Comparison

SummarizeIt vs Koku

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

Head to head
About

SummarizeIt

Instantly summarize web articles and analyze their sentiment using on-device processing. Customize summary length and format, translate content, and listen to summaries read aloud. All data remains private and processing works offline.

Highlights
  • Instant article summaries
  • Customizable summary length and format
  • Sentiment analysis
  • Multi-language translation
  • On-device processing
  • Offline functionality
  • Text-to-speech summaries
Features
Read full description

SummarizeIt uses Apple Intelligence to instantly summarize web articles and analyze their sentiment—entirely on your device. No data leaves your iPhone, iPad, or Mac. FEATURES 1. Instant Summaries: Get concise summaries of news articles, blog posts, and web content in seconds 2. Customizable Length & Format: Choose between Short, Standard, or Detailed summaries in paragraph or key points format 3. Sentiment Analysis: Understand the emotional tone (Positive, Neutral, or Negative) 4. Translation: Translate summaries into 9 languages including French, German, Spanish, Japanese, Chinese, Korean, Italian, Portuguese, and English 5. Summary History: Browse and manage past summaries with one-tap delete 6. Text-to-Speech: Listen to summaries read aloud with natural-sounding voices and proper language accents 7. Multi-Language Support: Works with English, Chinese, Japanese, Korean, Spanish, French, German, Italian, Portuguese, and more 8. Privacy-First: All processing happens on-device using Apple Intelligence 9. No Internet Required: Works offline once the page is loaded 10. Smart Detection: Automatically finds the article you're viewing on continuous scroll pages 11. Saved Preferences: Your summary length, format, and translation settings are remembered between sessions PERFORMANCE 1. Short articles (less than 2,000 words): 15-30 seconds 2. Medium articles (2,000-5,000 words): 40-80 seconds 3. Long articles (5,000+ words): 90-150 seconds REQUIREMENTS iPhone 16 or newer, OR iPad with M1 chip or newer, OR Mac with M1 chip or newer iOS 26.0+ or macOS 26.0+ Apple Intelligence enabled How it works: 1. Open any article in Safari 2. Tap the SummarizeIt icon 3. Wait 15-90 seconds depending on article length 4. Read your summary with sentiment analysis 5. Adjust length, format, or add a translation as needed 6. Optionally listen to the summary with text-to-speech 7. Copy or share the summary 8. View past summaries in the History tab PRIVACY & SECURITY 1 100% on-device processing using Apple Intelligence 2. No data sent to external servers 3. No tracking or analytics 4. No personal data collection 5. Your browsing history stays private Perfect for: 1. Busy professionals who need to stay informed quickly 2. Students researching multiple sources 3. Anyone who wants to save time reading long articles 4. Language learners who want summaries translated or read aloud 5. People who prefer audio content while multitasking Note: Text-to-speech feature may occasionally pause due to Safari Web Speech API limitations. This is a known Safari limitation and not an issue with the extension.

About

Koku

This app helps you focus on tasks with customizable work and rest intervals. It offers a simple, distraction-free interface and integrates with your home screen and Apple Watch for easy access and control. Enjoy deep work without accounts, streaks, or subscriptions.

Highlights
  • Customizable focus and rest sessions
  • Classic Pomodoro rhythm option
  • Home Screen widget for quick access
  • Live Activities on lock screen
  • Apple Watch companion app
  • Minimalist, distraction-free design
Features
Read full description

Koku is a focus timer for deep work. Focus. Rest. Repeat. Set your own session lengths or use the classic rhythm - twenty-five minutes of focus, five minutes of rest, a longer break every four sessions. Each minute is a dot. Watch them fill. - No accounts. - No streaks. - No subscriptions. Just time, and the work in front of you. Add Koku to your Home Screen for quick access - start, pause, and skip sessions right from the widget. Keep the timer visible on your lock screen with Live Activities. Koku also includes an Apple Watch companion app that works with the iPhone app, so you can check your timer and control sessions from your wrist. Designed for iPhone, with an Apple Watch companion. Light and dark mode. Works in any language. Koku (刻) is the Japanese word for a moment of time.

Screenshots

SummarizeIt4 screens
Koku4 screens

Verdict

The call

The clearest difference is rating: SummarizeIt at 5.0 against Koku's 3.0. Koku's advantage is update cadence (every 3 days vs every 3 months). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SummarizeIt holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

SummarizeIt ships an update every 3 months, Koku every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
SummarizeIt versus Koku: the parameters behind the verdict, then further details
ParameterSummarizeItKoku
PriceFreeFree
Rating5.0 (1 ratings) — better3.0 (1 ratings)
Number of ratings11
Update frequencyEvery 3 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, Apple Watch
Requires iOS27.026.4 — better
Further details — not scored
Size2 MB10 MB
Age rating4+4+
DeveloperSatish NagdevRodolfo Alberto Lopez Terriquez

Customer experience

SummarizeIt

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Koku

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

SummarizeIt

No in-app purchases

None

Koku

No in-app purchases

Questions

Is SummarizeIt free?
SummarizeIt is free to download, with no in-app purchases.
Is Koku free?
Koku is free to download, with no in-app purchases.
Which has better reviews, SummarizeIt or Koku?
SummarizeIt is rated higher. SummarizeIt averages 5.0 out of 5 from 1 ratings, while Koku averages 3.0 from 1 ratings.
Do SummarizeIt or Koku have ads?
Neither SummarizeIt nor Koku shows ads.
Which is updated more often, SummarizeIt or Koku?
SummarizeIt ships an update every 3 months, and Koku every 3 days. Most recently, SummarizeIt was updated on October 30, 2026 and Koku on October 31, 2026.

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