Comparison

Rosa Gres vs ONA

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

Head to head
About

Rosa Gres

Visualize porcelain stoneware colors for pools and terraces using augmented reality and 3D models. Customize pool designs, observe water color changes, and explore project inspiration. This free app offers an offline creative experience for outdoor space design.

Highlights
  • Pool color customization
  • Water color simulation
  • Augmented reality visualization
  • 3D trim piece rotation
  • Project inspiration gallery
  • Offline functionality
Features
Read full description

The new Rosa Gres app helps you find the ideal porcelain stoneware color for pools and terraces. Customize your pool by changing the colors of each area and seeing how it affects the color of the water. With its augmented reality function, you can see every color panel in its entirety. In the 3D area you can rotate all the trim pieces 360º to see them in detail from all angles. In the projects section, you will find ideas and trends to inspire your pool and outdoor space designs. The app also allows you to easily share content from your device. Download it now and live a creative experience with our colors. The Rosa Gres app can be used offline and is completely free of charge. DISCOVER OUR MENU: *** CUSTOMIZE YOUR POOL*** Change the colors of every part of the virtual pool; notice how the color of the water changes depending on the ceramic you choose. You can also see what the pool looks like in daylight and at night. ***MOVE THE WATER*** A relaxing water game that is all about you. ***AUGMENTED REALITY*** Aim your mobile device’s screen at the Rosa Gres markers to see the complete panel of every color. ***3D PIECES*** Access all the Rosa Gres trim pieces for pools. You can rotate the pieces 360º and see them in detail from every angle. ***COLLECTIONS*** Discover our pool color catalogue. You can obtain information about all available formats. Enables access to 3D views of all Rosa Gres trim pieces for pools. ***PROJECTS*** Our inspiration area. Explore projects from all over the world to find ideas and trends to help you design your pool. You can see both private residential pools and hotel, Wellness and Spa pools.

About

ONA

Features
Read full description

ONA is a European platform designed to strengthen women’s safety through trusted technology, institutional collaboration and accessible support. Rather than being a standalone emergency app, ONA helps connect women with trusted contacts, support organizations and public institutions when assistance is needed. Inspired by European best practices and developed together with institutional partners, ONA focuses on trust, privacy and coordinated response. Key Features • Quick access to trusted support • Secure communication • Trusted contacts • Location sharing when appropriate • Privacy-first architecture • Modern and intuitive experience • Secure technology designed for public trust Built Around Trust ONA is designed to complement existing institutions rather than replace them. The platform supports cooperation between women through a secure and user-friendly digital experience. Privacy & Security Protecting user privacy is a core principle of ONA. The platform is designed around responsible data handling, secure communication and privacy-conscious architecture. European Vision ONA is built to support safer communities through collaboration between governments, civil society organizations, technology partners and international institutions. Our mission is to make access to support simpler, faster and more connected while respecting the dignity, privacy and safety of every user.

Screenshots

Rosa Gres4 screens
ONA2 screens

Verdict

The call

The clearest difference is update cadence: ONA at every 5 days against Rosa Gres's every 2 months. Rosa Gres's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Rosa Gres ships an update every 2 months, ONA every 5 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 6 level
Rosa Gres versus ONA: the parameters behind the verdict, then further details
ParameterRosa GresONA
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.4
Further details — not scored
Size472 MB36 MB
Age rating4+4+
DeveloperPitBoxMediaGRIDSTUDIO TECHNOLOGIES LTD

In-app purchases

None

Rosa Gres

No in-app purchases

None

ONA

No in-app purchases

Questions

Is Rosa Gres free?
Rosa Gres is free to download, with no in-app purchases.
Is ONA free?
ONA is free to download, with no in-app purchases.
Do Rosa Gres or ONA have ads?
Neither Rosa Gres nor ONA shows ads.
Which is updated more often, Rosa Gres or ONA?
Rosa Gres ships an update every 2 months, and ONA every 5 days. Most recently, Rosa Gres was updated on November 3, 2026 and ONA on October 28, 2026.

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