Quickly control your smart home devices and scenes directly from your wrist or home screen. This app offers customizable widgets and complications for seamless access to your HomeKit actions.
3.7(44 ratings)
FreeIn-App Purchases
Best apps like Day Zero - Event Countdown
15+ similar apps compared and reviewed
3.6 avg rating
10 free apps
Updated September 2026
Day Zero is great, but it's not the only option. Explore 15+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.
Top Alternatives to Day Zero
Birthday List by Shuji Fukumoto
Strong Contender
🌟 Lifestyle
2.8😐(5 ratings)
FreeAdsIn-App Purchases
Organize your contacts' birthdays with this app. It highlights upcoming or recent birthdays within a 7-day window, making it easy to remember special dates. Keep track of important celebrations effortlessly.
What We Love
- 👍 Simple and intuitive user interface
- 🆓 Free app with no cost
- 📱 Syncs with existing contact information
- 🖼️ Displays contact photos alongside birthdays
- 📅 Organized monthly birthday list view
- 🎯 Does exactly what it claims to do
- 🎉 Fun shake feature to reveal random birthdays
- ⚡ Lightweight and minimal resource usage
Room to Improve
- 🐛 Crashes on iOS updates and new OS versions
- ❌ Cannot manually add birthdays directly in app
- 🔤 Language/localization issues (Japanese characters)
- 📊 Age calculation displays current age, not upcoming age
- 🚫 Blank cards/display issues on newer iOS versions
- ⚠️ Alphabetical sorting removes chronological birthday view
- 📢 Intrusive ads blocking content
- 🔌 Compatibility issues with newer iPhone models
- ⏰ No reminder or notification system
- 📋 Off-by-one day errors in birthday dates
- 🔍 Confusing initial setup process for new users
- 📱 Poor documentation and unclear instructions
Selve Home by SELVE GmbH & Co. KG
Worth Considering
🌟 Lifestyle
0.0(0 ratings)
Free
More apps like Day Zero
4
AeroFlow
Wärme, wenn's drauf ankommt
Free
Control your electric radiators remotely via a mobile gateway. Create custom heating schedules or adjust temperatures on the go. Share your heating plans across multiple devices for convenient home climate management.
Remote radiator controlHeating schedule creationRemote on/off function
🌟 Lifestyle
(1)
free5
Big Days of Our Life Countdown
Events, Holiday, Vacation,…
Free
Track upcoming events, holidays, and vacations with a precise countdown timer. Personalize your countdowns with custom visuals and set multiple alerts. Share your anticipation with friends and family.
Comprehensive event trackingPrecise countdown to secondsCustomizable visuals
🌟 Lifestyle
(9)
free with in-app purchases6
PicturePeople
by PicturePeople GmbH & Co. KG
Free
This loyalty app lets you earn points for various activities like uploading receipts or referring friends. Redeem these points for exclusive vouchers, gifts, and discounts. Stay informed about special promotions with notifications.
Digital bonus programEarn points for activitiesRedeem points for vouchers
🌟 Lifestyle
(4)
ad-supported7
Schwaiger Satfinder
by Schwaiger GmbH
Free
This app enhances a satellite finder device by displaying signal strength, quality, and additional measurement values directly on your smartphone. It allows for easy satellite and transponder selection, customization, and even an emulation mode for antenna setup.
Direct signal and quality displayAdditional measurement values (C/N, level)Adjustable satellite positions
🌟 Lifestyle
(1)
free8
Roman Dates
Your dates in roman numerals
Free
Easily convert important dates into Roman numerals for special occasions like tattoos or anniversaries. The app automatically attempts to detect the correct date order.
Date to Roman numeral conversionAutomatic date order detectionIdeal for tattoos and anniversaries
🌟 Lifestyle
(1.4K)
free with in-app purchases9
ECLIPSE CROSS PHEV Remote Ctrl
MITSUBISHI Remote Control
Free
Control your Mitsubishi Eclipse Cross PHEV remotely via your phone. Schedule charging, pre-condition the cabin temperature, and check vehicle status. This app connects exclusively through Wireless LAN.
Schedule chargingPre-heat/cool cabinSet charging timers
🌟 Lifestyle
(2)
free10
Anniversary Reminder
by aill, k.k. (JP)
Free
Never miss important dates again! This app helps you manage and receive advance notifications for upcoming birthdays and anniversaries. It can track yearly events as well as specific day milestones like 100 or 1000 days from an event.
Manages upcoming birthdays and anniversariesProvides advance remindersTracks yearly and specific day milestones (e.g., 100 days)
🌟 Lifestyle
(2)
free with in-app purchases