Comparison

Vector Calculator Plus vs HTMLKit

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

Head to head
About

Vector Calculator Plus

This app simplifies vector addition for students and educators. It allows for quick calculations of multiple vectors, visualizing the results with generated graphs. Users can customize graph elements and save images for later use.

Highlights
  • Instant vector calculation
  • Add multiple vectors by x, y, magnitude, or angle
  • Generate vector images
  • Save vector images to camera roll
  • Customize graph display options
  • Set background color for graphs
Features
Read full description

Vector Calculator is math calculator to find vector addition fast and easy. Vector Calculator give operation of adding two or more vectors together into a vector sum. The parallelogram law gives the rule for vector addition of two or more vectors. Features: • Instant vector calculation. • Add multiple vector by x, y, magnitude or angle. • Vector Image is generated upon calculation. • Save Vector Image into camera roll. • Option to show/hide Grid, Indicator, Label, Vector Label or Magnitude Label for Vector Graph. • Option to enable/disable Background for Vector Graph. • Option to set Background Colour for Vector Graph. A Vector has magnitude [size] and direction. No matter which order you add them, you will get the same result. Magnitude of a Vector: The magnitude of a vector is shown by two vertical bars on either side of the vector |a| Adding Vectors: Vectors can add by adding the x parts and adding the y parts: Example: add the vectors a = (2,3) and b = (4,5) |a+b| = |a| + |b| |a+b| = (2,3) + (4,5) = (2+4,3+5) = (6,8) Common examples of vectors are force and velocity. Both force and velocity are in a particular direction. The magnitude of the vector would indicate the strength of the force or the speed associated with the velocity. Vector Calculator is useful for math teachers, educator, or anyone who want to prepare vector math material for teaching. Also for students who need to learn more detail or understanding of math vector addition operation. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

About

HTMLKit

Features
Read full description

HTMLKit is a Safari extension that lets you view the HTML source code of any webpage on iPhone, iPad, and Mac. FEATURES • One-Tap Source Loading Tap the extension icon to instantly load the complete HTML source code of the current page. • Dual View Modes - Current DOM: View the live page structure after JavaScript modifications - Original HTML: View the raw HTML returned from the server • Copy & Download Copy source code to clipboard with one tap, or download as a file. • Cross-Platform Enjoy a consistent experience across iPhone, iPad, and Mac. WHO IS IT FOR • Web Developers: Quickly inspect page structure and debug issues • Designers: Learn layout techniques from well-crafted websites • Students: Study HTML and web technologies • Curious Users: Explore how websites work behind the scenes

Screenshots

Vector Calculator Plus4 screens
HTMLKit4 screens

Verdict

The call

The clearest difference is price: HTMLKit at Free against Vector Calculator Plus's $2.99. HTMLKit also leads on update cadence (every 5 months vs every 43 months). Vector Calculator Plus's advantage is in-app purchases (none vs 1) and iOS requirement (13 vs 18.0). On 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

HTMLKit is free to download; Vector Calculator Plus costs $2.99 up front. HTMLKit sells 1 one-off in-app purchase. Vector Calculator Plus asks for nothing beyond the download.

UpkeepUpdate frequency

Vector Calculator Plus ships an update every 43 months, HTMLKit every 5 months. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 6 level
Vector Calculator Plus versus HTMLKit: the parameters behind the verdict, then further details
ParameterVector Calculator PlusHTMLKit
Price$2.99Free — better
Rating2.5 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 43 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13 — better18.0
Further details — not scored
Size1 MB6 MB
Age rating4+4+
DeveloperHeng Jia LiangFebesGoods Studio

In-app purchases

None

Vector Calculator Plus

No in-app purchases

1 purchases

HTMLKit

One-time1
  • Full Version$2.99

Questions

Is Vector Calculator Plus free?
Vector Calculator Plus costs $2.99, with no in-app purchases.
Is HTMLKit free?
HTMLKit is free to download, with in-app purchases available.
Do Vector Calculator Plus or HTMLKit have ads?
Neither Vector Calculator Plus nor HTMLKit shows ads.
Which is updated more often, Vector Calculator Plus or HTMLKit?
Vector Calculator Plus ships an update every 43 months, and HTMLKit every 5 months. Most recently, Vector Calculator Plus was updated on October 11, 2026 and HTMLKit on October 5, 2026.

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