Petropolis vs K9 Nanni
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Petropolis
This app provides comprehensive pet care services, focusing on enriching experiences and educating pet parents. It utilizes cutting-edge, research-based methods to empower the human-animal bond.
- All-inclusive pet services
- Force-free philosophy
- Cutting-edge, research-based methods
- Enriching pet experiences
- Educating pet parents
- Empowering human-animal bond
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Our History Petropolis first opened its doors in 1988 thanks to Dr. Paul Schifano and Hannelore Bugby. Dr. Schifano’s goal was to create the nation’s first all-inclusive pet center servicing every pet’s needs “all under one woof.” Over the years, we’ve evolved with the times and adopted the force-free philosophy that make us the business we are today. When your pet comes to stay with us, they get not only thirty years of experience but also the most cutting edge, research-based methods in the pet care industry. Our Mission Enrich. Educate. Empower. That’s been our mission for over thirty years. And while we’ve been around for a long time, we’re anything but old-fashioned. We work to provide enriching experiences for the pets in our care and empower the human-animal bond by educating pet parents in our community.
K9 Nanni
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K9 Nanni mobile app is the easy way to manage all your pet care needs in one place. Whether you're a new or existing client, the app lets you schedule services, update your pet’s information, and stay connected with everything K9 Nanni.
Screenshots
Verdict
The clearest difference is update cadence: K9 Nanni at every 6 weeks against Petropolis's every 22 months. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Petropolis ships an update every 22 months, K9 Nanni every 6 weeks. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.
| Parameter | Petropolis | K9 Nanni |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 22 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 38 MB | 55 MB |
| Age rating | 17+ | 17+ |
| Developer | Michael Schifano | LINDA SOLANA |
In-app purchases
Petropolis
No in-app purchases
K9 Nanni
No in-app purchases
