# Keyplan 3D Lite vs WindowViewer

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.

Both are free to download. Keyplan 3D Lite sells 11 one-off in-app purchases. WindowViewer asks for nothing beyond the download.

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

## The numbers

| Metric | Keyplan 3D Lite | WindowViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (53K ratings)](https://appshunter.io/ios/app/keyplan-3d-lite-home-design/id983655856/reviews)** | — |
| Number of ratings | **53K** | — |
| Positive reviews | 64.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 633 MB | 138 MB |
| Requires iOS | 16 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Quasarts LLC](https://appshunter.io/developer/850534528) | [Digital Building Solutions GmbH](https://appshunter.io/developer/1456095004) |

## What reviewers say

### Keyplan 3D Lite

[App page](https://appshunter.io/ios/app/keyplan-3d-lite-home-design/id983655856)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Family | $1.99 | one-time |
| Outside | $1.99 | one-time |
| Bathroom | $1.99 | one-time |
| Entertainment Pack | $1.99 | one-time |
| Bedroom pack | $1.99 | one-time |
| Kitchen | $1.99 | one-time |
| Reward | $2.99 | one-time |
| Living room pack | $2.99 | one-time |
| Office | $2.99 | one-time |
| Garage pack | $2.99 | one-time |
| Standard version | $5.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Intuitive interface
- 💡 Helpful for visualizing design ideas
- 🚀 Good for basic room planning
- 👍 Simple and straightforward

**What reviewers complain about**

- 💰 Paid features and add-ons required for full functionality
- 🔒 Limited to one room in free version
- 🔒 Inability to create multiple floors or levels
- 🔒 Lack of advanced design tools and options
- 🐛 Buggy and crashes frequently

**Reported bugs**

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

**Requested features**

- 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


### WindowViewer

[App page](https://appshunter.io/ios/app/windowviewer/id1606181528)

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*