# STC Turtle Tracker vs Thestarstudy

The clearest difference is update cadence: STC Turtle Tracker at every 2 months against Thestarstudy's every 4 months. On price, ads, in-app purchases 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 and Thestarstudy sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

STC Turtle Tracker ships an update every 2 months, Thestarstudy every 4 months. The most recent releases landed on September 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | STC Turtle Tracker | Thestarstudy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (42 ratings)](https://appshunter.io/ios/app/stc-turtle-tracker/id1591029453/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 66 MB | 144 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEA TURTLE CONSERVANCY, INC.](https://appshunter.io/developer/1591029455) | [Online Learning](https://appshunter.io/developer/1790866777) |

## 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 |


### Thestarstudy

[App page](https://appshunter.io/ios/app/thestarstudy/id6471238859)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AY | $39.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BF | $49.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BH | $49.99 | one-time |


## Frequently asked questions

### Is STC Turtle Tracker free?

STC Turtle Tracker is free to download, with in-app purchases available.

### Is Thestarstudy free?

Thestarstudy is free to download, with in-app purchases available.

### Do STC Turtle Tracker or Thestarstudy have ads?

Neither STC Turtle Tracker nor Thestarstudy shows ads.

### Which is updated more often, STC Turtle Tracker or Thestarstudy?

STC Turtle Tracker ships an update every 2 months, and Thestarstudy every 4 months. Most recently, STC Turtle Tracker was updated on September 26, 2026 and Thestarstudy on October 5, 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.*