Comparison

Kaite vs Obsidian

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

Head to head
About

Kaite

Digitize handwritten notes from a special magnetic memo pad. Simply take a photo, and the app automatically corrects, enhances, and saves your writing. Share your digitized memos easily without wasting paper.

Highlights
  • Automatic writing surface recognition
  • Tilt and distortion correction
  • Brightness and contrast adjustment
  • Image trimming
  • Pen and marker drawing tools
  • JPEG and PDF save formats
Features
Read full description

The beginning of a new memo-This app is a scan application that allows you to easily and easily digitize the content you write on the reusable magnetic memo pad Clean Note Kaite. Quickly write by hand, take a picture and digitize. Record and share memos more conveniently without wasting paper. Easy to use. Just launch the app and shoot the Kaite itself, it automatically recognizes the writing surface, corrects the tilt, etc., and makes it easy to see and digitize cleanly. Digitized memos can be saved to the camera roll, sent to email or cloud, and easily recorded and shared. * PLUS Clean Note Kaite is required to use the functions of this app. For details, please check our website. https://www.plus-vision.com/jp/product/kaite/ [Main functions] 1. photograph When the Kaite unit is placed on the shooting screen, the writing surface is automatically recognized and shot. Corrects tilt and trapezoidal distortion during shooting, and makes the data clear and easy to read. 2. Brightness / contrast adjustment You can adjust the brightness and contrast of the correction screen to your liking. 3. trimming You can cut out the necessary area of the corrected image. 4). Drawing tools You can write the corrected image with a pen or marker. 5). Save format selection You can select the image storage format as JPEG or PDF. 【Other features】 -Shooting mode setting (automatic / manual switching) ・ Rotation function ・ Help [How to use the app] 1. Launch the app. 2. Make sure that the entire Kaite body fits on the shooting screen. The writing surface is automatically detected and shot. 3. When the correction screen is displayed, you can edit and save the brightness and contrast. * Writing content may not be stored cleanly if the light from the lighting is reflected on the plate. Please shoot without lighting.

About

Obsidian

Organize your thoughts and ideas with a powerful knowledge base that utilizes local Markdown files. This app acts as your personal second brain, accessible on your mobile device for seamless note-taking and idea connection.

Highlights
  • Local Markdown file storage
  • Customizable toolbar
  • Graph view for connections
  • Community plugins
  • Themes
  • iCloud sync
Features
Read full description

Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files. It is a second brain, for you, forever. Now available on the go for iOS! Features include: - Customizable toolbar - Pull down quick actions - Graph view - Community plugins - Themes - Sidebar pinning for tablet - iCloud vaults

Screenshots

Kaite4 screens
Obsidian4 screens

Verdict

The call

The clearest difference is update cadence: Obsidian at every 3 weeks against Kaite's every 6 months. Obsidian also leads on chart position (#132 vs unranked). On price, review sentiment, 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.

UpkeepUpdate frequency

Kaite ships an update every 6 months, Obsidian every 3 weeks. The most recent releases landed on September 28, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 9 level
Kaite versus Obsidian: the parameters behind the verdict, then further details
ParameterKaiteObsidian
PriceFreeFree
Rating—4.5 (2.8K ratings) — better
Positive reviews57.1% of reviews62.0% of reviews — better
Number of ratings—2.8K — better
Update frequencyEvery 6 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank—#132 — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.6
Further details — not scored
Size15 MB40 MB
Age rating4+4+
DeveloperPLUS CorporationDynalist Inc.

Customer experience

Kaite

Written reviews7 reviews
Positive57.1%
Neutral14.3%
Negative28.6%

Obsidian

All ratings2,757 ratings
Positive85.6%
Neutral4.0%
Negative10.5%
Written reviews1,324 reviews
Positive62.0%
Neutral11.8%
Negative26.2%

Bugs and requests

Kaite

Not enough reviews yet to summarise bugs or requests.

Obsidian

Reported bugs

3 issues
  • Sync issues leading to data loss
  • Freezing and crashing on mobile devices
  • Editing bugs and text input issues

Requested features

5 requests
  • Improved sorting and organization options
  • WYSIWYG editing on mobile
  • Better integration with other cloud storage services
  • More intuitive onboarding process for new users
  • Native mobile widgets and share sheet integration

In-app purchases

None

Kaite

No in-app purchases

None

Obsidian

No in-app purchases

Questions

Is Kaite free?
Kaite is free to download, with no in-app purchases.
Is Obsidian free?
Obsidian is free to download, with no in-app purchases.
Do Kaite or Obsidian have ads?
Neither Kaite nor Obsidian shows ads.
Which is updated more often, Kaite or Obsidian?
Kaite ships an update every 6 months, and Obsidian every 3 weeks. Most recently, Kaite was updated on September 28, 2026 and Obsidian on October 15, 2026.

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