Comparison

Zoho Spatial Designer vs Lumo AI by Proton

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

Head to head
About

Zoho Spatial Designer

Features
Read full description

Bring your workspace vision to life with Zoho Spatial Designer. This powerful augmented reality app allows you to interactively design and visualize office spaces in 3D before construction even begins. With Spatial Designer, you can: - Create interactive 3D spatial design projects and interior designs with pick-and-place furniture placement. - Visualize true-to-scale office layouts in augmented reality using your device's camera. - Experiment with floor plans and furniture layouts. - Collaborate effortlessly and get fast approval by sharing your designs with stakeholders. - Build the perfect workspace for productivity and inspiration. Spatial Designer takes the guesswork out of spatial planning and designing. Whether you're a beginner with no experience or a seasoned professional, you can use this intuitive 3D Spatial experience design app for data-driven workspace planning. Your data is hosted both offline on your device and online, ensuring accessibility anytime, anywhere for seamless remote collaboration. Plus, benefit from world-class security and privacy standards. With Zoho's unwavering commitment to data security and user privacy, you can confidently use Spatial Designer without any concerns about advertisements, unauthorized tracking, or the collection of personal information. Enjoy unified access across your organization through Zoho's single sign-on option, or simply sign in via Apple for added convenience. Craft your dream office space with unparalleled spatial planning, 3D visualization, and interactive spatial design tools, all powered by your device.

About

Lumo AI by Proton

This AI assistant prioritizes your privacy, offering help with productivity, curiosity, and staying informed. Developed by the team behind trusted encrypted services, it ensures your data remains secure.

Highlights
  • Privacy-first AI assistant
  • Boost productivity
  • Satisfy curiosity
  • Stay informed
  • Secure data handling
Read full description

Lumo is a zero-access encrypted AI assistant that keeps every conversation private. Your data is never logged, shared, or used to train models. Your chats are yours, and yours alone. Built by Proton, the privacy brand trusted by over 100 million people and the team behind Proton Mail, VPN, Drive, and Pass. THOUGHTFUL HELP FOR ANY TASK Lumo handles everything from quick questions to more complex work. Choose Fast for quick answers or Thinking for multi-step reasoning. FAST, POWERFUL WEB SEARCH Get precise, real-time answers in seconds. Lumo cites live sources so you can verify facts, dig deeper, and stay current on news, events, financial data, and more. CREATE AND REFINE IMAGES AND FILES Work with images and files just by telling Lumo what you need, from generating and editing images to analyzing documents. Connect your Proton Drive account for seamless access to stored files. AI THAT EVOLVES OVER TIME Lumo gets better every time you use it. Memory retains context and preferences across sessions, and you can set tones and styles to get the exact Lumo experience you want. STAY PRODUCTIVE AND ORGANIZED Projects give you dedicated encrypted spaces for tasks that span multiple chats, files, and instructions, while Custom Lumos let you create assistants tailored for specific tasks. Switch between light and dark modes for a more comfortable experience throughout the day. GHOST MODE For conversations where you want maximum privacy, choose Ghost Mode. Chats are instantly deleted once you close them for greater peace of mind. PRIVACY YOU CAN VERIFY Lumo is founded on zero-access encryption with no server-side chat logs, and never uses your data for profit or model training. Like all Proton products, Lumo is built and hosted in Europe and is fully open-source. Lumo helps you stay productive, curious, and informed — without ever compromising your privacy. Start a confidential chat for free today. For more information, visit our website: https://lumo.proton.me/about Terms of service: https://lumo.proton.me/legal/terms Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Our open-source code base: https://github.com/ProtonLumo/ios-lumo

Screenshots

Zoho Spatial Designer4 screens
Lumo AI by Proton4 screens

Verdict

The call

The clearest difference is in-app purchases: Zoho Spatial Designer at none against Lumo AI by Proton's 2. Lumo AI by Proton's advantage is update cadence (every 11 days vs every 5 months). On price, ads, device support and iOS requirement 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. Lumo AI by Proton sells 2 in-app purchases, starting at $12.99 per month. Zoho Spatial Designer asks for nothing beyond the download.

UpkeepUpdate frequency

Zoho Spatial Designer ships an update every 5 months, Lumo AI by Proton every 11 days. The most recent releases landed on October 9, 2026 and October 29, 2026 respectively.

Scorecard2 real differences · 8 level
Zoho Spatial Designer versus Lumo AI by Proton: the parameters behind the verdict, then further details
ParameterZoho Spatial DesignerLumo AI by Proton
PriceFreeFree
Rating—3.9 (557 ratings) — better
Positive reviews—45.9% of reviews
Number of ratings—557 — better
Update frequencyEvery 5 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, Vision ProiPhone, iPad
Requires iOS18.017.6 — better
Further details — not scored
Size167 MB103 MB
Age rating4+4+
DeveloperZoho CorporationProton AG

Bugs and requests

Zoho Spatial Designer

Not enough reviews yet to summarise bugs or requests.

Lumo AI by Proton

Reported bugs

2 issues
  • Slow sign-in page
  • Lack of real-time data access

Requested features

5 requests
  • Dynamic Type support for adjustable font size
  • Secure access to Proton Drive files
  • Ghost mode to ensure no chat history is saved
  • Intuitive history clearing option
  • App mode

In-app purchases

None

Zoho Spatial Designer

No in-app purchases

2 purchases

Lumo AI by Proton

Subscriptions2
  • Lumo Plus (1 month)$12.991 Month
  • Lumo Plus (12 months)$119.991 Year

Questions

Is Zoho Spatial Designer free?
Zoho Spatial Designer is free to download, with no in-app purchases.
Is Lumo AI by Proton free?
Lumo AI by Proton is free to download, with in-app purchases available.
Do Zoho Spatial Designer or Lumo AI by Proton have ads?
Neither Zoho Spatial Designer nor Lumo AI by Proton shows ads.
Which is updated more often, Zoho Spatial Designer or Lumo AI by Proton?
Zoho Spatial Designer ships an update every 5 months, and Lumo AI by Proton every 11 days. Most recently, Zoho Spatial Designer was updated on October 9, 2026 and Lumo AI by Proton on October 29, 2026.

Other comparisons