Comparison

Markdown Notes Editor vs Keisan Memo

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

Head to head
About

Markdown Notes Editor

Features
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Linen is a Markdown notes app for iPhone, iPad and Mac. Write your notes in Markdown and switch to the preview to see them formatted. WRITE β€’ An editor that colors headings, lists, links and code as you type β€’ One menu for headings, bold, italic, lists, tasks, quotes, code and tables β€’ Outline to jump between headings, find in note, and a focus mode that hides everything but the note β€’ Insert a picture or paste one from the clipboard READ β€’ A preview of your note with GitHub Flavored Markdown formatted: tables, footnotes, code with syntax colors, and task lists you can tick β€’ Math typeset from LaTeX, inline or on its own lines β€’ Diagrams drawn from Mermaid text: flowcharts, sequence diagrams, timelines and more β€’ Four themes, Linen, Paper, Sepia and Slate, each in light and dark, with adjustable text size CONNECT β€’ Link notes to each other with [[double brackets]] and see which notes link back β€’ Tag notes with #tags and show every note that carries a tag β€’ Version history keeps earlier versions of a note, ready to bring back YOUR FILES β€’ Keep notes in folders inside Linen, or open .md files from anywhere β€’ Linen Pro: open a whole folder from iCloud Drive or Files and work on its Markdown files where they are. β€’ Open PDFs beside your notes. Linen Pro: highlight, underline, add text, and rotate, reorder, add or delete pages. SHARE β€’ Export Markdown. Linen Pro: export HTML, PDF and Rich Text. β€’ Linen Pro on Mac and iPad: editor and preview side by side. Linen is free for up to five notes. Linen Pro removes the limit and adds the features marked above, as a weekly subscription or a one-time lifetime purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Keisan Memo

Features
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Stop bouncing between a calculator and your notes. Keisan Memo is a text calculator. Write β€œlunch 1,200 Γ— 3” in a note and β€œ3,600” appears at the end of the line as you type. Edit the numbers and every result updates. - NATURAL WRITING: labels and math share the same line. - JAPANESE-NATIVE: supports Japanese numerals, consumption tax phrases, and percentage discounts. - TOTALS & VARIABLES: write 合計 to sum previous lines or define reusable values. - UNIT CONVERSION: convert length, weight, and time inline. - EXACT DECIMAL MATH: 0.1 + 0.2 is exactly 0.3. - FREE AND UNLIMITED: notes, lines, templates, and text/CSV export have no paywall. - ON-DEVICE NOTES: calculations and note storage stay on the device. Note contents are not sent to the advertising provider. The free app displays one adaptive banner at the bottom. A Β₯100 / $0.99 non-consumable purchase permanently removes the banner. It is a one-time purchase with no subscription and no automatic renewal. Ad delivery uses Google AdMob and an internet connection; advertising identifier use follows your iOS tracking permission. Note: results are estimates for personal memos and are not accounting, tax, or legal advice.

Screenshots

Markdown Notes Editor4 screens
Keisan Memo2 screens

Verdict

The call

The clearest difference is ads: Markdown Notes Editor at none against Keisan Memo's shown. Markdown Notes Editor also leads on device support (3 vs 1). Keisan Memo's advantage is update cadence (weekly vs monthly). On price, in-app purchases and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Markdown Notes Editor sells 2 in-app purchases, starting at $9.99 per 7 days and Keisan Memo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Markdown Notes Editor ships an update monthly, Keisan Memo weekly. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

Scorecard3 real differences Β· 3 level
Markdown Notes Editor versus Keisan Memo: the parameters behind the verdict, then further details
ParameterMarkdown Notes EditorKeisan Memo
PriceFreeFree
Update frequencyMonthlyWeekly β€” better
AdsNo β€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPad, Mac β€” betteriPhone
Requires iOS18.017.0 β€” better
Further details β€” not scored
Size18 MB5 MB
Age rating4+4+
DeveloperCtrl Alt Go LtdδΈ½δ½³ ζ–½

In-app purchases

2 purchases

Markdown Notes Editor

Subscriptions1
  • Pro Weekly3 Days trial$9.997 Days
One-time1
  • Pro Lifetime$34.99
1 purchases

Keisan Memo

One-time1
  • Remove Ads (Lifetime)$0.99

Questions

Is Markdown Notes Editor free?
Markdown Notes Editor is free to download, with in-app purchases available.
Is Keisan Memo free?
Keisan Memo is free to download, with in-app purchases available.
Do Markdown Notes Editor or Keisan Memo have ads?
Keisan Memo shows ads; Markdown Notes Editor does not.
Which is updated more often, Markdown Notes Editor or Keisan Memo?
Markdown Notes Editor ships an update monthly, and Keisan Memo weekly. Most recently, Markdown Notes Editor was updated on October 16, 2026 and Keisan Memo on October 4, 2026.

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