Comparison

Date T Calc vs MathDown

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

Head to head
About

Date T Calc

Easily calculate future and past dates by adding or subtracting days, hours, and minutes. Determine the exact difference between two selected dates, with options for date-only or date-and-time calculations.

Highlights
  • Calculate future and past dates
  • Determine date differences
  • Operate in date-only or date-time modes
  • Add/subtract date intervals
  • Consider Daylight Saving Time
  • Supports 12/24 hour format
  • Internal help guide
Features
Read full description

Date T Calc can calculate future and past dates adding days, hours and minutes to a specified date. It can also calculate date difference between two dates you select. EASY TO USE • Add a date/time interval to a specific date guessing the future/past date • Calculate the difference from 2 dates • Operate in date only mode (calculating only days) or also considering hours and minutes • Add from a selected date a specified amount of days in a click • Switch at any time from guess date to date difference in a click • Can add or subtract date going in the future or in the past FEATURES • Operate in Date Guess mode guessing a date after adding days/hours/minutes • Operates in Date Difference mode selecting 2 date and indicating the difference • Operates in Date Mode (only days) or Date Time Mode, working with days, hours and minutes • Can switch at any time from Date Only Mode to Date Time Mode • Can add or subtract date intervals • Can guess future and paste date • Has a preset amount off days, hours ,minutes to add in a touch • Now button to set the current date in a click • Calculation consider also Daylight Saving Time when necessary • Date and time is displayed in your local country setting using 12 or 24 hour format • Internal Help User Guide ALL THE POWER OF iOS • Works both for any iPhone and any iPAD • Optimized for the latest generation iOS devices

About

MathDown

Create markdown documents with live LaTeX math rendering. Define variables and functions, and enjoy automatic algebraic simplification for beautifully typeset equations. Perfect for math notes, homework, and tutorials.

Highlights
  • Live LaTeX math rendering
  • Define and reuse variables
  • Create and evaluate functions
  • Automatic algebraic simplification
  • Full LaTeX support
Features
Read full description

Pay once, use forever. No subscriptions! Write markdown documents with live LaTeX math rendering. Expressions inside $ and $$ blocks are automatically parsed, evaluated, and displayed as beautifully typeset equations. • Define variables and reuse them across your document • Create functions like let f(x) = x^2 and evaluate them • Automatic algebraic simplification combines like terms • Full LaTeX support: fractions, roots, subscripts, superscripts Perfect for math notes, homework, tutorials, or any document where you want calculations that update as you type.

Screenshots

Date T Calc4 screens
MathDown4 screens

Verdict

The call

The clearest difference is price: Date T Calc at $0.99 against MathDown's $9.99. Date T Calc also leads on iOS requirement (12.0 vs 26.0). MathDown's advantage is update cadence (every 3 weeks vs every 17 months). On review sentiment, ads, in-app purchases and monetization model 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

Date T Calc costs $0.99 and MathDown $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Date T Calc ships an update every 17 months, MathDown every 3 weeks. The most recent releases landed on August 21, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 7 level
Date T Calc versus MathDown: the parameters behind the verdict, then further details
ParameterDate T CalcMathDown
Price$0.99 — better$9.99
Rating4.0 (1 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 17 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS12.0 — better26.0
Further details — not scored
Size1 MB13 MB
Age rating4+4+
DeveloperRoberto PanettaMilestone Made, LLC

Customer experience

Date T Calc

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

MathDown

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Date T Calc

No in-app purchases

None

MathDown

No in-app purchases

Questions

Is Date T Calc free?
Date T Calc costs $0.99, with no in-app purchases.
Is MathDown free?
MathDown costs $9.99, with no in-app purchases.
Do Date T Calc or MathDown have ads?
Neither Date T Calc nor MathDown shows ads.
Which is updated more often, Date T Calc or MathDown?
Date T Calc ships an update every 17 months, and MathDown every 3 weeks. Most recently, Date T Calc was updated on August 21, 2026 and MathDown on September 9, 2026.

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