Comparison

NiuMa vs LunaLock

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

Head to head
About

NiuMa

This app precisely calculates your real-time earnings per second, whether you're working, taking breaks, or doing unpaid overtime. It tracks your daily earnings, slacking time, and overtime, offering multiple languages, currencies, and themes.

Highlights
  • Per-second salary calculation
  • Work, slacking, and overtime modes
  • Work history and earnings summary
  • Multi-language and currency support
  • Customizable themes
Features
Read full description

NiuMa (Corporate Slave) is a fun and precise salary calculator tailored for the modern employee! Whether you're working hard, slacking off, or doing unpaid overtime (the boss's empty promises), this app calculates your real-time earnings down to the very second. Tired of the boring fixed monthly salary? Want to know exactly how much you earn while taking a coffee break or going to the restroom? Open NiuMa and add some fun and motivation to your daily grind! 【Core Features】 Precise Per-Second Salary: Automatically calculates your "salary per second" based on your monthly income and working hours. Three Working Modes: Working: Steadily earn your base salary. Slacking Off: Taking a break? See exactly how much you're getting paid to do nothing. Overtime: Still at the office after hours? Calculate how much the boss "owes" you in empty promises! Work History Billing: Every day's earnings are recorded, summarizing your "Total Earned", "Total Slacking", and "Total Promises" clearly. Multi-Language & Currency: Supports 5 languages (English, Simplified/Traditional Chinese, Japanese, Korean) and matching currencies ($/¥/€/円/₩). Immersive Themes: Choose from three beautifully designed themes: "Minimal", "Retro", and "Cyberpunk" to match your aesthetic. Every second counts. Don't work for free! Come measure your true corporate value!

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

NiuMa3 screens
LunaLock4 screens

Verdict

The call

The clearest difference is price: LunaLock at Free against NiuMa's $0.99. NiuMa's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement 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

LunaLock is free to download; NiuMa costs $0.99 up front. LunaLock sells 1 one-off in-app purchase. NiuMa asks for nothing beyond the download.

Scorecard2 real differences · 7 level
NiuMa versus LunaLock: the parameters behind the verdict, then further details
ParameterNiuMaLunaLock
Price$0.99Free — better
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyDaily—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better17
Further details — not scored
Size2 MB3 MB
Age rating4+9+
Developer鑫 宋贺 周

In-app purchases

None

NiuMa

No in-app purchases

1 purchases

LunaLock

One-time1
  • LunaLock Pro$3.99

Questions

Is NiuMa free?
NiuMa costs $0.99, with no in-app purchases.
Is LunaLock free?
LunaLock is free to download, with in-app purchases available.
Do NiuMa or LunaLock have ads?
Neither NiuMa nor LunaLock shows ads.

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