2). Throughline Speed Reader's advantage is ads (none vs shown). On price, rating, review sentiment 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Throughline Speed Reader sells 3 in-app purchases, starting at $1.99 per month. FlowSpeedReader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Throughline Speed Reader against 5.0 for FlowSpeedReader. That said, the two scores are not equally well evidenced: FlowSpeedReader has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Throughline Speed Reader ships an update every 6 weeks, FlowSpeedReader every 6 days. The most recent releases landed on September 23, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 4 level
Throughline Speed Reader versus FlowSpeedReader: the parameters behind the verdict, then further details
ParameterThroughline Speed ReaderFlowSpeedReader
PriceFreeFree
Rating5.0 (2 ratings)5.0 (12 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings212 — better
Update frequencyEvery 6 weeksEvery 6 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS26.017.0 — better
Further details — not scored
Size15 MB9 MB
Age rating4+4+
DeveloperSteven TownsendBesufekad Mekuria

Customer experience

Throughline Speed Reader

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

FlowSpeedReader

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Throughline Speed Reader

Subscriptions2
  • Throughline Pro - Monthly$1.991 Month
  • Throughline Pro - Annual$12.991 Year
One-time1
  • Throughline Pro - Lifetime$29.99
None

FlowSpeedReader

No in-app purchases

Questions

Is Throughline Speed Reader free?
Throughline Speed Reader is free to download, with in-app purchases available.
Is FlowSpeedReader free?
FlowSpeedReader is free to download, with no in-app purchases.
Which has better reviews, Throughline Speed Reader or FlowSpeedReader?
Throughline Speed Reader and FlowSpeedReader are both rated 5.0 out of 5 on the App Store, from 2 and 12 ratings respectively.
Do Throughline Speed Reader or FlowSpeedReader have ads?
FlowSpeedReader shows ads; Throughline Speed Reader does not.
Which is updated more often, Throughline Speed Reader or FlowSpeedReader?
Throughline Speed Reader ships an update every 6 weeks, and FlowSpeedReader every 6 days. Most recently, Throughline Speed Reader was updated on September 23, 2026 and FlowSpeedReader on October 7, 2026.

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