Comparison

Datovka.cz vs Calculator XplusY

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

Head to head
About

Datovka.cz

Manage your Czech Republic data mailboxes on the go. Check mailbox status, read messages, create and send data messages, and forward attachments. It also allows searching for data mailboxes and submitting electronic filings for public administration services.

Highlights
  • Check data mailbox status
  • Read received and sent messages
  • Create and send data messages
  • Forward messages and attachments
  • Export messages
  • Search for data mailboxes
  • Submit electronic filings
Read full description

Pomocí aplikace Datovka.cz můžete kdykoliv zkontrolovat stav vašich datových schránek a přečíst si doručené či odeslané zprávy. Aplikace také umí datové zprávy vytvářet a odesílat. Lze prohlížet externí ZFO, přeposílat celé zprávy či její přílohy emailem, exportovat zprávy, vyhledávat datové schránky. Z aplikace máte možnost odesílat elektronická podání s požadavky na různé služby Portálu veřejné správy či Ministerstva vnitra. Stažené datové zprávy a doručenky jsou trvale uchovány v lokální databázi aplikace. Návod na obsluhu aplikace a video návody jdou dostupné na stránkách projektu Datovka.cz. UPOZORNĚNÍ: * CZ.NIC z.s.p.o. neručí za žádné škody způsobené používáním aplikace. Použití aplikace je na vlastní nebezpečí. * CZ.NIC z.s.p.o. není provozovatelem Informačního systému datových schránek ISDS. * Aplikace neumožňuje přihlašování přes NIA (bankovní identita, eObčanka, mojeID) a to z důvodu absence API a chybějící podpory ze strany provozovatele systému ISDS pro aplikace třetích stran. English info: This application provides access to Integrated Databox System. This system replaces traditional registered letters in Czech Republic. Now available for Your iPhone to take the Databox everywhere You go.

About

Calculator XplusY

Read full description

Calculate faster. Think less. XplusY keeps every formula just one tap away. Create and save your own formulas, design custom buttons, and explore a growing library of predefined calculations across multiple disciplines XplusY uses a simple and powerful logic: “X” is the number you enter before pressing a formula button, and “Y” is the number you enter afterwards. This makes every custom formula easy to understand, predictable, and incredibly fast to use. Key features: - Custom formulas with dynamic input buttons - Reorder buttons freely to create your own layout - Two calculation modes – instant evaluation or step-by-step results - Display formulas during calculations for full transparency - Predefined calculations in finance, engineering, physics, geodesy, conversions, electromobility, and more - Real-time currency conversion with up-to-date exchange rates - Clean, intuitive interface with full Dark and Light mode support - Works offline for core calculations - History log for quick access to previous results - Swipe gesture to delete the last digit or clear input instantly - Customizable design – change button colors, background, and layout to match your style Whether you’re calculating percentages, converting slope values, or working with geodetic coordinates, XplusY lets you work faster and focus on results, not on switching between functions. Download now and redefine how you calculate.

Screenshots

Datovka.cz2 screens
Calculator XplusY4 screens

Verdict

The call

The clearest difference is price: Datovka.cz at Free against Calculator XplusY's $1.99. Calculator XplusY's advantage is update cadence (fortnightly vs every 6 weeks). On ads, in-app purchases, device support 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

Datovka.cz is free to download; Calculator XplusY costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Datovka.cz ships an update every 6 weeks, Calculator XplusY fortnightly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Datovka.cz versus Calculator XplusY: the parameters behind the verdict, then further details
ParameterDatovka.czCalculator XplusY
PriceFree — better$1.99
Rating4.5 (44 ratings) — better—
Positive reviews16.7% of reviews—
Number of ratings44 — better—
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size37 MB18 MB
Age rating4+4+
DeveloperCZ.NIC, z.s.p.o.crea:do s.r.o.

In-app purchases

None

Datovka.cz

No in-app purchases

None

Calculator XplusY

No in-app purchases

Questions

Is Datovka.cz free?
Datovka.cz is free to download, with no in-app purchases.
Is Calculator XplusY free?
Calculator XplusY costs $1.99, with no in-app purchases.
Do Datovka.cz or Calculator XplusY have ads?
Neither Datovka.cz nor Calculator XplusY shows ads.
Which is updated more often, Datovka.cz or Calculator XplusY?
Datovka.cz ships an update every 6 weeks, and Calculator XplusY fortnightly. Most recently, Datovka.cz was updated on November 2, 2026 and Calculator XplusY on October 30, 2026.

Other comparisons