Comparison

thumbzonekeyboard vs LunaLock

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

Head to head
About

thumbzonekeyboard

This keyboard app is optimized for one-thumb typing, offering customizable layouts for comfort and speed. It features a smart design that reduces finger movement and includes a built-in calculator for quick calculations without leaving the keyboard.

Highlights
  • Thumb-optimized layout
  • Standard, left-handed, and mirror modes
  • Smart vowel/consonant zoning
  • Reduced finger movement
  • Built-in calculator
  • No learning curve
Features
Read full description

This keyboard is designed for real mobile users who type with one thumb. It supports standard mode, left-handed mode, and mirror mode so you can choose the layout that feels most comfortable for your hand. The smart thumb layout reduces finger movement and helps you type faster with less effort. * Vowels and consonants are placed in separate zones, and consonants are grouped by similar pronunciation to make keys easier to find with one thumb. There is no learning curve. You can start typing naturally from the first use. It also includes a built-in calculator. You can quickly calculate numbers without leaving the keyboard, making it useful for shopping, work, and daily tasks. Use it for just 5 minutes a day for one week, and you will not be able to go back to the old QWERTY keyboard. Switch modes anytime depending on how you hold your phone. Whether you are right-handed or left-handed, this keyboard adapts to you. Designed for speed, comfort, and real-world use on smartphones.

About

LunaLock

Features
Read full description

LunaLock is the period tracker that actually keeps your data private. No cloud sync. No accounts. No data collection. Your period data stays on your device, period. Unlike other period apps that upload your most personal health data to remote servers, LunaLock was built from the ground up with one principle: your data never leaves your phone. FREE FEATURES: - Log period start and end dates with haptic feedback - Smart cycle prediction with confidence ranges (not just averages) - Track 6 common symptoms: cramps, bloating, headache, fatigue, acne, mood swings - Log your daily mood with 6 mood options - Record flow level from spotting to heavy - Calendar view with period and prediction markers - FaceID and PIN lock with emergency shake-to-lock - Auto-lock timer for extra security - Period reminders with customizable advance notice - Onboarding privacy promise - Delete all data anytime - No ads, no accounts, no tracking PRO FEATURES (one-time $3.99 purchase): - Trend charts for cycle length, symptom frequency, and mood patterns - Data export as PDF for doctor visits or JSON for other apps - Home screen widget with countdown and cycle day - 5 beautiful color themes (Luna, Rose, Ocean, Forest, Sunset) - HealthKit write-only integration (optional) - Monthly and annual cycle reports - Emergency shake-to-lock - All future updates included WHY LUNALOCK? Other period apps like Flo and Clue require accounts, collect your data, and use subscriptions. LunaLock is different: - $3.99 once, not $4.99/month forever - Zero data collection - we literally cannot see your data - FaceID lock means even someone borrowing your phone cannot see your period info - Emergency shake-to-lock for when you need instant privacy LunaLock. Your period. Your phone. Nobody else's.

Screenshots

thumbzonekeyboard4 screens
LunaLock4 screens

Verdict

The call

The clearest difference is in-app purchases: thumbzonekeyboard at none against LunaLock's 1. On price, ads, device support and iOS requirement 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. LunaLock sells 1 one-off in-app purchase. thumbzonekeyboard asks for nothing beyond the download.

Scorecard1 real difference ยท 7 level
thumbzonekeyboard versus LunaLock: the parameters behind the verdict, then further details
ParameterthumbzonekeyboardLunaLock
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 6 daysโ€”
AdsNoNo
In-app purchasesNo โ€” betterYes
MonetizationFreeโ€”
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.517 โ€” better
Further details โ€” not scored
Size9 MB3 MB
Age rating4+9+
DeveloperJAESIK YOUN่ดบ ๅ‘จ

In-app purchases

None

thumbzonekeyboard

No in-app purchases

1 purchases

LunaLock

One-time1
  • LunaLock Pro$3.99

Questions

Is thumbzonekeyboard free?
thumbzonekeyboard is free to download, with no in-app purchases.
Is LunaLock free?
LunaLock is free to download, with in-app purchases available.
Do thumbzonekeyboard or LunaLock have ads?
Neither thumbzonekeyboard nor LunaLock shows ads.

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