Comparison

Maison de Balzac vs Karusphère

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

Head to head
About

Maison de Balzac

Explore the life and works of a 19th-century writer through interactive museum tours, literary walks, and engaging puzzles. Discover his Parisian home, listen to readings, and uncover a mystery by solving clues.

Highlights
  • Interactive museum tours
  • Detailed commentary and readings
  • Solve puzzles to unmask a thief
  • Literary walks through Paris
  • Discover 19th-century authors
  • Regular updates for exhibitions
Features
Read full description

Use the Maison de Balzac app as your guide, and immerse yourself in the life and work of this famous 19th century writer! • Whether you’re an occasional reader or a real bookworm, come and discover the collections at the Maison de Balzac, his only Parisian home to have been preserved, featuring detailed commentary, readings and interviews. • Pay a family visit to the museum and help Balzac unmask the thief who has stolen his cane by solving the puzzles in each room. • Enjoy a literary walk through Paris and discover the capital through the writings of Balzac and other 19th century authors. The app is regularly updated with tour paths related to our temporary exhibitions. We always welcome your feedback!

About

Karusphère

Features
Read full description

KaruSphère est un bureau d’études et de recherche ayant pour mission l’analyse scientifique de la géoscience caribéenne. Cette jeune et dynamique société est spécialisée dans les domaines de la pollution de l’air, de la pollution de l’eau, du changement climatique et des déchets. Sensibilisé très tôt aux problématiques environnementales auxquelles est confronté l’archipel Guadeloupéen, son président Thomas PLOCOSTE choisit de se spécialiser dans l’étude physico-chimique des polluants en milieu tropical. En 2008, lors de son stage de fin d’étude de master 2 à l’Institut National de la Recherche Agronomique des Antilles (Duclos – Petit-Bourg), ses travaux de recherche portèrent sur l’impact de la pluviométrie et de l’évapotranspiration en Basse-Terre de Guadeloupe pour un modèle de lessivage de la Chlordécone. Puis, suite à ces travaux effectués de 2009 à 2013, il rédigea, à l’Université des Antilles (Fouillole – Pointe-à-Pitre) une thèse sur la dispersion nocturne des polluants atmosphériques issus de la décharge de la Gabarre. Son intégration à l’Université des Antilles de 2013 à 2018 en tant qu’attaché temporaire d’enseignement et de recherche, puis ingénieur de recherche, lui a permis de poursuivre ces travaux de recherche sur la pollution atmosphérique en milieu tropical. Fort de ce parcours riche en expériences, Thomas PLOCOSTE fonda en novembre 2018 KaruSphère

Screenshots

Maison de Balzac4 screens
Karusphère4 screens

Verdict

The call

The clearest difference is update cadence: Karusphère at every 2 weeks against Maison de Balzac's every 12 months. Maison de Balzac's advantage is iOS requirement (13.0 vs 15.1). 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

Maison de Balzac ships an update every 12 months, Karusphère every 2 weeks. The most recent releases landed on November 3, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 6 level
Maison de Balzac versus Karusphère: the parameters behind the verdict, then further details
ParameterMaison de BalzacKarusphère
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyEvery 12 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size46 MB32 MB
Age rating17+17+
DeveloperParis MuséesJ2R CONSULTING

In-app purchases

None

Maison de Balzac

No in-app purchases

None

Karusphère

No in-app purchases

Questions

Is Maison de Balzac free?
Maison de Balzac is free to download, with no in-app purchases.
Is Karusphère free?
Karusphère is free to download, with no in-app purchases.
Do Maison de Balzac or Karusphère have ads?
Neither Maison de Balzac nor Karusphère shows ads.
Which is updated more often, Maison de Balzac or Karusphère?
Maison de Balzac ships an update every 12 months, and Karusphère every 2 weeks. Most recently, Maison de Balzac was updated on November 3, 2026 and Karusphère on October 4, 2026.

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