Comparison

STC Turtle Tracker vs SharkToothID

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

Head to head
About

STC Turtle Tracker

Follow the real-time journeys of tagged sea turtles as they migrate across oceans. Learn their individual stories and discover how your support helps protect these vital ocean indicators.

Highlights
  • Real-time turtle tracking
  • Individual turtle stories and histories
  • Detailed migration route maps
  • Updates on turtle movements
  • Support conservation efforts
  • Learn about ocean health
Features
Read full description

Follow real sea turtles – Koa, Donna Shello, Haven, and dozens more – as they navigate thousands of miles across the world's oceans. Watch their journeys unfold in real time, learn their stories, and become part of the effort to protect them. The Turtle Tracker app connects you directly to sea turtles fitted with satellite transmitters by researchers and conservationists. These aren't simulations – they're real animals, tracked as they migrate between feeding grounds, traverse ocean currents, and return to nest on the beaches where they were born. Get to know each turtle Every turtle has a name, a history, and a journey worth following. See where they were released, how far they've traveled, and what they've been up to. Add your favorites and check in as their tracks grow across the map. Watch migrations unfold Explore detailed route maps showing each turtle's path from release to their latest ping. See the distances they cover – sometimes thousands of miles – and the speeds they maintain across the open ocean. Stay updated The home feed shows you which turtles moved recently, highlights the week's top travelers, and keeps you connected to what's happening in real time. Go Premium to support sea turtle conservation Upgrade to unlock leaderboards, exclusive features, and – most importantly – directly fund the research and protection efforts that keep these animals safe. Every subscription helps Sea Turtle Conservancy continue its work. Why it matters Sea turtles are among the oldest creatures on Earth and vital indicators of ocean health. Whether they thrive or vanish says something profound about our ability to share this planet with other species. Sea Turtle Conservancy, founded in 1959 by world-renowned naturalist Dr. Archie Carr, is the world's oldest sea turtle research and conservation organization. Your engagement — and your support — helps continue over six decades of work protecting these remarkable animals. Important links: https://conserveturtles.org/terms-of-use/ https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ https://conserveturtles.org/privacy-policy/

About

SharkToothID

Easily identify shark teeth, scallops, and other fossils found along the Carolinas and Florida coasts. This app covers the most common specimens you're likely to discover.

Highlights
  • Identify shark teeth
  • Identify Pecten and other fossils
  • Covers Carolinas and Florida coasts
  • Focuses on common fossils
  • Easy to use interface
Read full description

A visual guide for identifying fossil shark teeth and other fossils found along the East Coast, including the Carolinas, Georgia, and Florida. Explore detailed fossil photographs, along with images and descriptions of the extinct animals they came from. More than just shark teeth—identify fossils from fish, rays, alligators, horses, and many other prehistoric animals.

Screenshots

STC Turtle Tracker4 screens
SharkToothID4 screens

Verdict

The call

The clearest difference is in-app purchases: SharkToothID at none against STC Turtle Tracker's 2. SharkToothID also leads on review sentiment (100% vs 88%). STC Turtle Tracker's advantage is rating (4.7 vs 4.3) and update cadence (every 2 months vs every 7 months). On price, ratings volume, ads 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. STC Turtle Tracker sells 2 in-app purchases, starting at $2.99 per month. SharkToothID asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

STC Turtle Tracker holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 42 and 19 respectively. Written reviews complicate that: 88% of STC Turtle Tracker's written reviews are positive against 100% of SharkToothID's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

STC Turtle Tracker ships an update every 2 months, SharkToothID every 7 months. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 4 level
STC Turtle Tracker versus SharkToothID: the parameters behind the verdict, then further details
ParameterSTC Turtle TrackerSharkToothID
PriceFreeFree
Rating4.7 (42 ratings) — better4.3 (19 ratings)
Positive reviews87.5% of reviews100.0% of reviews — better
Number of ratings42 — better19
Update frequencyEvery 2 months — betterEvery 7 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.6
Further details — not scored
Size66 MB164 MB
Age rating4+9+
DeveloperSEA TURTLE CONSERVANCY, INC.Steven Sharpe

Customer experience

STC Turtle Tracker

All ratings42 ratings
Positive92.9%
Neutral2.4%
Negative4.8%
Written reviews8 reviews
Positive87.5%
Neutral12.5%
Negative0.0%

SharkToothID

All ratings19 ratings
Positive84.2%
Neutral0.0%
Negative15.8%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

STC Turtle Tracker

Subscriptions2
  • STC Turtle Tracker Premium$2.991 Month
  • STC Turtle Tracker Premium$24.991 Year
None

SharkToothID

No in-app purchases

Questions

Is STC Turtle Tracker free?
STC Turtle Tracker is free to download, with in-app purchases available.
Is SharkToothID free?
SharkToothID is free to download, with no in-app purchases.
Which has better reviews, STC Turtle Tracker or SharkToothID?
STC Turtle Tracker is rated higher. STC Turtle Tracker averages 4.7 out of 5 from 42 ratings, while SharkToothID averages 4.3 from 19 ratings.
Do STC Turtle Tracker or SharkToothID have ads?
Neither STC Turtle Tracker nor SharkToothID shows ads.
Which is updated more often, STC Turtle Tracker or SharkToothID?
STC Turtle Tracker ships an update every 2 months, and SharkToothID every 7 months. Most recently, STC Turtle Tracker was updated on September 9, 2026 and SharkToothID on September 24, 2026.

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