Comparison

HeartNote Diary vs MindJournal AI+

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

Head to head
About

HeartNote Diary

Features
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HeartNote is an offline-first private journaling app focused on privacy, security, and a calm writing experience. Your entries, photos, audio, video, files, and doodles are stored locally on your device by default. No account is required, and your data is not forced into the cloud. HeartNote helps you capture everyday life in richer ways. In addition to plain text, you can write with images, image groups, video, audio, files, and doodles. The editor supports mixed media layouts, flexible block reordering, and Markdown text, so writing feels natural and expressive. HeartNote also helps you organize and revisit your memories with: Timeline and calendar views Notebooks, tags, weather, and mood metadata Search and filters Media library for browsing attachments On This Day, trends, and review insights Time Capsule reminders for future reflection For privacy and protection, HeartNote supports app lock, PIN, biometric unlock, and local backup and restore, so your journal stays under your control. This version also adds: Multi-year diary Notebook-based journal export Direct journal creation from a selected calendar date Export a single entry as a shareable journal card If you want a journaling app that stays private, works offline, and supports rich content, HeartNote is built for long-term personal use.

About

MindJournal AI+

Features
Read full description

MindJournal is a private, AI-powered mood journal for daily writing and self-reflection. PRIVACY-FIRST STORAGE Journal text, AI reflections, and weekly summaries are encrypted on-device with AES-256-GCM. Optional iCloud Sync stores encrypted content in your private iCloud database; dates, moods, tags, and other metadata also sync. AI Reflection sends a selected entry over TLS only when you request it. The content is not stored by our server or used by us for training. FREE FEATURES - Daily journal entries with mood and intensity tracking - Tags and full-text search - Face ID / Touch ID lock - Optional private iCloud sync across Apple devices - Safety resources shown when wording suggests possible immediate risk PREMIUM FEATURES - AI reflection questions after selected entries - Mood insight charts - Weekly writing summary - Data export MindJournal is for journaling and self-reflection only. It does not provide medical advice, diagnosis, therapy, crisis counseling, or emergency services. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

HeartNote Diary4 screens
MindJournal AI+4 screens

Verdict

The call

The clearest difference is in-app purchases: HeartNote Diary at none against MindJournal AI+'s 1. HeartNote Diary also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. MindJournal AI+ sells 1 in-app purchase, starting at $2.99 per month. HeartNote Diary asks for nothing beyond the download.

UpkeepUpdate frequency

HeartNote Diary ships an update every 3 weeks, MindJournal AI+ fortnightly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

Scorecard2 real differences ยท 4 level
HeartNote Diary versus MindJournal AI+: the parameters behind the verdict, then further details
ParameterHeartNote DiaryMindJournal AI+
PriceFreeFree
Update frequencyEvery 3 weeksFortnightly โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS13.0 โ€” better17.0
Further details โ€” not scored
Size55 MB10 MB
Age rating4+4+
Developerไฟ ็Ž‹VS Co., Ltd.

In-app purchases

None

HeartNote Diary

No in-app purchases

1 purchases

MindJournal AI+

Subscriptions1
  • MindJournal Premium$2.991 Month

Questions

Is HeartNote Diary free?
HeartNote Diary is free to download, with no in-app purchases.
Is MindJournal AI+ free?
MindJournal AI+ is free to download, with in-app purchases available.
Do HeartNote Diary or MindJournal AI+ have ads?
Neither HeartNote Diary nor MindJournal AI+ shows ads.
Which is updated more often, HeartNote Diary or MindJournal AI+?
HeartNote Diary ships an update every 3 weeks, and MindJournal AI+ fortnightly. Most recently, HeartNote Diary was updated on October 9, 2026 and MindJournal AI+ on October 7, 2026.

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