Diem: On This Day in History

Name: Diem: On This Day in History
Author: PhDService

LivePhDService2 apps · 935 installsEducationFreeIn-app purchases: $0.99 - $22.99 per itemcom.phdservice.onthisday

Real events, no wars, no bad news. Every day.

Alert me ★ Watch Open in Play ↗

Total installs: 753
Installs / day: 0
Rating: —★
Released: 9 Aug 2026
Last update: 9 Aug 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
Collects data Financial info and Device or other IDs
Data is encrypted in transit
You can ask for your data to be deleted

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

12 in 3 groups

5 Sensitive2 Notable5 Routine

What this app can do with your phone

Read photos, videos, and other files saved in your phone's shared storage
Add, change or delete photos, videos and other files in your phone's storage
Show its own windows or bubbles on top of other apps you are using

Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

StorageSensitive2

Access to files, photos and media saved on your phone's storage

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

OtherSensitive8

Access to miscellaneous device features that don't fit other categories

Show its own windows or bubbles on top of other apps you are usingdraw over other apps · SYSTEM_ALERT_WINDOW
Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Make your phone vibratecontrol vibration · VIBRATE
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description

Every day brings something new to discover from history — but not the version you're used to. Diem shows you one uplifting, verified event that happened on today's date: a discovery, an act of peace, a cultural milestone, a sporting triumph. No wars. No disasters. No headlines designed to make you anxious. Just the parts of the human story worth remembering. WHAT YOU GET - A new event every day, with a short summary and a "read more" that goes deeper into why it mattered - Browse the full calendar — every day of the year, all 366 days covered - Over 1,100 real historical events across science, discovery, peace, culture, exploration, humanity, and sport - A daily quiz built from real events — one wrong answer ends the run, how far can you go? - Save your favorite events to revisit anytime - Track your progress: build a streak, unlock badges, watch your collection grow - Light and dark themes, completely free - Optional daily reminder, so you never miss today's story WHY DIEM Most "on this day" content mixes in wars, assassinations, and disasters alongside anything else that happened to occur on a given date. Diem is different: every entry is chosen and written to leave you a little more curious about the world, not more anxious about it. It's history as a small, reliable good habit — thirty seconds a day that might make you smarter, calmer, or just a bit more interesting at dinner. Diem works fully offline. No account required. No ads. DIEM PRO Unlock the full calendar going back through the entire year, unlimited quiz play, and custom accent colors. A one-time purchase or subscription — your choice. Made with care by PhDService.

What's new

The bright side of the history is HERE! Diem now leads with the bright side of history — discovery, peace, culture, and sport. No wars, no bad news. Progress screen tracks your streak, discovered events, and category breakdown. Daily Quiz — one wrong answer ends the run, how far can you go? Browse any date with the new Calendar. Unlock theme colors like Amethyst and Gold by building streaks and favoriting events.

Growing in Education

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