Comparison

CastleAR vs GG Centro

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

Head to head

CastleAR

CastleAR - Experience the New!

GG Centro- B2B Sales

About

CastleAR

Features

Read full description

CastleAR is an innovative demo application designed to blend augmented reality (AR) with everyday experiences. By leveraging QR code scanning technology, CastleAR allows users to play videos seamlessly on top of images, creating an immersive and interactive visual experience. Simply scan a QR code, and watch as relevant video content overlays the associated image, transforming static visuals into dynamic, multimedia presentations. This cutting-edge app is ideal for enhancing marketing materials, educational content, and more, offering a glimpse into the future of AR integration.

About

GG Centro

Features

Read full description

This App is a comprehensive B2B sales and order management application designed specifically for GranitoGres Global's business operations. Streamline your entire sales workflow from initial customer enquiries to final purchase orders, all from the palm of your hand.

Screenshots

CastleAR3 screens

GG Centro4 screens

Verdict

The call

The clearest difference is update cadence: CastleAR at every 2 days against GG Centro's every 2 months. GG Centro's advantage is iOS requirement (12 vs 14.0). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CastleAR ships an update every 2 days, GG Centro every 2 months. The most recent releases landed on September 18, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 4 level

CastleAR versus GG Centro: the parameters behind the verdict, then further details
Parameter	CastleAR	GG Centro
Price	Free	Free
Update frequency	Every 2 days — better	Every 2 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	14.0	12 — better
Further details — not scored
Size	1 MB	66 MB
Age rating	4+	12+
Developer	Webcastle Media Private Limited	Fegno Technologies

In-app purchases

None

CastleAR

No in-app purchases

None

GG Centro

No in-app purchases

Questions

Is CastleAR free?

CastleAR is free to download, with no in-app purchases.

Is GG Centro free?

GG Centro is free to download, with no in-app purchases.

Do CastleAR or GG Centro have ads?

Neither CastleAR nor GG Centro shows ads.

Which is updated more often, CastleAR or GG Centro?

CastleAR ships an update every 2 days, and GG Centro every 2 months. Most recently, CastleAR was updated on September 18, 2026 and GG Centro on September 11, 2026.