# TKD Guide vs Shark Tooth Identifier

The clearest difference is price: Shark Tooth Identifier at Free against TKD Guide's $0.99. Shark Tooth Identifier also leads on update cadence (every 2 months vs every 5 months) and ratings volume (8 vs 1). TKD Guide's advantage is rating (5.0 vs 3.5) and in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Shark Tooth Identifier is free to download; TKD Guide costs $0.99 up front. Shark Tooth Identifier sells 2 in-app purchases, starting at $4.99 per 7 days. TKD Guide asks for nothing beyond the download.

TKD Guide holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Shark Tooth Identifier has 8 ratings behind it against 1, so its average is the more settled of the two.

TKD Guide ships an update every 5 months, Shark Tooth Identifier every 2 months. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | TKD Guide | Shark Tooth Identifier |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tkd-guide-tagb-syllabus/id972811189/reviews)** | [3.5 (8 ratings)](https://appshunter.io/ios/app/shark-tooth-identifier-scan/id6749814542/reviews) |
| Number of ratings | 1 | **8** |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Paid | **Freemium** |
| Size | 1 MB | 37 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AppyAppster Ltd](https://appshunter.io/developer/1746049419) | [Ramkumar Vellaisamy](https://appshunter.io/developer/1706335914) |

## What reviewers say

### TKD Guide

[App page](https://appshunter.io/ios/app/tkd-guide-tagb-syllabus/id972811189)

This offline application provides comprehensive Tae Kwon Do study materials for all belt levels, from White Belt to 4th Dan Black Belt. Access vital information anytime, anywhere, without an internet connection.

**Highlights:** Offline access, White Belt to 4th Dan Black Belt curriculum, Flight safe mode compatible, Comprehensive study information

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Shark Tooth Identifier

[App page](https://appshunter.io/ios/app/shark-tooth-identifier-scan/id6749814542)

Instantly identify shark teeth from photos using advanced AI. Learn detailed information about species, geological context, and potential value. Save your finds to a personal collection and explore the world of shark fossils.

**Highlights:** AI-powered tooth identification, Detailed species information, Geological context and value, Personal collection saving, Built-in AI assistant

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shark Tooth Identifier Weekly | $4.99 | per 7 days |
| Shark Tooth Identifier Yearly | $24.99 | per year |


## Frequently asked questions

### Is TKD Guide free?

TKD Guide costs $0.99, with no in-app purchases.

### Is Shark Tooth Identifier free?

Shark Tooth Identifier is free to download, with in-app purchases available.

### Which has better reviews, TKD Guide or Shark Tooth Identifier?

TKD Guide is rated higher. TKD Guide averages 5.0 out of 5 from 1 ratings, while Shark Tooth Identifier averages 3.5 from 8 ratings.

### Do TKD Guide or Shark Tooth Identifier have ads?

Neither TKD Guide nor Shark Tooth Identifier shows ads.

### Which is updated more often, TKD Guide or Shark Tooth Identifier?

TKD Guide ships an update every 5 months, and Shark Tooth Identifier every 2 months. Most recently, TKD Guide was updated on October 10, 2026 and Shark Tooth Identifier on October 8, 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.*