Smooth Countdown vs iDays Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smooth Countdown
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Countdown the time with a smoothly animated background. It is the perfect reminder while the device waits in the dock. Features: - toggle between day and night mode - choose between no alarm, one alarm or repeated alarm sound - supports the 12 and 24 hour format - uses local notifications when the timer runs up
iDays Pro
This app helps you track and count down to important dates in your life. It offers customizable themes, event reminders, and a date calculator to ensure you never miss a special occasion. Advanced features include Touch ID sign-in and iCloud backup for enhanced privacy and data security.
- Count-down/Count-up events
- Multiple themes
- Date calculator
- User-defined time reminders
- Touch ID sign-in
- iCloud backup
- Apple Watch support
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"iDays" is a tiny assistant app that helps you record important days in your life. Never miss his/her anniversary. For instance: How many days have you been dating with your sweet heart? How long is the New Year’s Day? How many days have you been in the world? Basic Features: - Count-down/Count-up events - Multiple themes for your selection - Date calculator - Events auto ordering - Events classification handling - User-defined time reminder - History on today Advanced Features: - Support Touch ID sign-in, save your privacy from being offended - Notifications display widget, drop down notifications then you'll check the event (two patterns of notification bar) - Support iCloud backup, never miss important days any more - System calendar event import/export - Support Apple Watch - Support 3D Touch - Support iMessage - Support iOS 10
Screenshots
Verdict
The clearest difference is update cadence: iDays Pro at every 3 weeks against Smooth Countdown's every 21 months. iDays Pro also leads on iOS requirement (9.0 vs 15.6). Smooth Countdown's advantage is price ($0.99 vs $1.99). On ads, in-app purchases 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
Smooth Countdown costs $0.99 and iDays Pro $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Smooth Countdown ships an update every 21 months, iDays Pro every 3 weeks. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.
| Parameter | Smooth Countdown | iDays Pro |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | — | 4.7 (80 ratings) — better |
| Positive reviews | — | 72.9% of reviews |
| Number of ratings | — | 80 — better |
| Update frequency | Every 21 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 201 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | Gerinn LLC |
In-app purchases
Smooth Countdown
No in-app purchases
iDays Pro
No in-app purchases
