Chrono Countdown vs How Many Days?
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chrono Countdown
Track important life events with precise, real-time countdowns. Set reminders for birthdays, vacations, deadlines, and more with a clean, intuitive interface. Organize your upcoming moments and cherish past memories.
- Unlimited countdown timers
- Real-time countdown clock
- Smart event reminders
- Customizable event details (notes, icons, names)
- Timeline view of upcoming events
- Track past events and memories
- Secure local data storage
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Never miss what matters. Chrono Countdown helps you track life’s biggest moments with beautiful real-time countdowns, reminders, cover images, and optional cloud sync. Count down to birthdays, vacations, deadlines, holidays, launches, weddings, exams, and personal milestones with second-level precision. WHAT YOU CAN TRACK • Birthdays and anniversaries • Vacations and trips • Exams and school dates • Project deadlines and launches • Holidays and public events • Special milestones and personal goals POWERFUL COUNTDOWN FEATURES • Unlimited countdown timers • Real-time countdown clocks • Smart reminders and notifications • Beautiful cover images for each countdown • Notes, categories, and custom names • Private and public countdowns • Track past events and memories • Habit-style countdown tracking SYNC AND DISCOVER • Use Chrono locally without an account • Sign in to sync countdowns across devices • Discover public countdowns • Follow countdowns you care about • Share public countdown links with friends • View public profiles and countdown pages DESIGNED TO STAY SIMPLE • Fast, intuitive interface • Clean dark and light mode design • Local-first for signed-out users • Cloud sync only when you sign in • Private countdowns stay private unless you share them Whether you’re counting days, hours, minutes, or seconds, Chrono helps you stay focused on what matters most. Download Chrono Countdown and make every moment count.
How Many Days?
Track past anniversaries and future events with unlimited counters. See precise days, hours, and minutes remaining or elapsed. Customizable home screen widgets provide quick access to your important dates.
- Unlimited event tracking
- Count up for past events
- Count down for future events
- Precise day, hour, minute tracking
- Customizable home screen widgets
- Clean and intuitive design
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Whether you want to celebrate memories from the past or count down to future events, our app gives you total control with unlimited event tracking and customizable Home Screen widgets. - Unlimited Events: Create as many counters and countdowns as you need. Track Past & Future Dates - Count Up (Past): "How many days have we been married?", "How long have I had my dog?" - Count Down (Future): "How many days until New Year's?", "Days left to pay the utility bill?", "Milk expiration date tracker." - Precise Tracking: See exact days, hours, and minutes remaining or elapsed. - Home Screen Widgets: Add as many iOS widgets as you like to your iPhone screen and customize which event each widget displays. - Clean & Intuitive Design: A sleek, user-friendly interface designed for daily use.
Screenshots
Verdict
The clearest difference is rating: How Many Days? at 5.0 against Chrono Countdown's 4.0. How Many Days? also leads on update cadence (every 5 days vs monthly). Chrono Countdown's advantage is monetization model (ad-supported vs free with in-app purchases) and iOS requirement (16.4 vs 18). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
How Many Days? holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Chrono Countdown ships an update monthly, How Many Days? every 5 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Chrono Countdown | How Many Days? |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 2 — better | 1 |
| Update frequency | Monthly | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 18 |
| Further details — not scored | ||
| Size | 48 MB | 4 MB |
| Age rating | 4+ | 17+ |
| Developer | Rob Cleozier | Mert Yilmaz |
Customer experience
Chrono Countdown
How Many Days?
In-app purchases
Chrono Countdown
No in-app purchases
How Many Days?
No in-app purchases









