Comparison

NewtonDV vs Gradiently

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

Head to head
About

NewtonDV

Analyze video footage to understand physics principles like kinematics. Record your own videos or import existing ones to study motion, forces, and velocity with detailed data visualization.

Highlights
  • Record HD and slow-motion videos
  • Import videos from various sources
  • Rotatable coordinate system
  • Display measurement data in tables and diagrams
  • Export data as CSV and images
  • Create time strips and stroboscopic images
  • Light and dark mode
Features
Read full description

Just imagine you want to find out which forces have an impact on a bungee jumper. Or whether the amount of fun you have on a roller coaster differs depending on sitting in the first or the last car. Maybe you want to get to the bottom of the moon landing in 1969. Did it really take place or are the videos just fakes produced in a film studio somewhere on our planet as alleged by several obscure sources? These and other questions about kinematics can be answered easily with NewtonDV. The app analyses the movement of persons or objects in a video using mere physics. All you need is a given film sequence — or record your own video with NewtonDV. Range of functions: - Recording HD and slow-motion videos using the built-in iPad camera (up to 240 fps) - Importing videos from the photo library, Files app, iCloud Drive, or via AirDrop - Rotatable coordinate system for inclined planes or rotated recordings - Displaying measurement data in tables and diagrams - Drawing trend curves - Creating time strips and stroboscopic images - Displaying velocity and acceleration vectors with numerical values - Exporting tables and diagrams as png files - Exporting measurement data as csv files for further analysis in a spreadsheet program - Sharing tables and diagrams via email - Printing tables and diagrams - Light and dark mode

About

Gradiently

Design unique gradient wallpapers with customizable colors and blends. Save or set them instantly to personalize your device. Explore color theory and create beautiful palettes.

Highlights
  • Generate unique gradients
  • Customize colors and blend
  • Save or set wallpapers instantly
  • Create custom color palettes
  • Learn color theory basics
  • Works on iPhone and iPad
Features
Read full description

Gradiently – Beautiful Gradient Wallpapers Create stunning, one-of-a-kind gradient wallpapers in seconds. Choose your colors, adjust the blend, and watch your screen come to life. Whether you love soft pastels, bold neons, or subtle fades, Gradiently makes it easy to design wallpapers that match your mood and style. Features: • Generate endless unique gradients • Customize colors, direction, and intensity • Save or set wallpapers instantly • Works perfectly for iPhone and iPad Simple. Elegant. Infinitely colorful. ------------------------------------------------------------------------------------------------------------------------------------ Colormix is a clean, powerful, and intuitive tool for anyone who loves working with color. Build beautiful gradients, discover inspiring palettes, and learn how different color spaces interact—all in one simple app. - Create stunning gradients with unlimited colors - Generate fresh palettes with the smart random color generator (only nice colors!) - Share an image of your gradient instantly - Everything saves automatically so you can pick up right where you left off! Colormix isn’t just fun—it’s educational. Adjust Hue, Saturation, or Brightness sliders and see how Red, Green, and Blue values shift in real time. Watch hex codes form before your eyes.  Whether you’re a designer, developer, or just someone who loves color, Colormix helps you create beautiful palettes and understand the science behind them.

Screenshots

Gradiently4 screens

Verdict

The call

The clearest difference is price: Gradiently at Free against NewtonDV's $5.99. Gradiently also leads on iOS requirement (18.5 vs 26.0). NewtonDV's advantage is review sentiment (67% vs 50%). On update cadence, ads, in-app purchases 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

Gradiently is free to download; NewtonDV costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
NewtonDV versus Gradiently: the parameters behind the verdict, then further details
ParameterNewtonDVGradiently
Price$5.99Free — better
Rating—5.0 (3 ratings) — better
Positive reviews66.7% of reviews — better50.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 5 monthsEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPadiPhone, iPad — better
Requires iOS26.018.5 — better
Further details — not scored
Size31 MB9 MB
Age rating4+4+
DeveloperRoland WejnerChristian Hatch

Customer experience

NewtonDV

Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

Gradiently

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

NewtonDV

No in-app purchases

None

Gradiently

No in-app purchases

Questions

Is NewtonDV free?
NewtonDV costs $5.99, with no in-app purchases.
Is Gradiently free?
Gradiently is free to download, with no in-app purchases.
Do NewtonDV or Gradiently have ads?
Neither NewtonDV nor Gradiently shows ads.
Which is updated more often, NewtonDV or Gradiently?
NewtonDV ships an update every 5 months, and Gradiently every 5 months. Most recently, NewtonDV was updated on October 7, 2026 and Gradiently on October 1, 2026.

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