Comparison

Calculator vs Calculator Zeiv

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

Head to head
About

Calculator

Features
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Designed for frequent calculations, making every input faster and smoother. Entered one wrong digit? There is no need to start over. FastCalc lets you edit an expression directly, insert, delete, or change numbers and operators at any position, and see the result update as you type. EDIT FREELY • Insert, delete, or change any part of an expression • Calculate and display results in real time as you type • Smart input checks help reduce invalid expressions and input errors FASTER INPUT • A larger, more prominent “+” key for repeated calculations • A dedicated “00” key for entering large numbers more efficiently • Start with “.” and the leading zero is added automatically, saving one tap CALCULATION HISTORY • View the current expression and calculation history on the same screen for easy comparison and reuse • Double-tap a history item to use it again • Copy a result, insert it, or replace the current expression • Premium lets you add color tags and notes to important calculations CLEAR DISPLAY • Choose three-digit or four-digit number grouping • Use a comma, space, or underscore as the separator to match different regional number formats • Long expressions remain clear and easy to review or edit CONVENIENT CONTROLS • On supported system versions, open the calculator from Control Center or the Lock Screen • Optionally clear the expression after pressing “=” so you can begin the next calculation immediately PERSONALIZE YOUR EXPERIENCE • Choose from multiple calculator themes • Some themes support both light and dark appearances • Select from several key sounds and spoken feedback options • Refined sound and haptic feedback make every tap feel more responsive PREMIUM Make one lifetime purchase to unlock history colors and notes, every theme and sound option, and other Premium features. FastCalc does more than display an answer. It is designed to make entering, editing, comparing, and reusing calculations more convenient. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://baolesoft.com/privacy/fast-calculator/

About

Calculator Zeiv

Features
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Calculator Zeiv lets you correct any part of a calculation without starting over. Tap or drag to place the cursor, select digits or operators, and tap Equals when you are ready to see the answer. Features: • Edit any digit or operator • Calculate on demand with exact decimal arithmetic • Standard and scientific calculators • Exact fractions with mixed-number results • Seven guided percentage calculations • Twelve searchable unit-conversion categories • Currency conversion with favorites, daily Frankfurter reference rates, and offline caching • Smart parentheses and familiar percentage calculations • Searchable, offline calculation history • Reopen, edit, pin, tag, and add notes to earlier calculations • Copy, share, or export history as text • Indian, international, and device-default number formatting • Automatic or fixed decimal-place display • Multiple themes, button shapes, and System/Light/Dark appearance controls • Full keyboard support on iPad and Mac • VoiceOver and larger-text support • No ads, accounts, analytics, or tracking Your calculations and history stay on your device. Calculator and unit-conversion features work offline. Currency rates are refreshed from Frankfurter when available and cached for offline use. Displayed rates are informational reference values and can differ from financial providers.

Screenshots

Calculator1 screens
Calculator Zeiv3 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator Zeiv at none against Calculator's 3. On price, update cadence, ads 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. Calculator sells 3 in-app purchases, starting at $0.99 per month. Calculator Zeiv asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator ships an update fortnightly, Calculator Zeiv every 4 weeks. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

Scorecard1 real difference · 5 level
Calculator versus Calculator Zeiv: the parameters behind the verdict, then further details
ParameterCalculatorCalculator Zeiv
PriceFreeFree
Update frequencyFortnightly — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size8 MB4 MB
Age rating4+4+
Developer深圳宝乐软件有限公司NIRVANA SOLUTIONS

In-app purchases

3 purchases

Calculator

Subscriptions2
  • 1个月$0.991 Month
  • 1 年$1.991 Year
One-time1
  • 终身会员$2.99
None

Calculator Zeiv

No in-app purchases

Questions

Is Calculator free?
Calculator is free to download, with in-app purchases available.
Is Calculator Zeiv free?
Calculator Zeiv is free to download, with no in-app purchases.
Do Calculator or Calculator Zeiv have ads?
Neither Calculator nor Calculator Zeiv shows ads.
Which is updated more often, Calculator or Calculator Zeiv?
Calculator ships an update fortnightly, and Calculator Zeiv every 4 weeks. Most recently, Calculator was updated on November 3, 2026 and Calculator Zeiv on October 29, 2026.

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