Comparison

Hydropolis vs CHUDOMIR

Price, ratings, monetisation and update history for both apps, side by side โ€” 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
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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

CHUDOMIR

Features
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The house of the prominent Bulgarian writer, artist and public figure Dimitar Chorbadzhiyski - Chudomir in Kazanlak was declared a museum immediately after his death - in 1968. The museum is a municipal cultural institute and takes care of the preservation, study and popularization of the extremely rich creative heritage of Chudomir. It contains more than 15,000 original manuscripts, drawings, sketches, letters, books and personal belongings of Chudomir and his wife, the artist Mara Chorbadzhijska. The app offers an interactive experience for visitors, who can hear Chudomir's characters come alive and learn about his work not only in the museum, but anywhere his works are available to scan with a camera.

Screenshots

Hydropolis4 screens
CHUDOMIR4 screens

Verdict

The call

The clearest difference is update cadence: Hydropolis at every 10 months against CHUDOMIR's every 38 months. Hydropolis also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท 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, CHUDOMIR every 38 months. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

Scorecard2 real differences ยท 6 level
Hydropolis versus CHUDOMIR: the parameters behind the verdict, then further details
ParameterHydropolisCHUDOMIR
PriceFreeFree
Positive reviews16.7% of reviewsโ€”
Update frequencyEvery 10 months โ€” betterEvery 38 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 โ€” better15.0
Further details โ€” not scored
Size118 MB225 MB
Age rating4+17+
Developermiejskie przedsiebiorstwo wodociagow i kanalizacji s.aDesislava Pingelova

In-app purchases

None

Hydropolis

No in-app purchases

None

CHUDOMIR

No in-app purchases

Questions

Is Hydropolis free?
Hydropolis is free to download, with no in-app purchases.
Is CHUDOMIR free?
CHUDOMIR is free to download, with no in-app purchases.
Do Hydropolis or CHUDOMIR have ads?
Neither Hydropolis nor CHUDOMIR shows ads.
Which is updated more often, Hydropolis or CHUDOMIR?
Hydropolis ships an update every 10 months, and CHUDOMIR every 38 months. Most recently, Hydropolis was updated on October 4, 2026 and CHUDOMIR on October 11, 2026.

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