Comparison

My Diary vs Must

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

Head to head
About

My Diary

Safely store your thoughts, memories, and daily moments in a private, password-protected journal. Personalize your entries with photos, voice notes, and custom backgrounds. Track your mood over time to gain self-understanding and promote mental well-being.

Highlights
  • Password, fingerprint, and face ID protection
  • Add photos, audio clips, and sketches
  • Customizable backgrounds, stickers, and fonts
  • Daily mood tracking and insights
  • Calendar and report view for mood history
  • Intuitive and user-friendly design
Features
Read full description

My Diary app is a warm, private, and beautifully designed diary with lock to safely store your personal thoughts, everyday moments, and special memories.. With its stunning interface and thoughtful details, every entry feels special and truly yours. ▶ Why You'll Love My Diary My diary with password is like your close friend who keeps all your secrets. Where you can save your precious moments forever. Then protect diary with lock, decorate each page with photos, backgrounds, and stickers, and also keep checking your mood every day to gain a deeper understanding of yourself. ▶ Highlights You Don’t Want to Miss → Write Anytime, Anywhere Instantly record your feelings, thoughts, or stories whenever you want, whether you're at home, travelling, or on the go. → Add Photos and Voices Make your diary entries more special by adding pictures, audio clips, or simple sketches to express yourself as well as words. → Personalize your pages Choose different colored backgrounds, understand your mood, add stickers, and text styles that match your personality. → Lock & Protect Your Secrets Keep your private diary safe with a password, fingerprint or face ID so only you can access it. → Track Your Mood Insights Record your daily feelings, track emotions, and gain insights about yourself over time. → Report and calendar view My diary with password provides you with a calendar view to keep track of your mental health daily. Moreover, notes and mood tracks also give you a complete report of your moods. ▶ A Safe Space for Your Emotions Writing regularly can help you process emotions, reduce stress, and take care of your mental health. Use My Diary Journal with Lock to openly explore your thoughts, clear your mind, and feel more at peace in your daily life. ▶ Make It Truly Yours My diary with lock helps you save your emotions and record your day in a variety of ways. Whether you like minimalist beauty, colourful backgrounds, or creative collages, My Diary has options to make every page feel like home. ▶ What Makes My Diary Stand Out – Intuitive, clean, and user-friendly design – Strong privacy and security features – Flexible customization options – Perfect for personal growth, gratitude journaling, and self-reflection ▶ Get Started Today! My diary with lock is free to download and offers many features without cost. For those who want even more creative options, exclusive colorful backgrounds, stylish fonts and premium designs are available through My Diary Premium Membership. Download now to keep track of your day and emotions. Privacy policy https://crecode.uk/privacy-policy/ Terms of use https://crecode.uk/terms-of-use/

About

Must

Features
Read full description

Must helps you nurture the relationships that matter most in a busy world—without social media noise, feeds, or tracking. ORGANIZE YOUR INNER CIRCLE Group the people you care about into Inner Circle (weekly), Close Friends (biweekly), and Keep in Touch (monthly). Instantly see who needs your warmth today. MINDFUL REMDFUL REMINDERS & CONVERSATION STARTERS Receive gentle reminders when it is time to reach out. Save personal notes and life events, and prepare with thoughtful conversation starters before you call or meet. MONTHLY REFLECTION & INSIGHTS Track your relationship health over time, celebrate meaningful check-in streaks, and reflect each month on the connections that matter most. 100% PRIVATE BY DESIGN All your contacts, notes, and reflections stay safely on your device and in your private iCloud container. No sign-up, no analytics SDKs, and zero ads. MUST+ (OPTIONAL SUBSCRIPTION OR LIFETIME UNLOCK) Must is free for up to 5 people in your circle. Upgrade to Must+ (Monthly, Annual, or Lifetime) for unlimited contacts, all circles, tailored conversation starters, Home Screen widgets, and Apple Watch support. Privacy Policy: https://haakonfoseide.github.io/must/privacy.html Support: https://haakonfoseide.github.io/must/support.html Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

My Diary4 screens
Must4 screens

Verdict

The call

The clearest difference is ads: Must at none against My Diary's shown. My Diary's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, in-app purchases 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. My Diary sells 7 in-app purchases, starting at $2.49 per 7 days and Must sells 2 in-app purchases, starting at $3.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

Scorecard2 real differences · 8 level
My Diary versus Must: the parameters behind the verdict, then further details
ParameterMy DiaryMust
PriceFreeFree
Rating4.2 (59 ratings) — better—
Positive reviews53.3% of reviews—
Number of ratings59 — better—
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS13.0 — better17.0
Further details — not scored
Size148 MB5 MB
Age rating4+4+
DeveloperCRECODE IT PROFESSIONALS (Private) LTDHAKON FOSEIDE

In-app purchases

7 purchases

My Diary

Subscriptions6
  • Diary Weekly Premium$2.497 Days
  • Diary Monthly Premium3 Days trial$3.991 Month
  • Diary Monthly Premium$3.991 Month
Show 3 more
  • Diary Monthly Premium$4.991 Month
  • Diary Yearly Premium$13.991 Year
  • Diary yearly Premium3 Days trial$19.991 Year
One-time1
  • Diary Lifetime Plan$49.99
2 purchases

Must

Subscriptions1
  • Must+ Annual$3.991 Year
One-time1
  • Must+ Lifetime$11.99

Questions

Is My Diary free?
My Diary is free to download, with in-app purchases available.
Is Must free?
Must is free to download, with in-app purchases available.
Do My Diary or Must have ads?
My Diary shows ads; Must does not.
Which is updated more often, My Diary or Must?
My Diary ships an update every 3 weeks, and Must every 3 weeks. Most recently, My Diary was updated on October 30, 2026 and Must on October 26, 2026.

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