Lucky vs Secure Daily Diary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lucky
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Do you play different lotteries, Lotto, MegaMillions? Do you want to generate your lottery numbers? Would like to take the tedium out of working out your numbers? Lucky:Numbers is the app for you ! Fed up with lucky dip numbers containing repeated numbers in other rows? Lucky: Numbers allow you to create several rows at a time and demand that numbers are not repeated between lines. You can have one or two separate groups of numbers in a line and you can choose how many numbers are in each group and the maximum number in each group
Secure Daily Diary
Capture your thoughts and memories securely with a private journal. Protect your entries with a passcode, Face ID, or Touch ID. Enjoy a customizable experience with various themes and icons, all stored locally and synced via iCloud.
- Passcode, Face ID, or Touch ID protection
- Local storage and iCloud sync
- No third-party servers or sign-ups
- 20+ color themes
- Multiple app icons
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Secure Daily Diary is a simple, elegant, and secure way to capture your thoughts, memories, and daily moments. Your privacy comes first: your entries are protected by a passcode, Face ID, or Touch ID. Everything is stored on your device and synced via your personal iCloud — no third-party servers, no sign-ups. Only you have access to your diary. Customize your experience with 20+ thoughtfully designed color themes and multiple app icons. Make it feel truly yours. With Secure Daily Diary, the important moments of your life are always safe — and always just a tap away.
Screenshots
Verdict
The clearest difference is price: Secure Daily Diary at Free against Lucky's $2.99. Secure Daily Diary also leads on update cadence (every 3 weeks vs every 34 months) and iOS requirement (14.0 vs 26.0). Lucky's advantage is in-app purchases (none vs 1). On ads 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
Secure Daily Diary is free to download; Lucky costs $2.99 up front. Secure Daily Diary sells 1 one-off in-app purchase. Lucky asks for nothing beyond the download.
Lucky ships an update every 34 months, Secure Daily Diary every 3 weeks. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.
| Parameter | Lucky | Secure Daily Diary |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 4.6 (456 ratings) — better |
| Positive reviews | — | 71.2% of reviews |
| Number of ratings | — | 456 — better |
| Update frequency | Every 34 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 26.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Tony Davis | Dmytro Vynokurov |
Bugs and requests
Lucky
Not enough reviews yet to summarise bugs or requests.
Secure Daily Diary
Reported bugs
9 issues- Entries disappear after app update or reinstall
- Entries fail to save properly
- Password protection bypassed when reopening app
- Search function causes app to freeze/lock up
- Paid upgrade not registering - asks to repay
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- Storage limit notification appears too early
- Partial entry saving (only portion of text saved)
- All entries deleted unexpectedly
- Password reset not working after reinstall
Requested features
7 requests- Photo/image upload and attachment capability
- Touch ID or biometric authentication
- Better background customization and decoration options
- Ability to write entries for past dates
- More creative design and styling options
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- Free or unlimited storage without paywall
- Improved search functionality
In-app purchases
Lucky
No in-app purchases
Secure Daily Diary
- Unlimited Diary$9.99
Questions
Is Lucky free?
Is Secure Daily Diary free?
Do Lucky or Secure Daily Diary have ads?
Which is updated more often, Lucky or Secure Daily Diary?
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