Tmmr vs WhenNote
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tmmr
This tool helps you track important dates with customizable countdowns. It offers personalization options, real-time updates, and smart reminders. Seamlessly integrate with your calendar and view progress with home screen widgets.
- Unlimited countdown events
- Personalization with emojis and themes
- Real-time countdown display
- Smart repeat events
- Calendar integration
- Home screen and lock screen widgets
- Tag management for organization
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Countdown is an elegant and minimalist free countdown tool that helps you easily track every important day in your life. Whether it's birthdays, anniversaries, holidays, or work deadlines, let Countdown be your most thoughtful time management assistant. Core Features Unlimited Countdowns: - Create unlimited countdown events to record all important moments - Support all-day events and precise time settings down to the minute - Smart sorting with upcoming events automatically pinned to the top Personalization - 200+ beautiful emojis to choose a unique icon for each event - 6 preset theme colors to create your unique visual style - Custom tag system for easy categorization and management Real-time Countdown - Precisely displays years, months, days, hours, minutes, and seconds - Support weekday mode, counting only Monday to Friday - Automatically distinguishes future and past events Smart Repeat - Support daily, weekly, monthly, and yearly repeats - Repeating events automatically calculate the next cycle - Perfect for birthdays, anniversaries, and other periodic events Calendar Integration - One-tap import from system calendar - Export countdowns to calendar - Seamless sync, never miss any important arrangements Thoughtful Reminders - Reminder when event completes - 1 day before reminder - 1 week before reminder - Multiple reminders to ensure you never miss important moments Home Screen & Lock Screen Widgets - Multiple styles: small and medium sizes - Real-time updates, view without opening the app - Support lock screen widgets to track countdown anytime Tag Management - Preset tags: Birthday, Celebration, Work, Travel, etc. - Custom tags for flexible event organization - Tag filtering to quickly find target events Data Security - Local storage ensures privacy and security - Support event archiving to preserve history - One-tap duplicate to quickly create similar events Use Cases - Birthday countdowns: Record birthdays of family and friends - Anniversaries: Relationship anniversaries, wedding anniversaries - Holidays: Spring Festival, Christmas, vacation plans - Work deadlines: Project deadlines, meeting times - Study plans: Exam dates, thesis defense - Fitness goals: Workout check-ins, competition dates - Travel plans: Departure dates, return times Why Choose Countdown? - Simple and beautiful interface with smooth, intuitive operation - Complete and powerful features to meet all countdown needs - Real-time updates with precise countdown display down to seconds - Widget support to view countdown anytime, anywhere - Privacy and security with data stored only on local device - Completely free with no ads Privacy Policy: https://indecisive-blackberry-1b0.notion.site/Privacy-Policy-2dbc773b6a0780a6af47fbde5c0cb930 Terms of Use: https://indecisive-blackberry-1b0.notion.site/Terms-of-Use-2dbc773b6a07801587a1f2b1165d82fc Feel free to contact us: amosiper@gmail.com
WhenNote
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WhenNote keeps important dates clear and easy to revisit. Organize meaningful events in flexible notebooks, understand how much time has passed or remains, and handle everyday date calculations in one focused app. Features: • Organize dates into separate notebooks • Record names, descriptions, start dates, and end dates • See elapsed, upcoming, and remaining time at a glance • Calculate and total date intervals • Add or subtract years, months, days, hours, and minutes • Reorder notebooks and entries to match your workflow • Optionally back up and restore through your private Google Drive app-data area • Use the app in English, Traditional Chinese, or Japanese Your notes are stored on your device by default. When Google Drive backup is enabled, WhenNote requests access only to its own hidden app-data area—not your other Drive files. No ads. No tracking. No unnecessary account required.
Screenshots
Verdict
The clearest difference is in-app purchases: WhenNote at none against Tmmr's 1. WhenNote also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, 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. Tmmr sells 1 one-off in-app purchase. WhenNote asks for nothing beyond the download.
Tmmr ships an update weekly, WhenNote every 11 days. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.
| Parameter | Tmmr | WhenNote |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (9 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Weekly — better | Every 11 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 27 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | 伟 潘 | Hank Wang |
In-app purchases
Tmmr
- Lifetime Membership$4.99
WhenNote
No in-app purchases









