Comparison

CastleKeyp vs Note26

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

Head to head
About

CastleKeyp

Features
Read full description

At every stage of life, CastleKeyp helps you manage life better. Store your sensitive personal information and access it from anywhere - from your passwords to your passport to your bank accounts and much more. End-to-end encryption protects your information for total privacy and security. Your information is just between you and the people you choose. Not even CastleKeyp can see it. Your CastleKeyp Profile: Home address, birthdates, allergies, family information and more - personal information you wouldn’t normally put online is entirely private and secure in your end-to-end encrypted CastleKeyp Profile. Only you and the people you choose to connect with on CastleKeyp can see it. Control what others see – share all or just parts of your Profile. Your Profile is free to create and share with as many CastleKeyp Contacts as you choose. Great for remembering birthdays, sending gifts and much more! Your end-to-end encrypted Keyp: Welcome to your very own online Keyp: a single, accessible place to store and organize all of your personal information, end-to-end encrypted. As secure as a password safe, it's a template for organizing your home life - store home utility account information, family blood types, living room paint colors - every bit of personal information, so you never lose track again. Have your partner or trusted family member join CastleKeyp and you can permission them to see your Keyp - manage life together. Otherwise, it's for your eyes only. Securely store information you need to manage the business of life. It will be there when you need it. One place, good for life. Connect better: Keep track of extended family and friends, with a fraction of the headache. Every CastleKeyp member updates their own Profile – so it's good information, right from the source - and no more trying to keep track of moves, contact information changes, children’s names, ages, allergies. Manage just your own Profile instead of all of your contacts. Have the useful information you need to reach the people who matter most in your life, for life. From a high school graduation to a wedding to a funeral and everything in between, reach your people when it matters most. Joining CastleKeyp is free, private and secure - invite your friends, family and community. You can connect with unlimited CastleKeyp members. Organize your social life: We all have different social circles – Book Club, Wine Club, PTA, Fantasy Football, Little League, volunteer organizations. Create Custom Groups to keep in touch more easily. Send emails, text or export contact information with a single tap. Use CastleKeyp's Holiday Cards Group, and export your addresses for the printer with a single tap. Share sensitive personal information beyond your Profile with CastleKeyp’s Pre-Set groups – clothing sizes for you and your family; SSNs and more with a Partner or family. Never miss an important date again: All of your important dates populate automatically on the in-app Calendar. Birthdays and anniversaries for your CastleKeyp Contacts, expiration and due dates for your passport and more, all in one place. Get custom in-app and push notifications to stay on top of it all. Save time, money and hassle with reminders for expiration and due dates for passports, credit cards, property tax bills, insurance policies and more. Keyp your life in order - and spread the word! At every stage of life, CastleKeyp helps you manage life better. One place. Good for life.

About

Note26

This app offers a unique approach to note-taking by integrating directly with your calendar. Simply select a date and start typing your thoughts, to-do lists, or journal entries without any rigid structure. It provides a streamlined way to organize your life by day.

Highlights
  • One note per day organization
  • Instant writing without forms
  • Markdown support buttons
  • Calendar integration
  • To-do lists and reminders
Features
Read full description

Note26 is a lightweight, date-focused note-taking app that blends the clarity of a calendar with the freedom of writing. No titles, no time slots — just pick a day and type. It’s that simple. Unlike traditional calendar apps that require structured inputs like time, location, and titles, Note26 removes all friction. Whether you're writing a to-do list, shopping reminder, journal entry, or trip plan — just tap a date and start typing. Key Features - One note per day Organize your thoughts by date — your calendar becomes your notebook. - Instant writing No need to fill out forms. Select a day and write what matters. - Markdown support buttons Use simple buttons to add bullet points, dividers, and checklists — all rendered live as you type.

Screenshots

CastleKeyp4 screens
Note264 screens

Verdict

The call

The clearest difference is in-app purchases: CastleKeyp at none against Note26's 1. Note26's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement 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. Note26 sells 1 in-app purchase, starting at $4.99 per month. CastleKeyp asks for nothing beyond the download.

UpkeepUpdate frequency

CastleKeyp ships an update every 2 months, Note26 every 3 weeks. The most recent releases landed on August 3, 2026 and September 11, 2026 respectively.

Scorecard3 real differences · 7 level
CastleKeyp versus Note26: the parameters behind the verdict, then further details
ParameterCastleKeypNote26
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better16.0
Further details — not scored
Size48 MB19 MB
Age rating4+4+
DeveloperCastleKeyp CorporationNote26 Inc.

In-app purchases

None

CastleKeyp

No in-app purchases

1 purchases

Note26

Subscriptions1
  • Note26 Pro7 Days trial$4.991 Month

Questions

Is CastleKeyp free?
CastleKeyp is free to download, with no in-app purchases.
Is Note26 free?
Note26 is free to download, with in-app purchases available.
Do CastleKeyp or Note26 have ads?
CastleKeyp shows ads; Note26 does not.
Which is updated more often, CastleKeyp or Note26?
CastleKeyp ships an update every 2 months, and Note26 every 3 weeks. Most recently, CastleKeyp was updated on August 3, 2026 and Note26 on September 11, 2026.

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