Cat Tracker 2 vs iNaturalist
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cat Tracker 2
This app helps researchers and enthusiasts understand the impact of domestic cats on native wildlife populations. It provides data to study cat population dynamics and their relationship with local ecosystems.
- Study cat population dynamics
- Analyze impact on native wildlife
- Data collection for research
- Understand ecosystem relationships
- Educational tool for conservation
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The domestic house cat (Felis catus) is considered one of the world’s worst invasive species. High densities of cats throughout cities wreak havoc on native small animal populations. The aim of my research is to better understand the dynamics of house cat populations in relation to the population dynamics of native wildlife.
iNaturalist
Identify plants, animals, and fungi using your camera or imported photos. Get AI-powered species suggestions and connect with a global community of nature enthusiasts to learn more about the natural world and contribute to scientific conservation efforts.
- AI species identification
- Record species observations
- Contribute to scientific data
- Explore biodiversity
- Connect with nature enthusiasts
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Your photos of plants, animals, fungi, and more can help protect nature all around the world. iNaturalist is free, nonprofit, and community-powered. iNaturalist helps millions of people learn about and document the nature around them. Point your camera at plants, animals, and fungi to get instant identification suggestions, then share your photos or sound recordings as an "observation." Then, see your observation get reviewed by a global community of knowledgeable nature-lovers to turn it into a useful data point for science and conservation efforts. Your everyday moments of curiosity can directly contribute to protecting nature, and you don't need any previous experience or knowledge to get started. iNaturalist is a mission-driven nonprofit dedicated to connecting people to nature and advancing biodiversity science and conservation, and is freely available thanks to the generous support of our community. KEY FEATURES • Identify species from anywhere in the world • Contribute to science by sharing your observations • Keep a record of species you see • Explore and protect biodiversity • Connect with and learn from other nature enthusiasts
Screenshots
Verdict
The clearest difference is rating: Cat Tracker 2 at 5.0 against iNaturalist's 4.1. Cat Tracker 2 also leads on iOS requirement (12.0 vs 15.1). iNaturalist's advantage is update cadence (fortnightly vs every 27 months) and ratings volume (684 vs 1). On price, ads, in-app purchases and monetization model 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.
Cat Tracker 2 holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: iNaturalist has 684 ratings behind it against 1, so its average is the more settled of the two.
Cat Tracker 2 ships an update every 27 months, iNaturalist fortnightly. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.
| Parameter | Cat Tracker 2 | iNaturalist |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.1 (684 ratings) |
| Positive reviews | — | 48.7% of reviews |
| Number of ratings | 1 | 684 — better |
| Update frequency | Every 27 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #84 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 57 MB | 220 MB |
| Age rating | 4+ | 4+ |
| Developer | AppHammer, LLC | iNaturalist |
Customer experience
Cat Tracker 2
iNaturalist
Bugs and requests
Cat Tracker 2
Not enough reviews yet to summarise bugs or requests.
iNaturalist
Reported bugs
5 issues- App freezes when suggesting IDs on audio clips
- Inconsistent tap responsiveness in search menu
- Observation time not accurately filling based on upload time
- Map showing incorrect observation locations
- Crashes and performance issues on some devices
Requested features
5 requests- Ability to type in address/coordinates for location
- Option to add observations to projects during upload
- Batch editing/uploading of observations
- More precise search filters (e.g. aquatic, parasitic, migratory)
- Bring back colored observation markers on map
In-app purchases
Cat Tracker 2
No in-app purchases
iNaturalist
No in-app purchases
