Comparison

How many days since that day? vs Day Counter

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

How many days since that day?

Habit Tracker

About

How many days since that day?

Features

Read full description

The birthday or anniversary of your beloved pet. You can check how many days have passed since such a date.

About

Day Counter

Features

Read full description

Count your days and trace your past! - Privacy Policy https://yukimiyamoto-project.github.io/app-legal/privacy.html - Terms of Service https://yukimiyamoto-project.github.io/app-legal/terms.html

Screenshots

How many days since that day?2 screens

Day Counter3 screens

Verdict

The call

The clearest difference is in-app purchases: How many days since that day? at none against Day Counter's 1. How many days since that day? also leads on ads (none vs shown) and iOS requirement (16.0 vs 18.0). Day Counter's advantage is update cadence (weekly vs fortnightly). On price and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Day Counter sells 1 in-app purchase, starting at $2.99 per month. How many days since that day? asks for nothing beyond the download.

UpkeepUpdate frequency

How many days since that day? ships an update fortnightly, Day Counter weekly. The most recent releases landed on September 13, 2026 and September 7, 2026 respectively.

Scorecard4 real differences · 2 level

How many days since that day? versus Day Counter: the parameters behind the verdict, then further details
Parameter	How many days since that day?	Day Counter
Price	Free	Free
Update frequency	Fortnightly	Weekly — better
Ads	No — better	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPad	iPhone, iPad
Requires iOS	16.0 — better	18.0
Further details — not scored
Size	19 MB	5 MB
Age rating	4+	4+
Developer	Sasai Hiroki	Yuki Miyamoto

In-app purchases

None

How many days since that day?

No in-app purchases

1 purchases

Day Counter

Subscriptions1

Pro$2.991 Month

Questions

Is How many days since that day? free?

How many days since that day? is free to download, with no in-app purchases.

Is Day Counter free?

Day Counter is free to download, with in-app purchases available.

Do How many days since that day? or Day Counter have ads?

Day Counter shows ads; How many days since that day? does not.

Which is updated more often, How many days since that day? or Day Counter?

How many days since that day? ships an update fortnightly, and Day Counter weekly. Most recently, How many days since that day? was updated on September 13, 2026 and Day Counter on September 7, 2026.