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Calendarium - About this Day

Piotr Knapczyk
App Store·ReferenceFree★ 4.69 (2,241)launched 14.7y agoapp updated 6.3y ago
Scout Score
9

Calendarium - About this Day generates an estimated $0/month in revenue from 100–800 downloads/month on the App Store, according to AppCurrents estimates (updated 2026-08-02).

Estimates updated 02.08.2026 · How we estimate · Ranges reflect model confidence, not exact figures.
Est. revenue / month$0
Est. downloads / month100–800
Estimate confidencehigh
PricingFree
Rating4.69 ★ (2,241 ratings)
CategoryReference
Released29.11.2011
App last updated04.04.2020
PlatformiOS
Est. downloads / mo
100–800
Est. revenue / mo
$0
Rating velocity / day
0
Chart velocity
—
Peak rank
—
Days tracked
—

Modeled monthly estimate · rating velocity · high confidence

About

Calendarium is new, easy to use calendar which gives you a new way to discover many interesting things about this day. Calendarium combines calendar of historical events with times of sunrise/sunset, number of week, day, day length, moon phase and more. –– What our users think –– " Fascinating!" – Snaarl "It is a great way to see the history of the day. I always learn something new." -…

View on the App Store →

Trends & analysis

Chart rank trend

US · overall
Collecting rank history — no snapshots so far. Fills in twice daily.

Why it's surfacing

Scout 9
Newness
3
Momentum
1
Breakout
0

Ratings & velocity

★ 0 in window
Total ratings
2k2k
Jun 21Jul 27
New ratings / day
10
Jul 2Jul 27

Rating distribution

94% positive · 2k ratings
5★
78%
4★
16%
3★
4%
2★
1%
1★
1%

Geographic reach

best rank · 0 storefronts
Collecting storefront coverage — no snapshots so far. Fills in twice daily.

Revenue & downloads trend

ARPU $0
Est. revenue / mo · $0
$0
Jun 21Jul 27
Est. downloads / mo · 396
2k396
Jun 21Jul 27

Update history

1 update tracked
  • v1.8.46.3y ago

    - Fixed issue with Today widget background Color

Calendarium - About this Day — FAQ

How many downloads does Calendarium - About this Day get?

Calendarium - About this Day sees an estimated 100–800 downloads per month on the App Store, per AppCurrents modeling.

Is Calendarium - About this Day free?

Calendarium - About this Day is free to download on the App Store, with no in-app purchases detected.

What is Calendarium - About this Day's rating?

Calendarium - About this Day holds a 4.69-star average from 2,241 ratings on the App Store.

When was Calendarium - About this Day released?

Calendarium - About this Day launched on the App Store on 29.11.2011. Its latest version shipped 04.04.2020.

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