Trail Explorer by CTRMA vs iNaturalist
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trail Explorer by CTRMA
Explore local trails with interactive augmented reality animations and voice narration in English and Spanish. Discover the history, native flora and fauna, and culture of the Texas Hill Country and Austin's East Side through engaging, educational experiences.
- Augmented Reality animations
- Voice narration (English/Spanish)
- GPS guidance
- Photo and social sharing
- Educational content on local history and nature
Read full descriptionHide full description
Take a walk like no other… The Trail Explorer by CTRMA app brings imagination to life by letting you explore the Central Texas Regional Mobility Authority’s 45SW and 183 Trails through voice narration in both English and Spanish and interactive augmented reality animations. Get ready to open the door to possibility! Trail Explorer by CTRMA provides a captivating and educational experience for all ages. Use this free app to enhance your journey along our trails. Learn about the history, native plants and animals of the Texas Hill Country, and the people, history and culture of Austin’s East Side. On the 45SW Trail, you can watch as prehistoric sea creatures animate in life-size form right before your eyes, witness the majesty of a towering Live Oak Tree as it grows from the ground up or take a deeper look at the caves below the surface in Central Texas. On the 183 Trail, you can watch a Tejano band play a personal concert, unlock a life-size hidden local Austin mural, or enter a portal to the Montopolis Truss Bridge in the late 1930’s. You won’t want to miss this one-of-a-kind trail adventure! Download the app today. Make sure to allow notifications and enable location services to utilize the app’s GPS component for a comprehensive trail experience. Key Features Augmented Reality: Animations bring you up close to unique experiences. Narration: Learn interesting facts and historic information with this narrated guide offered in both English and Spanish. Closed captioning available on the 183 Trail. GPS Guidance: Always know where you are on the trail, and identify nearby augmented reality experiences. Photo and Social Sharing Capability: Want to take a picture of a Mosasaur or a Texas-horned Lizard or journey through a portal to the 1930s? This app offers the ability to capture our jaw-dropping. augmented reality experience with your phone’s camera. Your friends won’t believe their eyes when you share what you’re seeing on this spectacular journey.
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
Read full descriptionHide full description
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: Trail Explorer by CTRMA at 4.8 against iNaturalist's 4.1. iNaturalist's advantage is update cadence (fortnightly vs every 3 months) and ratings volume (714 vs 6). 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.
Trail Explorer by CTRMA holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: iNaturalist has 714 ratings behind it against 6, so its average is the more settled of the two.
Trail Explorer by CTRMA ships an update every 3 months, iNaturalist fortnightly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | Trail Explorer by CTRMA | iNaturalist |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (6 ratings) — better | 4.1 (714 ratings) |
| Positive reviews | — | 48.6% of reviews |
| Number of ratings | 6 | 714 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #79 — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 412 MB | 220 MB |
| Age rating | 4+ | 4+ |
| Developer | Chocolate Milk & Donuts | iNaturalist |
Customer experience
Trail Explorer by CTRMA
iNaturalist
Bugs and requests
Trail Explorer by CTRMA
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
Trail Explorer by CTRMA
No in-app purchases
iNaturalist
No in-app purchases
Questions
Is Trail Explorer by CTRMA free?
Is iNaturalist free?
Which has better reviews, Trail Explorer by CTRMA or iNaturalist?
Do Trail Explorer by CTRMA or iNaturalist have ads?
Which is updated more often, Trail Explorer by CTRMA or iNaturalist?
Other comparisons















