# STC Turtle Tracker vs SharkToothID

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.

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.

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.

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.

## The numbers

| Metric | STC Turtle Tracker | SharkToothID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (42 ratings)](https://appshunter.io/ios/app/stc-turtle-tracker/id1591029453/reviews)** | [4.3 (19 ratings)](https://appshunter.io/ios/app/sharktoothid/id1659293323/reviews) |
| Number of ratings | **42** | 19 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 66 MB | 164 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [SEA TURTLE CONSERVANCY, INC.](https://appshunter.io/developer/1591029455) | [Steven Sharpe](https://appshunter.io/developer/1547019547) |

## What reviewers say

### STC Turtle Tracker

[App page](https://appshunter.io/ios/app/stc-turtle-tracker/id1591029453)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STC Turtle Tracker Premium | $2.99 | per month |
| STC Turtle Tracker Premium | $24.99 | per year |


### SharkToothID

[App page](https://appshunter.io/ios/app/sharktoothid/id1659293323)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*