Comparison

Visual Math 4D vs Time to Tell Time

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

Head to head
About

Visual Math 4D

Visualize and solve complex mathematical equations in 2D and 3D. Supports various equation types, vector fields, and animated variables. Ideal for students and engineers needing a powerful graphical calculator.

Highlights
  • Visualize 2D and 3D equations
  • Plot and animate vector fields
  • Support for polar, spherical, and parametric equations
  • Complex function plotting
  • Animate variables
  • Offline functionality
Features
Read full description

Visual Math 4D is a graphical calculator that allows you to visualize and solve your mathematical equations. It supports various types of equations, such as polar, spherical, parametric and implicit equations, which can be visualized and animated in 2D and 3D. You can also plot and animate vector fields in 2D and 3D. Features: - solve equations - plot cartesian functions with intersections - plot polar- and spherical functions - plot parametric equations in 2D and 3D - plot complex functions (draw real part & imaginary part) - plot vector fields in 2D and 3D - plot implicit equations in 2D and 3D - plot contour maps ins 2D and 3D - support for complex numbers - vectors & matrices - truth- and value tables - trigonometrical and hyperbolic functions - piecewise-defined functions - logarithmic functions - logical & binary operators - definite integral - n-th derivations - statistical functions (nPr, nCr, rand..) - physical and mathematical constants with their units - animate variables - share content with other apps - no network connection required - and a lot more The app is easy to use and helps students and engineers to visualize and solve their mathematical equations.

About

Time to Tell Time

Embark on a quest to save the Analog kingdom by mastering the art of telling time. Navigate ancient clock towers and use your skills to fight back against the Digitals.

Highlights
  • Master analog clock towers
  • Learn to tell time accurately
  • Engaging kingdom-saving narrative
  • Fight back against digital invaders
  • Educational gameplay
Features
Read full description

The Digitals have almost crushed the Analog kingdom, and you are their last hope. If you can master the ancient clock towers and tell time correctly, you might be able to turn the tide and fight back.

Screenshots

Visual Math 4D4 screens
Time to Tell Time4 screens

Verdict

The call

The clearest difference is price: Time to Tell Time at Free against Visual Math 4D's $1.99. Visual Math 4D's advantage is rating (4.6 vs 3.0) and ratings volume (873 vs 3). On ads, in-app purchases, monetization model 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

Time to Tell Time is free to download; Visual Math 4D costs $1.99 up front. Visual Math 4D sells 3 one-off in-app purchases and Time to Tell Time sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Visual Math 4D holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Visual Math 4D has 873 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Visual Math 4D ships an update every 3 months, Time to Tell Time every 16 months. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
Visual Math 4D versus Time to Tell Time: the parameters behind the verdict, then further details
ParameterVisual Math 4DTime to Tell Time
Price$1.99Free — better
Rating4.6 (873 ratings) — better3.0 (3 ratings)
Positive reviews76.1% of reviews—
Number of ratings873 — better3
Update frequencyEvery 3 months — betterEvery 16 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better13.0
Further details — not scored
Size112 MB172 MB
Age rating4+9+
DeveloperRonny WeidemannAndulf Games

Customer experience

Visual Math 4D

All ratings873 ratings
Positive91.6%
Neutral4.2%
Negative4.1%
Written reviews92 reviews
Positive76.1%
Neutral6.5%
Negative17.4%

Time to Tell Time

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%

Bugs and requests

Visual Math 4D

Reported bugs

4 issues
  • App crashes on opening
  • Incorrect graph plotting of planes
  • Scaling issues with 2D vector fields
  • Calculator not functioning

Requested features

8 requests
  • Save button/menu to save equations
  • Complex function plotting
  • Slope field option for differential equations
  • Unit vector scaling for 2D vector fields
  • Undo button
Show 3 more
  • Ability to add custom functions
  • Ability to combine and scale multiple graphs
  • Instructions and documentation

Time to Tell Time

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Visual Math 4D

One-time3
  • Coffee$0.99
  • Cappuccino$1.99
  • Sandwich$4.99
1 purchases

Time to Tell Time

One-time1
  • Full Version$4.99

Questions

Is Visual Math 4D free?
Visual Math 4D costs $1.99, and also offers in-app purchases.
Is Time to Tell Time free?
Time to Tell Time is free to download, with in-app purchases available.
Which has better reviews, Visual Math 4D or Time to Tell Time?
Visual Math 4D is rated higher. Visual Math 4D averages 4.6 out of 5 from 873 ratings, while Time to Tell Time averages 3.0 from 3 ratings.
Do Visual Math 4D or Time to Tell Time have ads?
Neither Visual Math 4D nor Time to Tell Time shows ads.
Which is updated more often, Visual Math 4D or Time to Tell Time?
Visual Math 4D ships an update every 3 months, and Time to Tell Time every 16 months. Most recently, Visual Math 4D was updated on October 19, 2026 and Time to Tell Time on October 12, 2026.

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