Comparison

Knowto vs Vellum

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

Head to head
About

Knowto

Capture ideas instantly with a fast, local-first note-taking app. Organize thoughts naturally with threads, tags, and attachments. Access your notes offline with optional cloud sync.

Highlights
  • Always-ready composer
  • Build on thoughts with threads
  • Search and filter notes
  • Attach photos and resources
  • Local-first storage
  • Background sync across devices
Features
Read full description

Catch ideas before they disappear. Knowto is a fast, local-first notes app built around an always-ready composer. Write now, organize naturally, and return to any thought without fighting a complicated filing system. BUILD ON EVERY THOUGHT Turn a note into a thread when an idea keeps growing. Add follow-ups while keeping the original context close. FIND WHAT MATTERS Search your notes, add multiple tags, and filter your collection to surface the right thought quickly. KEEP USEFUL CONTEXT Attach photos and other resources to your notes. Expand a note when you need the full detail, or keep scanning through a clean, compact list. LOCAL-FIRST BY DESIGN Your notes stay available on your device. Sign in when you want background sync across iPhone, Mac, and web. Archive notes without losing them, then restore them whenever needed. Knowto keeps note taking immediate, calm, and connected. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Vellum

Features
Read full description

Vellum Journal is a calm, focused space for capturing thoughts, notes, and everyday moments. Write without distraction and organize your entries into topics. Use tags, notes, and Markdown to give your ideas structure while keeping everything easy to find. CORE FEATURES • Create entries and organize them into topics • Add tags and notes • Write with Markdown • Search your library • Export your content • Keep your library on your device by default VELLUM PRO Vellum Pro is available as a one-time in-app purchase and adds: • Cross-device library sync through your private iCloud database • Notion workspace integration and export A separate Vellum account is not required. Sync starts only after you enable it on a device signed in to iCloud. Content is sent to Notion only when you choose to export it to your connected workspace.

Screenshots

Knowto4 screens
Vellum4 screens

Verdict

The call

Knowto and Vellum are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Knowto sells 2 in-app purchases, starting at $0.99 per month and Vellum sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Knowto ships an update every 10 days, Vellum weekly. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

ScorecardNo meaningful differences
Knowto versus Vellum: the parameters behind the verdict, then further details
ParameterKnowtoVellum
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 10 daysWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.6
Further details — not scored
Size5 MB44 MB
Age rating4+4+
DeveloperLumik LLC四扬 叶

In-app purchases

2 purchases

Knowto

Subscriptions2
  • Knowto Plus Monthly3 Months trial$0.991 Month
  • Knowto Plus Yearly3 Months trial$9.991 Year
1 purchases

Vellum

One-time1
  • Vellum pro lifetime$2.99

Questions

Is Knowto free?
Knowto is free to download, with in-app purchases available.
Is Vellum free?
Vellum is free to download, with in-app purchases available.
Do Knowto or Vellum have ads?
Neither Knowto nor Vellum shows ads.
Which is updated more often, Knowto or Vellum?
Knowto ships an update every 10 days, and Vellum weekly. Most recently, Knowto was updated on October 31, 2026 and Vellum on November 6, 2026.

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