Comparison

Kosaku vs CatNote

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

Head to head
About

Kosaku

Easily transform web pages and music links into stylish social media cards with a simple interface. Offers multi-platform parsing and a one-click summary function for enhanced content sharing.

Highlights
  • Stylish social media card generation
  • Web page to card conversion
  • One-click summary function
  • Multi-platform link parsing
  • Music link to card conversion
  • Simple and elegant interface
Features
Read full description

Featured as App Store Editor's Pick of the Week. Paste a link, pick a style — your social media post becomes a beautiful card in seconds. ## Web Cards Paste any URL and Kosaku extracts the content into a clean card. One-tap AI summary turns long articles into sharp highlights. ## Social Media Cards Works with Twitter/X, Threads, Instagram, and more. Just copy a public post link and generate a card instantly. ## Music Cards Copy a music link to create a card with album art and lyrics. ## Markdown Rendering Render Markdown content visually — code blocks, quotes, and lists look great on a card. Perfect for developers and writers sharing technical content. ## Customize Everything - Gradient backgrounds and solid color themes - Custom fonts - Flexible layouts - High-resolution export --- Kosaku Pro is an optional paid subscription that unlocks member-exclusive features. The subscription renews automatically within 24 hours before expiration. To cancel, do so at least 24 hours before the renewal date. Manage subscriptions: iPhone Settings → Apple ID → Subscriptions Privacy Policy: https://kosaku.yichenlab.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

CatNote

This app offers a unique journaling experience where you collect a new cat illustration each day. Record your daily moments and build a personalized calendar tapestry, enhanced by customizable home screen widgets.

Highlights
  • Daily cat collection
  • Minimalist journaling
  • Home screen widgets
  • Customizable themes
  • Original cat illustrations
Features
Read full description

CatNote is a minimalist journal and widget app that blends a “365-day tapestry of time” with the delightful surprise of a cat blind box. Every day of the year brings a cat of your own. Jot down a feeling, an encounter, or an ordinary moment worth remembering, and watch your cat calendar slowly fill up. Key Features: - One Cat a Day: Record your year by collecting cats - Minimal Journal: Create, edit, and revisit daily entries with ease - Home Screen Widgets: Choose from cat and monthly calendar widgets in multiple sizes - Custom Colors: Pick a favorite theme color for both the app and widgets - Original Illustrations: A playful cast of cats for every day worth remembering May CatNote become a soft little corner in your pocket. Even if you write only one sentence today, you’ve already saved the day with care. Privacy Policy: https://limiere32-ops.github.io/-Catnote-privacy-policy-/privacy-policy.zh-CN.html Terms of Use: https://limiere32-ops.github.io/-Catnote-privacy-policy-/terms-of-service.zh-CN.html Feedback: wow.willlee@gmail.com

Screenshots

Kosaku4 screens
CatNote4 screens

Verdict

The call

The clearest difference is rating: CatNote at 5.0 against Kosaku's 4.6. Kosaku's advantage is ratings volume (18 vs 1) and iOS requirement (15.0 vs 18.2). On price, review sentiment, update cadence and ads 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. Kosaku sells 3 in-app purchases, starting at $1.99 per month and CatNote sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CatNote holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Kosaku has 18 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 93% of Kosaku's written reviews are positive against 100% of CatNote's.

UpkeepUpdate frequency

Kosaku ships an update every 2 weeks, CatNote every 11 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 7 level
Kosaku versus CatNote: the parameters behind the verdict, then further details
ParameterKosakuCatNote
PriceFreeFree
Rating4.6 (18 ratings)5.0 (1 ratings) — better
Positive reviews93.1% of reviews100.0% of reviews — better
Number of ratings18 — better1
Update frequencyEvery 2 weeksEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.2
Further details — not scored
Size62 MB9 MB
Age rating4+9+
DeveloperChengdu Yichen Technology Co., Ltd寒星 李

Customer experience

Kosaku

All ratings18 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews29 reviews
Positive93.1%
Neutral3.4%
Negative3.4%

CatNote

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Kosaku

Subscriptions2
  • 每月订阅$1.991 Month
  • 年度会员$19.991 Year
One-time1
  • 终身会员$39.99
1 purchases

CatNote

One-time1
  • CatNote Unlock all permanently$4.99

Questions

Is Kosaku free?
Kosaku is free to download, with in-app purchases available.
Is CatNote free?
CatNote is free to download, with in-app purchases available.
Which has better reviews, Kosaku or CatNote?
CatNote is rated higher. Kosaku averages 4.6 out of 5 from 18 ratings, while CatNote averages 5.0 from 1 ratings.
Do Kosaku or CatNote have ads?
Neither Kosaku nor CatNote shows ads.
Which is updated more often, Kosaku or CatNote?
Kosaku ships an update every 2 weeks, and CatNote every 11 days. Most recently, Kosaku was updated on November 8, 2026 and CatNote on November 6, 2026.

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