Comparison

Hydropolis vs ZORZA

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

Head to head

About

Hydropolis

Explore a water knowledge center through an audio guide. This app offers interactive exhibits and multimedia content to expand your understanding of water in an engaging and fun way.

Highlights

Audio guide functionality
Interactive installations
Multimedia content
Educational information
Engaging user experience

Features

Read full description

Audio guide for Hydropolis - water knowledge center based in Wroclaw, Poland. Hydropolis is a place where diverse multimedia technologies, interactive installations, faithful replicas and models, as well as touch screens provide extensive information and serve one purpose... expanding your knowledge while having fun doing so!

About

ZORZA

Features

Read full description

ZORZA wspierana przez T-Mobile to dwudniowy festiwal, który stawia na zaskakujące odsłony znanych polskich artystów. Oficjalna aplikacja to Twój osobisty, festiwalowy przewodnik. W aplikacji ZORZA znajdziesz: • Informacje: Wszystkie najważniejsze informacje dotyczące festiwalu, artystów oraz inne przydatne szczegóły. • Powiadomienia: Bądź zawsze na bieżąco z aktualnościami. • Dodatkowe aktywności: Możesz zbierać punkty (TIP-y) za różne aktywności.

Screenshots

Hydropolis4 screens

ZORZA4 screens

Verdict

The call

The clearest difference is update cadence: ZORZA at weekly against Hydropolis's every 10 months. Hydropolis's advantage is iOS requirement (12.0 vs 16.4). 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

Hydropolis ships an update every 10 months, ZORZA weekly. The most recent releases landed on October 21, 2026 and September 14, 2026 respectively.

Scorecard2 real differences · 6 level

Hydropolis versus ZORZA: the parameters behind the verdict, then further details
Parameter	Hydropolis	ZORZA
Price	Free	Free
Positive reviews	16.7% of reviews	—
Update frequency	Every 10 months	Weekly — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	12.0 — better	16.4
Further details — not scored
Size	118 MB	84 MB
Age rating	4+	4+
Developer	miejskie przedsiebiorstwo wodociagow i kanalizacji s.a	MIRANDA SP Z O O

In-app purchases

None

Hydropolis

No in-app purchases

None

ZORZA

No in-app purchases

Questions

Is Hydropolis free?

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

Is ZORZA free?

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

Do Hydropolis or ZORZA have ads?

Neither Hydropolis nor ZORZA shows ads.

Which is updated more often, Hydropolis or ZORZA?

Hydropolis ships an update every 10 months, and ZORZA weekly. Most recently, Hydropolis was updated on October 21, 2026 and ZORZA on September 14, 2026.