Comparison

DateTimeWiz vs Whenlyy

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

Head to head

About

DateTimeWiz

Read full description

DateTimeWiz is your smart assistant for fast and flexible date & time calculations. Simple to use, globally adaptable, and supporting regional calendar systems. Available in: English, Simplified Chinese, French, German, Hebrew, Italian, Japanese, Portuguese, and Arabic.

About

Whenlyy

Features

Read full description

It is an application where you can see how many years, months, weeks, days or minutes are left or how much time has passed since this date, where you can set a notification for each date, and where you can see these dates as widgets.

Screenshots

DateTimeWiz3 screens

Whenlyy4 screens

Verdict

The call

The clearest difference is price: Whenlyy at Free against DateTimeWiz's $0.99. Whenlyy also leads on update cadence (every 4 months vs every 32 months). DateTimeWiz's advantage is in-app purchases (none vs 1) and device support (4 vs 1). On ads and iOS requirement 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

Whenlyy is free to download; DateTimeWiz costs $0.99 up front. Whenlyy sells 1 one-off in-app purchase. DateTimeWiz asks for nothing beyond the download.

UpkeepUpdate frequency

DateTimeWiz ships an update every 32 months, Whenlyy every 4 months. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 2 level

DateTimeWiz versus Whenlyy: the parameters behind the verdict, then further details
Parameter	DateTimeWiz	Whenlyy
Price	$0.99	Free — better
Update frequency	Every 32 months	Every 4 months — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod, Mac — better	iPhone
Requires iOS	15.5 — better	16.6
Further details — not scored
Size	1 MB	5 MB
Age rating	4+	4+
Developer	Wilfried Bernard	Erkmen Ergul

In-app purchases

None

DateTimeWiz

No in-app purchases

1 purchases

Whenlyy

One-time1

Whenly Premium$1.79

Questions

Is DateTimeWiz free?

DateTimeWiz costs $0.99, with no in-app purchases.

Is Whenlyy free?

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

Do DateTimeWiz or Whenlyy have ads?

Neither DateTimeWiz nor Whenlyy shows ads.

Which is updated more often, DateTimeWiz or Whenlyy?

DateTimeWiz ships an update every 32 months, and Whenlyy every 4 months. Most recently, DateTimeWiz was updated on October 2, 2026 and Whenlyy on October 7, 2026.