Comparison

pixiv Sketch vs ずんだボイス「ずんだもん読み上げアプリ」

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

Head to head
About

pixiv Sketch

This app allows users to draw and communicate with a large community of artists. It offers easy-to-use drawing tools, AI-powered coloring, and collaborative features like "Redraw" and "Reply" to interact with other users' artwork.

Highlights
  • Easy-to-use pens and brushes
  • AI automatic coloring
  • Drawing Motivator Voice
  • Redraw feature for collaboration
  • Reply feature for illustration conversations
  • Community feed with millions of illustrations
Features
Read full description

Over 10 million users! A drawing and communication app that makes your daily creative activities more fun! It includes a Draw feature that allows you to easily draw at any time, and a community with over 11 million illustrations posted! About pixiv Sketch pixiv Sketch is a drawing and communication app by pixiv Inc. ・The Draw feature makes drawing feel just like sketching on paper, so you'll have no trouble getting exactly the results you want. ・The app features the latest drawing support technology, including automatic coloring using AI. About pixiv Sketch's Draw feature pixiv Sketch's Draw feature is the simplest you'll find around! Enjoy drawing digitally right away, even if it's your first time. ● Easy-to-use pens and brushes ・The app comes with pens and brushes that are easy for anyone to use, including first-time painters. ・The Sketch pencil feels as smooth as a real pencil. ・The variety of available brushes covers a wide range of media, including watercolor. ● Simple and intuitive interface ・The clean UI leaves room for a wider drawing canvas. ・The app includes special layouts for both right-handed and left-handed artists. ・No menus or tools getting in the way, allowing you a smooth drawing experience. ● Unique features to enhance your drawing experience ・Color your line drawings with AI! An automatic coloring feature is available for no-hassle coloring. ・The Drawing Motivator Voice feature will let you experience a new height of motivation! ・The Redraw feature allows you to add to other people's illustrations and daily themes. Find new drawing friends with the Community feature Communicate with your drawing buddies in a community where a total of over 11 million illustrations have already been posted. ● Enjoy a constant flow of illustrations on your Timeline ・Many new illustrations are posted every day. Check them out on your very own wall! ・Interact with your favorite illustrations by leaving a heart. ・Follow artists you like and connect with them. ● The Reply feature lets you respond to an illustration with another illustration ・Reply to everyone's posts with your illustrations. ・Use the Reply feature to easily join contests or post your own interpretation of daily themes. ・Send illustrations to other artists, or even have entire conversations using only artwork; how you use the Reply feature is up to you! ● Use the Redraw feature to add to existing illustrations ・Draw on the illustrations that others have posted. ・It's a great way to collaborate with other artists, for example by joining in on the daily theme or by coloring other people's line art drawings. Notes: A pixiv account is required to use some of the features. If you have any questions or to report a problem, please contact pixiv Sketch Support. https://www.pixiv.net/support.php?mode=select_type&service=sketch

About

ずんだボイス「ずんだもん読み上げアプリ」

Features
Read full description

このアプリはずんだもんの読み上げアプリなのだ! VOICEVOXのファイルをインポートして声を追加することもできるのだ! イントネーション・スピード・トーン・語の長さを自由に調整することができるのだ! 生成された音声は保存することもできるから、動画編集に使ったり友達に送ったりできるのだ。 音声の生成はスマホだけで処理を行うのだ。 入力されたテキストデータなどの収集は行なっていないので安心して使って欲しいのだ! ###### 利用規約 ###### https://www.apple.com/legal/internet-services/itunes/jp/terms.html ※音声を使用する際は必ずクレジット表記をしてください。 ※VOICEVOXの利用規約を必ず読んでください。 https://zunko.jp/con_ongen_kiaku.html VOICEVOX:ずんだもん イラスト:坂本アヒル様 東北ずん子PJ番号:1092

Screenshots

pixiv Sketch4 screens
ずんだボイス「ずんだもん読み上げアプリ」4 screens

Verdict

The call

The clearest difference is in-app purchases: pixiv Sketch at none against ずんだボイス「ずんだもん読み上げアプリ」's 2. pixiv Sketch also leads on rating (4.7 vs 4.5). On price, review sentiment, ratings volume and update cadence 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. ずんだボイス「ずんだもん読み上げアプリ」 sells 2 in-app purchases, starting at $0.99 per month. pixiv Sketch asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

pixiv Sketch holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 213 and 363 respectively. Written reviews complicate that: 72% of pixiv Sketch's written reviews are positive against 77% of ずんだボイス「ずんだもん読み上げアプリ」's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

pixiv Sketch ships an update fortnightly, ずんだボイス「ずんだもん読み上げアプリ」 every 8 days. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
pixiv Sketch versus ずんだボイス「ずんだもん読み上げアプリ」: the parameters behind the verdict, then further details
Parameterpixiv Sketchずんだボイス「ずんだもん読み上げアプリ」
PriceFreeFree
Rating4.7 (213 ratings) — better4.5 (363 ratings)
Positive reviews72.0% of reviews76.5% of reviews — better
Number of ratings213363 — better
Update frequencyFortnightlyEvery 8 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.016.0
Further details — not scored
Size134 MB216 MB
Age rating12+4+
Developerpixiv Inc.Toraichi Igarashi

Customer experience

pixiv Sketch

All ratings213 ratings
Positive91.1%
Neutral3.8%
Negative5.2%
Written reviews82 reviews
Positive72.0%
Neutral12.2%
Negative15.9%

ずんだボイス「ずんだもん読み上げアプリ」

All ratings363 ratings
Positive86.2%
Neutral7.2%
Negative6.6%
Written reviews162 reviews
Positive76.5%
Neutral13.0%
Negative10.5%

User reviews

pixiv Sketch

From 213 App Store ratings

What we love

  • ✨ Kind and supportive community
  • 🎨 Simple and fun to use
  • 👍 Easy to upload art
  • 🖼️ Great for showcasing artwork
  • 💖 Feels safe to share art

Room to improve

  • 🌐 Mostly in different languages
  • 🤔 Hard to draw on
  • 📉 Live stream quality is bad
  • 🚫 No full screen/high quality option
  • 🗣️ User base mostly Japanese

ずんだボイス「ずんだもん読み上げアプリ」

From 363 App Store ratings

What we love

  • 🚀 Efficient and easy to use
  • 👍 Variety of voice options
  • 💡 AI chat feature
  • 🎨 Customizable voice settings
  • 🎶 Composition capabilities

Room to improve

  • 🐛 Occasional crashes and freezes
  • 🔍 Difficult to navigate due to Japanese-only interface
  • ⏱️ Slow loading times for some features
  • 🔊 Inconsistent audio quality

Bugs and requests

pixiv Sketch

Reported bugs

11 issues
  • App freezes when trying to sketch/stream
  • App crashes when trying to remove photo layer
  • App crashes on opening
  • Login always failed
  • Live stream quality is very bad
Show 6 more
  • No full screen and high quality option for live stream
  • Cannot save art to photos
  • New update drawing feature is hard to adapt
  • Cannot login with existing Pixiv account
  • Verification code not sent for account creation
  • Newest update: unable to see new posts, notifications, follows, followers, posted works, or liked works.

Requested features

19 requests
  • Add translations for non-Japanese users
  • Add furigana on posts
  • Add layer zooming edit tool
  • Add month-by-month history section
  • Improve image quality on upload
Show 14 more
  • Better censorship options
  • Add image editing options (pen, lasso, stickers)
  • Add English translation feature
  • Add option to choose highest quality for live stream
  • Co-stream live function on iPad
  • Allow importing more than one photo
  • Add an eyedropper/color picker tool
  • Add a mirror option for drawings
  • Add landscape drawing mode
  • Add finger canvas rotation
  • Add image transform tool (resize on canvas)
  • Add English version of the app
  • Add Facebook, Twitter, and Google login options
  • Add a color tool

ずんだボイス「ずんだもん読み上げアプリ」

Reported bugs

3 issues
  • Lyrics input not working properly
  • Unexpected audio distortion in certain cases
  • Saved projects randomly deleted or corrupted

Requested features

4 requests
  • Add English language support
  • Implement more advanced vocal tuning options
  • Improve song composition tools
  • Optimize performance and reduce loading times

In-app purchases

None

pixiv Sketch

No in-app purchases

2 purchases

ずんだボイス「ずんだもん読み上げアプリ」

Subscriptions1
  • Subscription$0.991 Month
One-time1
  • 買い切り$9.99

Questions

Is pixiv Sketch free?
pixiv Sketch is free to download, with no in-app purchases.
Is ずんだボイス「ずんだもん読み上げアプリ」 free?
ずんだボイス「ずんだもん読み上げアプリ」 is free to download, with in-app purchases available.
Which has better reviews, pixiv Sketch or ずんだボイス「ずんだもん読み上げアプリ」?
pixiv Sketch is rated higher. pixiv Sketch averages 4.7 out of 5 from 213 ratings, while ずんだボイス「ずんだもん読み上げアプリ」 averages 4.5 from 363 ratings.
Do pixiv Sketch or ずんだボイス「ずんだもん読み上げアプリ」 have ads?
Both pixiv Sketch and ずんだボイス「ずんだもん読み上げアプリ」 show ads.
Which is updated more often, pixiv Sketch or ずんだボイス「ずんだもん読み上げアプリ」?
pixiv Sketch ships an update fortnightly, and ずんだボイス「ずんだもん読み上げアプリ」 every 8 days. Most recently, pixiv Sketch was updated on November 1, 2026 and ずんだボイス「ずんだもん読み上げアプリ」 on October 25, 2026.

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