number days vs NanoLuna
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
number days
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Days calculation of world calendar
NanoLuna
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NanoLuna undergoes a massive V2 evolution! NanoLuna is a smart calendar app designed for users with complex holiday schedules. Say goodbye to the daily struggle of deciding whether to set an alarm for tomorrow. 【What's New: Flexible Groups & Visual Timeline】 • Group Alarms: Break free from single-alarm limits. Setup custom alarms automatically categorized by "Workday", "Weekend", and "Holiday" groups. Support for up to 5 alarms per group. • Innovative Timeline View: A new dedicated rule management page. Swipe the timeline to visually review and organize all your alarm schedules. • Smart Wake Now Free: Our premium "Smart Alarm" waking strategy is completely unlocked and permanently free for all users! • UI/UX Overhaul: Modern visual redesign for smoother and better interaction. 【Smart Holiday Alarms】 • Automatically recognizes workdays, statutory holidays, weekends, and make-up days. • Rings on workdays, silences on holidays, and rings as usual on make-up workdays. • Supports Siri Shortcuts to voice-control native system alarms. • Custom ringtones supported (up to 30 seconds). 【Night Clock】 • Night Clock: a fullscreen landscape clock designed for bedside viewing. 【Beautiful Desktop Widgets】 • 3 Sizes: Small (Today Glance), Medium (Month View + Holidays), Large (Comprehensive info). • Real-time lunar calendar, solar terms, and holiday countdowns. • iOS frosted glass design blending seamlessly onto your home screen. 【Lunar & Traditional Calendars】 • Precise Gregorian-Lunar conversion (1900-2100). • Exact dates for 24 Solar Terms. • Traditional Almanac dos and don'ts. • Countdown to the next holiday for easy tracking. 【Multi-Region Support】 • China: Complete statutory holidays + adjusted make-up workdays. • Japan: Public holiday calendar. • Korea: Public holiday calendar. • Auto-detects device region with smart recommendations. Download NanoLuna and make every morning anxiety-free.
Screenshots
Verdict
The clearest difference is in-app purchases: number days at none against NanoLuna's 1. number days also leads on update cadence (weekly vs fortnightly) and iOS requirement (13.0 vs 26.0). On price, 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
Both are free to download. NanoLuna sells 1 one-off in-app purchase. number days asks for nothing beyond the download.
number days ships an update weekly, NanoLuna fortnightly. The most recent releases landed on November 6, 2026 and November 11, 2026 respectively.
| Parameter | number days | NanoLuna |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 135 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | masayuki morishita | 恒俭 董 |
In-app purchases
number days
No in-app purchases
NanoLuna
- Pro Lifetime$0.99









