正数日 vs Noteday
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
正数日
This app uniquely focuses on counting forward from important dates, celebrating milestones like the 100th or 1000th day. It offers more than just forward counting, encouraging users to remember significant events rather than just countdown to them.
- Forward counting for important dates
- Celebrate day milestones (100th, 1000th)
- Remember significant events
- Additional functionalities beyond counting
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全网唯一主打支持“正着数”重要日子的APP 一个重要日子发生后的第100天,第1000天,第10000天,是不是有种神奇的感觉? 倒计时的宿命是被删除,正数日的结局是被铭记。 当然,这个APP也不仅仅只会正数,试试看就知道了。
Noteday
Track important dates like birthdays and anniversaries with customizable countdowns and count-ups. Add notes, photos, and set reminders to never miss a memorable moment. Organize events into categories and style them to your preference.
- Countdown and count-up for any date
- Customizable reminders and notifications
- Add notes and photos to events
- Organize events by category
- Home and Lock Screen widgets
- Date calculator tool
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Birthdays, anniversaries, the day you met, a trip you can't wait for… some days are worth remembering. Noteday keeps track of every day that matters, shows how many days are left or how long it has been, and reminds you before it arrives. RECORD EVERY DAY THAT MATTERS • Just pick a date. Noteday automatically shows the days until or since, so there's no need to choose between a countdown and a count-up. • Supports the Gregorian and Chinese lunar calendars, specific times and end times, with automatic archiving when an event ends. • Flexible repeats: daily, weekly, every two weeks, monthly, yearly, or by weekday, such as the second Sunday of every month. • Add notes and photos to each event to capture the moment. • Milestones: Noteday highlights days worth celebrating, like Day 100, Day 1,000, the first month and every anniversary, reminds you on the day, and lets you add a note for it. WIDGETS • Home Screen and Lock Screen widgets show how many days are left without opening the app. • Single-event widget: keep your most important day on your Home Screen. • Event list widget (Pro): see several upcoming days at a glance. • Time progress widgets: see how much of today, this week, this month and this year has passed (Pro unlocks all). NEVER MISS A DAY • Daily reminders, advance reminders and custom reminder times. • Location reminders: get reminded when you arrive at a place. • Default birthday reminders: set reminders once for all birthdays, and changes apply automatically. • Live Activities: when an event with a specific time is about to start, a countdown appears on the Lock Screen and in the Dynamic Island. ORGANIZE AND STYLE IT YOUR WAY • Organize events into categories, each with its own icon and color. • Give events an avatar (photo or emoji), a background and their own color. Custom images and solid color backgrounds are Pro features. • Choose from several event list styles and patterns, plus your own accent color, app icon and number font. Dark Mode supported. MORE TOOLS • Timeline: look back on all events by month. • Date Calculator: count the days between two dates. • Share images: turn an event into a beautiful image for family and friends (Pro removes the watermark). IMPORT, SYNC AND SHARE (PRO) • Import birthdays from Contacts and events from Calendar in one tap. • Sync between your iPhone and iPad with iCloud, and share events with family and friends. PRIVACY AND DATA • No sign-up or login. Your data stays on your device and in your iCloud. • Back up and restore locally, or export your data as CSV and images. FREE AND NOTEDAY PRO The free version includes: • Up to 5 events • Reminders and single-event widgets • Local backup and export Noteday Pro is a one-time purchase that's yours forever. It also unlocks: • Unlimited events • iCloud sync and event sharing • Import from Calendar and Contacts • Custom images and solid color backgrounds • Event list and all time progress widgets • No watermark on shared images If you run into any problems or have new ideas, let me know through Feedback in the app.
Screenshots
Verdict
The clearest difference is review sentiment: 正数日 at 100% against Noteday's 0%. 正数日 also leads on iOS requirement (9.0 vs 26.0). Noteday's advantage is ads (none vs shown) and update cadence (fortnightly vs every 4 months). On price, in-app purchases, monetization model 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. 正数日 sells 1 one-off in-app purchase and Noteday sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
正数日 ships an update every 4 months, Noteday fortnightly. The most recent releases landed on November 9, 2026 and November 7, 2026 respectively.
| Parameter | 正数日 | Noteday |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (8 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 44 MB | 49 MB |
| Age rating | 12+ | 4+ |
| Developer | 斌 郭 | 铧 杨 |
Customer experience
正数日
Noteday
In-app purchases
正数日
- 专业版$1.99
Noteday
- Noteday Pro$2.99






