DaysRing is made and published by Kentaro Shirai. AppBrain is an independent app data site and isn't affiliated with Kentaro Shirai. The app name, icon, screenshots and description belong to Kentaro Shirai and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- August 5, 2026
Rankings
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Releases
Updates seen on the App Store- Version
- 1.0.8
- Launched
- April 2026
No changelog data
User feedback
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 1.83 MB
- Content rating
- Everyone
Technologies used by DaysRing
About the app and developer
About DaysRing
DaysRing is an utilities app developed by Kentaro Shirai.
User Ratings
The app has no ratings yet.
App Information
DaysRing is freely available from the App Store. The app size is 1.83 MB. The latest version available is 1.0.8. The last update was on August 5, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since April 2026.
Developer information for Kentaro Shirai
Address:
Frequently asked questions about DaysRing
Is DaysRing free?
Yes. DaysRing is free on the App Store.
Is DaysRing still available?
Yes. DaysRing is on the App Store, and the last update we saw was on August 5, 2026.
How large is DaysRing?
DaysRing is 1.83 MB.
Is DaysRing suitable for children?
App Store rates the content of DaysRing as suitable for everyone.
Who made DaysRing?
DaysRing was developed by Kentaro Shirai. It is listed in the utilities category on the App Store.
What are the best alternatives to DaysRing?
People looking at DaysRing also look at these utilities apps: SkyChrono, Countdown Calendar: TimeFeel, Tether: Parking Timer Location, Lightweight Clock, 割合計算機.
Store listing
By Kentaro Shirai, from the App Store
Description by Kentaro Shirai Written by the developer, not by AppBrain. Click to read.
"Already 70% through the month, but only used half your mobile data?"
"How far along is the pay cycle — what percentage?"
"How much time until your AI usage resets?"
DaysRing answers these questions instantly with percentages and countdowns.
FEATURES
▸ 4 Cycle Types
Daily, weekly, monthly, and one-time (countdown). Set your own reset day, date, and time.
▸ Real-Time Updates
Progress percentage, elapsed time, and remaining time update every second.
▸ Numeric Mode
Display concrete values like "3,421 MB remaining" or "$12.50 spent" instead of just percentages.
▸ What-If Simulation
Drag a slider to see "What will my progress be in 12 hours?" — perfect for planning when to use limited resources.
▸ Widgets
Home Screen (Small, Medium, Large), Lock Screen, and StandBy support. Four widget types available. Long-press the Small widget to choose which tracker to display.
▸ Reset Notifications
Get notified at reset time, or 1–3 hours before. Never miss a cycle boundary again.
▸ Multiple Trackers
Create as many trackers as you need. Set one as "Main" for prominent display on your Home Screen and widgets.
▸ Multilingual
Supports English, Japanese, Chinese (Simplified), French, and Spanish.
PERFECT FOR
• Managing monthly mobile data usage pace
• Counting down to payday or deadlines
• Tracking AI service usage resets
• Monitoring API credits and cloud resources
• Keeping tabs on daily or weekly routines
PREMIUM
All core features are free. Premium (one-time purchase) unlocks custom colors and custom icons for each tracker.