Comparison

Diary Lock vs Bodcat Notebook

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

Head to head
About

Diary Lock

Capture your thoughts, plans, and memories securely. This app offers rich text editing, voice notes, mood tracking, and smart reminders to help you organize your life and protect your private information.

Highlights
  • Rich text editor with formatting options
  • Voice note recording
  • PIN-protected individual notes
  • Daily mood tracking
  • Smart reminders and event scheduling
  • Drawing and image insertion
Features
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Your All-in-One Private Notes & Planner Write, organize, and protect your thoughts with powerful tools in one simple app. Rich Text Editor • Bold, italic, underline & strikethrough • Bullet & numbered lists • Multiple fonts • Highlight & text color options • Add stickers • Insert images • Organize with tags Voice Notes • Record audio directly inside notes • Capture ideas instantly • Perfect for meetings & quick thoughts Private & Secure • Lock individual notes with PIN • Protect personal journals • Keep sensitive information safe Mood Tracking • Set daily moods • Reflect on your emotions • Make journaling more meaningful Smart Reminders & Events • Create events with start & end time • Repeat options • Get notified on time • Stay on schedule More Creative Tools • Draw freely inside notes • Customize with colors • Clean & intuitive design • Organize by date & category Perfect for journaling, planning, studying, goal tracking, and daily organization. Simple. Powerful. Secure. Start with free features and upgrade anytime to unlock the full experience. If you subscribe to a “Pro” plan, payment will be charged to your iTunes account at the time of purchase confirmation. Any unused portion of a free trial (if offered) will be forfeited once you start a subscription. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage your subscription and disable auto-renewal anytime in your Account Settings. Cancellations are not allowed during the active subscription period. For support or questions, please contact us at miraclefifth@gmail.com Privacy Policy - https://secret-diary-journal-lock.blogspot.com/2026/02/privacy-policy.html Terms of Use - https://secret-diary-journal-lock.blogspot.com/2026/02/terms-of-use.html EULA - https://secret-diary-journal-lock.blogspot.com/2026/02/eula.html If you enjoy using Secret Diary: Journal & Lock, please take a moment to rate us and share your feedback.

About

Bodcat Notebook

A private, encrypted journaling and note-taking app designed for personal reflection and sensitive records. It offers AI-assisted suggestions and organization tools, with optional PRO features available via subscription.

Highlights
  • Encrypted notes and journal entries
  • Organize with notebooks and tags
  • Privacy-first design
  • AI-assisted suggestions
  • iCloud Drive backup
  • Empathy Studio and Decoder
Features
Read full description

Bodcat Notebook is a calm, privacy-first encrypted notes app for personal writing, reflection, communication review, sticky ideas, and sensitive records. Create everyday notes, organize notebooks and tags, protect private vault content, back up through iCloud Drive, and choose English, Simplified Chinese, or Follow System. Optional AI-assisted suggestions and analyses follow the selected app language. Bodcat Notebook includes Empathy Studio and Empathy Decoder for structured self-reflection. AI output is for personal reflection only and is not medical, therapeutic, legal, financial, or other professional advice. Bodcat Notebook PRO is available as an auto-renewable yearly subscription for USD $29.99/year in the U.S. storefront, with localized pricing shown by the App Store purchase sheet. Payment and renewal are handled by Apple. Privacy Policy: https://www.hcjworld.com/apps/bodcat-ios-en/privacy/ Terms of Service: https://www.hcjworld.com/apps/bodcat-ios-en/terms/ Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Diary Lock4 screens
Bodcat Notebook4 screens

Verdict

The call

The clearest difference is rating: Bodcat Notebook at 5.0 against Diary Lock's 3.8. Bodcat Notebook also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). Diary Lock's advantage is ratings volume (5 vs 1) and iOS requirement (15.0 vs 17.0). On price, in-app purchases, monetization model and device support 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. Diary Lock sells 4 in-app purchases, starting at $3.99 per 7 days and Bodcat Notebook sells 1 in-app purchase, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Bodcat Notebook holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Diary Lock has 5 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Diary Lock ships an update every 2 weeks, Bodcat Notebook every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Diary Lock versus Bodcat Notebook: the parameters behind the verdict, then further details
ParameterDiary LockBodcat Notebook
PriceFreeFree
Rating3.8 (5 ratings)5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings5 — better1
Update frequencyEvery 2 weeksEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size71 MB11 MB
Age rating4+4+
DeveloperJay LakhaniBeijing Huichengjia Technology Co., Ltd

In-app purchases

4 purchases

Diary Lock

Subscriptions3
  • Weekly Pro Access$3.997 Days
  • Monthly Pro Access$9.991 Month
  • Yearly Pro Access3 Days trial$19.991 Year
One-time1
  • Lifetime Pro Access$39.99
1 purchases

Bodcat Notebook

Subscriptions1
  • Bodcat PRO Yearly$29.991 Year

Questions

Is Diary Lock free?
Diary Lock is free to download, with in-app purchases available.
Is Bodcat Notebook free?
Bodcat Notebook is free to download, with in-app purchases available.
Which has better reviews, Diary Lock or Bodcat Notebook?
Bodcat Notebook is rated higher. Diary Lock averages 3.8 out of 5 from 5 ratings, while Bodcat Notebook averages 5.0 from 1 ratings.
Do Diary Lock or Bodcat Notebook have ads?
Diary Lock shows ads; Bodcat Notebook does not.
Which is updated more often, Diary Lock or Bodcat Notebook?
Diary Lock ships an update every 2 weeks, and Bodcat Notebook every 3 days. Most recently, Diary Lock was updated on October 25, 2026 and Bodcat Notebook on October 24, 2026.

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