One Day vs Clock Stamp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Day
This app helps you plan and remember daily tasks with simple reminders. Set custom alerts for health, family, exercise, and more with a variety of icons. Stay organized and ensure you never miss an important activity.
- Easy reminder setup
- Morning, noon, evening scheduling
- Over 50 event icons
- Health and medication reminders
- Childcare task reminders
- Exercise and fitness alerts
- Daily prayer reminders
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Do you have too many things to do, but often forget?Here, we bring you a multi-functional APP that can help you plan daily routine works. You can use it to take care of your health or your new born baby. It can remind your daily life in a simple way. Features: 1. Just a few tap to complete the reminder. 2. You can choose morning, noon or evening. 3. More than 50 event icons for selection. 4. Remind to drink water,coffee,or soda. 5. Remind medication or blood pressure, etc., healthy life record. 6. Remind taking care of children to drink milk, change diapers, read, play, etc. 7. Remind you to exercise and fitness time, whether yoga, swimming or running. 8. Daily prayer of your faith How to use: 1. Entry the name of your plan. 2. Set the time(morning,noon,evening). 3. Click the amount or time. 4. Choose your unit. 5. Choose your icon. 6. Add your plan. 7. It will send a notification when time is up. 8. Click the task to turn on or turn off the reminder. 9. Long press the to delete the task. If you need more icons or requirements, please leave a message to us, thank you.
Clock Stamp
This app displays multiple city time zones on a single, elegant clock face. It provides visual context for day, night, and weather in each location, aiding in travel planning and international communication.
- Multiple city time zones
- Visual analog world clock
- Local time difference display
- Weather and day/night context
- 12-hour and 24-hour modes
- Light and dark appearance
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Clock Stamp makes world time easy to read. See the time in several cities at once on one elegant dial, and check time differences, whether it's day or night, and the local weather at a glance. • Dial: every city sits on the dial, so time differences and daylight are clear at a glance • City search: search Apple Maps for cities and towns worldwide, and add as many as you like • Local Time: follows your location, or uses your phone's time zone • Weather: local weather at a glance, with backgrounds and weather effects that follow each city's time and weather • iPhone Duo: controls within reach of your thumb on both displays, and a live map of Earth showing day and night when it's open • 12/24-hour dial, Light/Dark appearance, Celsius/Fahrenheit, two text sizes • Six languages: English, 简体中文, Français, Italiano, 日本語, 한국어 • Supports VoiceOver and Reduce Motion Made for working across borders, remote meetings, planning trips, studying abroad, and keeping in touch with friends and family in other time zones.
Screenshots
Verdict
The clearest difference is rating: Clock Stamp at 5.0 against One Day's 4.5. Clock Stamp also leads on update cadence (every 2 days vs every 5 days). One Day's advantage is iOS requirement (13.0 vs 26.2). 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.
Clock Stamp holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
One Day ships an update every 5 days, Clock Stamp every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | One Day | Clock Stamp |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 5 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 10 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | NANOMAG | Zhicheng Chen |
Customer experience
One Day
Clock Stamp
In-app purchases
One Day
No in-app purchases
Clock Stamp
No in-app purchases









