Comparison

ZLev App vs Week Number Pro

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

Head to head
About

ZLev App

This app provides a central hub for quality assurance of medicines and pharmacy-related products. It offers independent test reports, research on various substances, and educational resources for professionals.

Highlights
  • Independent test reports
  • Research on drugs and materials
  • Educational activities
  • News updates
  • PDF downloads
  • Professional hotline
Features
Read full description

Das Zentrallaboratorium Deutscher Apotheker e.V. ist Partner für alle Qualitätsfragen von Arzneimitteln und apothekenüblichen Waren. Der Satzungszweck wird insbesondere verwirklicht durch Erstellen von: unabhängigen Prüfberichten für beanstandete Arzneimittel, Ausgangsstoffe und Verpackungsmaterialien, die im Auftrag der AMK eingereicht werden. Mitwirken von: bei der Erarbeitung und Weiterentwicklung von allgemein anerkannten Regeln der pharmazeutischen Wissenschaften (BAK-Leitlinien) Untersuchungen von: Drogen, Chemikalien, galenischen Zubereitungen und Verpackungsmaterialien, z.B. im Auftrag von Apotheken oder im Rahmen einer institutionalisierten Vorprüfung von Arzneimitteln und Ausgangsstoffen für Apotheken im Auftrag des Herstellers, Arzneimitteln oder Ausgangsstoffen für Arzneimittel, die gegenüber den Arzneimittelkommissionen der Heilberufe oder direkt gegenüber dem Zentrallaboratorium Deutscher Apotheker beanstandet worden sind, Arzneimitteln, Ausgangsstoffen und apothekenüblichen Waren aufgrund von Aufträgen von Apothekern, Ärzten, Behörden, pharmazeutischen Unternehmen oder anderen nationalen oder internationalen Institutionen, Einzel- und Reihenuntersuchungen zur pharmazeutischen Qualität, an ausgewählten Arzneimitteln und/oder Arzneimittelgruppen im Benehmen mit der Bundesapothekerkammer und/oder den Arzneimittelkommissionen der Heilberufe, pflanzlichen Zubereitungen, Nahrungsergänzungsmitteln, diätetischen Lebensmitteln und Veröffentlichungen über deren Wirkungen etc. Beschaffung von: Arzneimitteln aus unterschiedlichen Vertriebskanälen für vergleichende Untersuchungen Prüfung von: Rausch- und Suchtmittel Durchführung von: Fort- und Weiterbildungsaktivitäten im Einvernehmen mit der Bundesapothekerkammer und den Apothekerkammern der Länder, Service für: Hotline für Fachkreise für allgemeine Fragen zu Arzneimitteln Aktuelle Features der App: - News - Portal - Homepage - PDF Download - Über uns

About

Week Number Pro

Instantly see the current week number on your iPhone Lock Screen, Apple Watch face, or home screen. Quickly find dates for any week or date, and integrate with Siri Shortcuts for automated tasks. Designed for privacy with offline functionality.

Highlights
  • Lock Screen widgets
  • Apple Watch complications
  • Home Screen widgets
  • Week and date search
  • Siri Shortcuts integration
  • Customizable week start day
  • Offline functionality
Features
Read full description

What week is it? Week Number Pro puts the current calendar week where you look dozens of times a day: on your iPhone Lock Screen and on your Apple Watch face. No need to open a calendar. LOCK SCREEN WIDGETS - Inline widget right next to the date above the clock - Circular widget with a progress ring showing how far the week has gone - Rectangular widget with week number and date - Choose between "Classic" with week progress and "Text-based" - Looks great in StandBy mode, too APPLE WATCH COMPLICATIONS & SMART STACK - Complications for modern watch faces: circular, corner, rectangular and inline - Smart Stack widget, one turn of the Digital Crown away - Watch app with the current week, date and week range - Settings sync automatically from your iPhone HOME SCREEN WIDGETS - Small, medium and large, plus extra large on iPad WEEK SEARCH - Which week is 3 March? Which dates belong to week 17? - Pick a week, a week range or a date and the rest follows instantly SIRI & SHORTCUTS - "Current calendar week from Week Number" - Ask for the week of any date, or when the current week starts and ends - Use the results in your own Shortcuts automations DAILY REMINDER - Optional notification at a time of your choice with the current week, date and week range YOUR WEEK, YOUR RULES - Week numbers according to ISO 8601 - Choose any day as the first day of the week PRIVATE BY DESIGN - Works without an internet connection - No account, no ads, no analytics, no tracking. No data is sent or received. - Supports VoiceOver, Larger Text and Dark Mode

Screenshots

ZLev App4 screens
Week Number Pro4 screens

Verdict

The call

The clearest difference is price: ZLev App at Free against Week Number Pro's $0.99. ZLev App also leads on review sentiment (100% vs 76%) and iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases 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

ZLev App is free to download; Week Number Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
ZLev App versus Week Number Pro: the parameters behind the verdict, then further details
ParameterZLev AppWeek Number Pro
PriceFree — better$0.99
Rating—3.5 (4 ratings) — better
Positive reviews100.0% of reviews — better76.5% of reviews
Number of ratings—4 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size39 MB3 MB
Age rating17+4+
DeveloperZentrallaboratorium Deutscher Apotheker e.V.Daniel Mensch

Customer experience

ZLev App

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Week Number Pro

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews17 reviews
Positive76.5%
Neutral5.9%
Negative17.6%

In-app purchases

None

ZLev App

No in-app purchases

None

Week Number Pro

No in-app purchases

Questions

Is ZLev App free?
ZLev App is free to download, with no in-app purchases.
Is Week Number Pro free?
Week Number Pro costs $0.99, with no in-app purchases.
Do ZLev App or Week Number Pro have ads?
Neither ZLev App nor Week Number Pro shows ads.
Which is updated more often, ZLev App or Week Number Pro?
ZLev App ships an update every 2 months, and Week Number Pro every 2 months. Most recently, ZLev App was updated on November 2, 2026 and Week Number Pro on November 3, 2026.

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