# Knot Guide HD vs Fish Identifier

The clearest difference is price: Fish Identifier at Free against Knot Guide HD's $4.99. Fish Identifier also leads on update cadence (every 3 weeks vs every 12 months) and device support (3 vs 1). Knot Guide HD's advantage is rating (4.1 vs 3.6) and in-app purchases (none vs 2). On ratings volume there is nothing between them.

Fish Identifier is free to download; Knot Guide HD costs $4.99 up front. Fish Identifier sells 2 in-app purchases, starting at $3.99 per 7 days. Knot Guide HD asks for nothing beyond the download.

Knot Guide HD holds the better App Store score, 4.1 against 3.6. Both are backed by a comparable volume of ratings — 23 and 44 respectively. Written reviews point the same way: 77% of Knot Guide HD's written reviews are positive against 68% of Fish Identifier's.

Knot Guide HD ships an update every 12 months, Fish Identifier every 3 weeks. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Knot Guide HD | Fish Identifier |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.1 (23 ratings)](https://appshunter.io/ios/app/knot-guide-hd/id374225992/reviews)** | [3.6 (44 ratings)](https://appshunter.io/ios/app/fish-identifier-fish-id/id1591573074/reviews) |
| Number of ratings | 23 | **44** |
| Positive reviews | **77.4% of reviews** | 67.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 99 MB | 90 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Winkpass Creations, Inc.](https://appshunter.io/developer/288636661) | [Huong Vu Lan](https://appshunter.io/developer/1591573076) |

## What reviewers say

### Knot Guide HD

[App page](https://appshunter.io/ios/app/knot-guide-hd/id374225992)

Learn to tie over 100 different knots with clear, step-by-step instructions and photographs. This app categorizes knots for easy browsing and provides detailed descriptions for each one, making it a practical tool for various activities.

**Highlights:** 107 unique knots, Clear, colorful photographs, Browse by category or knot name, Detailed knot descriptions, Categorized knot library

**Features:** macOS Compatibility

**In-app purchases:** none


### Fish Identifier

[App page](https://appshunter.io/ios/app/fish-identifier-fish-id/id1591573074)

Instantly identify fish species using AI by taking or uploading a photo. Access a vast encyclopedia of over 3000 fish with detailed information and save your discoveries.

**Highlights:** AI-powered fish identification from photos, Database of 3000+ fish species, Detailed fish information, Save identified fish to collection, Fuzzy search for similar fish

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fish ID Weekly | $3.99 | per 7 days |
| Fish ID Yearly | $39.99 | per year |

**What reviewers like**

- 📸 Accurate fish identification
- 📚 Extensive fish encyclopedia
- 💡 Fast recognition speed
- 👍 Easy to use
- 👨‍👩‍👧‍👦 Great for families

**What reviewers complain about**

- 💰 Expensive subscription
- 💸 Unclear pricing
- 🚫 Limited free usage
- ⚠️ Inaccurate identification sometimes
- 📺 Excessive ads

**Reported bugs**

- Error message 'none value'
- Unable to identify fish consistently
- Subscription cancellation issues
- Incorrect identification of species

**Requested features**

- More free identifications
- Clearer pricing upfront
- Option to disable ads
- Better freshwater fish identification
- Refund for non-working subscriptions


## Frequently asked questions

### Is Knot Guide HD free?

Knot Guide HD costs $4.99, with no in-app purchases.

### Is Fish Identifier free?

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

### Which has better reviews, Knot Guide HD or Fish Identifier?

Knot Guide HD is rated higher. Knot Guide HD averages 4.1 out of 5 from 23 ratings, while Fish Identifier averages 3.6 from 44 ratings.

### Do Knot Guide HD or Fish Identifier have ads?

Fish Identifier shows ads; Knot Guide HD does not.

### Which is updated more often, Knot Guide HD or Fish Identifier?

Knot Guide HD ships an update every 12 months, and Fish Identifier every 3 weeks. Most recently, Knot Guide HD was updated on October 23, 2026 and Fish Identifier on October 22, 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.*