Comparison

Keyplan 3D Lite vs WindowViewer

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

Head to head
About

Keyplan 3D Lite

Design and decorate your home or dream house with this intuitive interior design app. Easily create walls, rooms, and add furniture with a user-friendly interface and real-time 3D visualization. Share your stunning creations with friends and family.

Highlights
  • House builder with 2D/3D editing
  • Interior design with furniture placement
  • Extensive decoration options
  • Customizable wall settings
  • iCloud synchronization
  • 2D snapshot and 3D render sharing
Features
Read full description

Keyplan 3D, our new home and interior designer is built on top of a unique technology unleashing features never seen before on the Appstore. It is a simple to use, useful and fun App to help you design, build, think and decorate your home or future home from the ground up. Whether you are looking to make alterations to your current home or plan on building your dream house, Keyplan 3D is there to turn this otherwise complicated process into child's play. Through our beautiful interface, designed with simplicity in mind, you can create amazing content without ever having to worry about complex menus and cryptic options. Create a wall or room by simply using our build button and our smart engine will take care of the rest. Forget about loading screens and unresponsive Apps : with Keyplan 3D you can visualise your project through our gorgeously rendered plans, which are both fully interactive and updated in real-time. Every aspect of Keyplan 3D has been designed to enable you to express your creativity like never before. Behind Keyplan 3D there is a powerful technology, allowing you to build any shape imagineable, paint, decorate and place more than 350 free unique objects. Feeling proud of your creations? Go ahead and share them with your friends and family on your favourite social media platform. Main features: - House builder : creating walls is as easy as drawing a line with a pencil. Any shape is possible with our unique 2D/3D editing features. - Interior design : Place furniture, windows, doors - edit, change, remove, in either the 2D or 3D view. - Decoration : A large selection of paints, brick, wood, ceramic, textile to be used on any object or surface. Expect new free objects on a regular basis. - Many customisation options such as wall width and height settings, inch/meter conversion. - iCloud synchronisation to enjoy your project on all your devices, iPhone and iPad. - Sharing : share 2D snapshots and 3D renders of your plan with your friends/family. Try it out and let us know what you think - we made Keyplan 3D for you and our only goal is to offer you the best experience out there. A nice video presentation: http://bit.ly/1DACRHo For more information, visit us on www.keyplan3d.com Contact us to: contact@keyplan3d.com

About

WindowViewer

Read full description

You are wondering how different colored windows will look in your home or how a new sliding door will look on the living room wall? When renovating you ask yourself many questions that are often difficult to answer when your own imagination is lacking. With the WindowViewer app, you can now answer these questions visually. Choosing new windows and doors has never been so easy: With the WindowViewer app, you can now quickly and easily visualize windows and doors and place them in your home using AR (augmented reality). This gives you a playful way to get a better impression of different window types, shapes, colors, etc. WindowViewer is the augmented reality app for window visualization: Using modern AR technology, you can easily visualize window elements in your immediate surroundings via your smartphone or tablet with the WindowViewer app. Place selected window and door elements in the preferred location in the room and change the desired parameters in an instant: Shapes, colors, handles, window sills, etc. Everything can be customized by you! Technical requirements: You need an internet-enabled smartphone or tablet to use the app. No registration is required for visualization. Never before has the selection of windows and doors been so easy to use. Just try it out!

Screenshots

Keyplan 3D Lite4 screens
WindowViewer4 screens

Verdict

The call

The clearest difference is in-app purchases: WindowViewer at none against Keyplan 3D Lite's 11. WindowViewer also leads on iOS requirement (12.0 vs 16). 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. Keyplan 3D Lite sells 11 one-off in-app purchases. WindowViewer asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 15, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 8 level
Keyplan 3D Lite versus WindowViewer: the parameters behind the verdict, then further details
ParameterKeyplan 3D LiteWindowViewer
PriceFreeFree
Rating4.5 (53K ratings) — better—
Positive reviews64.4% of reviews—
Number of ratings53K — better—
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1612.0 — better
Further details — not scored
Size633 MB138 MB
Age rating4+4+
DeveloperQuasarts LLCDigital Building Solutions GmbH

Bugs and requests

Keyplan 3D Lite

Reported bugs

4 issues
  • Designs disappearing or becoming corrupted
  • Restore purchase feature not working
  • Frequent crashes when adding certain elements
  • Glitches with object placement and sizing

Requested features

6 requests
  • Add option for multiple floors/levels
  • Improve wall and object manipulation tools
  • Expand furniture, decor, and landscaping options
  • Allow importing of custom objects and textures
  • Add roof and exterior design capabilities
Show 1 more
  • Improve 3D view and navigation

WindowViewer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

Keyplan 3D Lite

One-time11
  • Family$1.99
  • Outside$1.99
  • Bathroom$1.99
Show 8 more
  • Entertainment Pack$1.99
  • Bedroom pack$1.99
  • Kitchen$1.99
  • Reward$2.99
  • Living room pack$2.99
  • Office$2.99
  • Garage pack$2.99
  • Standard version$5.99
None

WindowViewer

No in-app purchases

Questions

Is Keyplan 3D Lite free?
Keyplan 3D Lite is free to download, with in-app purchases available.
Is WindowViewer free?
WindowViewer is free to download, with no in-app purchases.
Do Keyplan 3D Lite or WindowViewer have ads?
Neither Keyplan 3D Lite nor WindowViewer shows ads.
Which is updated more often, Keyplan 3D Lite or WindowViewer?
Keyplan 3D Lite ships an update every 3 months, and WindowViewer every 3 months. Most recently, Keyplan 3D Lite was updated on October 15, 2026 and WindowViewer on September 10, 2026.

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