Comparison

Tempus Calc vs Date Calculator

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

Head to head
About

Tempus Calc

Features
Read full description

FEATURES DURATION CALCULATOR • Calculate the exact time between any two dates • See results in years, months, and total days • Perfect for age calculations, anniversary tracking, and project timelines • Instant results as you select dates ADD/SUBTRACT DAYS • Find future dates by adding days • Calculate past dates by subtracting days • Support for negative values up to 100 years • Ideal for deadline planning and scheduling SAVED CALCULATIONS • Save frequently used calculations for quick access • Search and filter your saved items • Swipe to delete individual calculations • Clear all with confirmation protection • Perfect for recurring date calculations BEAUTIFUL DESIGN • Elegant, modern interface • Full Dark Mode support • Smooth animations and haptic feedback • Color-coded results for clarity • Optimized for all iPhone sizes PERFECT FOR • Project Managers - Track milestones and deadlines • Event Planners - Calculate dates for weddings, parties, conferences • Business Professionals - Plan delivery dates and schedules • Students - Track assignment due dates and semester planning • Travelers - Plan trips and calculate vacation lengths • Parents - Track child development milestones • Anyone who works with dates regularly WHY CHOOSE TEMPUS CALC? PRIVACY FIRST All calculations are stored locally on your device. No data collection, no tracking, no cloud sync required. Your dates are yours alone. LIGHTNING FAST Calculations happen instantly as you interact. No waiting, no loading screens. Just immediate results. OFFLINE CAPABLE Works perfectly without internet connection. Calculate dates anywhere, anytime. NO ADS Focus on your calculations without distractions. No advertisements, ever. HOW IT WORKS Duration Mode: 1. Select a start date 2. Select an end date 3. See instant results in multiple formats 4. Save for later if needed Add Days Mode: 1. Choose a starting date 2. Enter number of days (positive or negative) 3. See the resulting date immediately 4. Save your calculation for future reference

About

Date Calculator

Easily calculate the duration between two dates, with options for minute-level precision. Customize themes and languages for a personalized experience. Enjoy local calculations without needing an account.

Highlights
  • Calculate days between dates
  • Optional time selection for minute precision
  • Clean, native iOS design
  • Theme and language settings
  • Local calculation without account
Features
Read full description

DateMath helps you quickly calculate the time between two dates. Choose a start date and an end date to see the number of days between them. When you need more precision, turn on Show Time to select hours and minutes and view the interval as days, hours, and minutes. Key Features: • Calculate days between two dates • Optional time selection for minute-level results • Clean, native iOS design • Theme and language settings • Local calculation without an account Premium access unlocks unlimited calculations, continued updates, and an ad-free experience. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Tempus Calc4 screens
Date Calculator3 screens

Verdict

The call

The clearest difference is in-app purchases: Tempus Calc at none against Date Calculator's 4. 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. Date Calculator sells 4 in-app purchases, starting at $3.99 per 7 days. Tempus Calc asks for nothing beyond the download.

UpkeepUpdate frequency

Tempus Calc ships an update every 8 days, Date Calculator every 9 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 9 level
Tempus Calc versus Date Calculator: the parameters behind the verdict, then further details
ParameterTempus CalcDate Calculator
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 8 days — betterEvery 9 days
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone
Requires iOS18.017.3 — better
Further details — not scored
Size3 MB4 MB
Age rating4+4+
Developerommar alquisi亦彬 潘

In-app purchases

None

Tempus Calc

No in-app purchases

4 purchases

Date Calculator

Subscriptions3
  • Weekly Subscription3 Days trial$3.997 Days
  • Monthly Subscription$4.991 Month
  • Yearly Subscription$19.991 Year
One-time1
  • Lifetime Premium$29.99

Questions

Is Tempus Calc free?
Tempus Calc is free to download, with no in-app purchases.
Is Date Calculator free?
Date Calculator is free to download, with in-app purchases available.
Do Tempus Calc or Date Calculator have ads?
Neither Tempus Calc nor Date Calculator shows ads.
Which is updated more often, Tempus Calc or Date Calculator?
Tempus Calc ships an update every 8 days, and Date Calculator every 9 days. Most recently, Tempus Calc was updated on October 7, 2026 and Date Calculator on October 8, 2026.

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