# Knot Guide vs Fish Identifier

The clearest difference is price: Fish Identifier at Free against Knot Guide's $2.99. Fish Identifier also leads on iOS requirement (14.0 vs 17.0). Knot Guide's advantage is rating (4.6 vs 3.6) and ads (none vs shown). On update cadence, in-app purchases, monetization model and device support there is nothing between them.

Fish Identifier is free to download; Knot Guide costs $2.99 up front. Knot Guide sells 2 in-app purchases, starting at $2.99 per month and Fish Identifier sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Knot Guide holds the better App Store score, 4.6 against 3.6. That said, the two scores are not equally well evidenced: Knot Guide has 450 ratings behind it against 45, so its average is the more settled of the two. Written reviews point the same way: 80% of Knot Guide's written reviews are positive against 68% of Fish Identifier's.

Knot Guide ships an update monthly, Fish Identifier every 3 weeks. The most recent releases landed on September 24, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | Knot Guide | Fish Identifier |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.6 (450 ratings)](https://appshunter.io/ios/app/knot-guide/id293111210/reviews)** | [3.6 (45 ratings)](https://appshunter.io/ios/app/fish-identifier-fish-id/id1591573074/reviews) |
| Number of ratings | **450** | 45 |
| Positive reviews | **79.8% of reviews** | 67.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 298 MB | 90 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, 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

[App page](https://appshunter.io/ios/app/knot-guide/id293111210)

Learn to tie a wide variety of essential knots with this comprehensive guide. It provides step-by-step instructions for over 200 knots, making it a valuable resource for DIY enthusiasts, outdoor adventurers, and anyone needing to master knot-tying techniques.

**Highlights:** Extensive knot library (202+ knots), Step-by-step instructions, Suitable for various uses, Practical DIY resource, Easy to follow

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knot Patron | $2.99 | per month |
| Yearly Knot Patron | $31.99 | per year |

**What reviewers like**

- 🌟 Great when free
- 👍 Clear instructions
- 📚 Comprehensive knot library
- 🔍 Easy to navigate
- 🗓️ Regularly updated

**What reviewers complain about**

- 💰 Expensive subscription model
- 🔒 Locking content behind paywall
- 🤔 Questionable business decisions
- 🏆 Devaluing previous purchases
- 🔍 Difficult to find specific knots

**Reported bugs**

- Paywall screen gets stuck
- Incompatibility with older devices

**Requested features**

- Add more aviation and climbing knots
- Provide more details on knot uses and strengths
- Allow offline access to all content


### 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 |


## Frequently asked questions

### Is Knot Guide free?

Knot Guide costs $2.99, and also offers in-app purchases.

### Is Fish Identifier free?

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

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

Knot Guide is rated higher. Knot Guide averages 4.6 out of 5 from 450 ratings, while Fish Identifier averages 3.6 from 45 ratings.

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

Fish Identifier shows ads; Knot Guide does not.

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

Knot Guide ships an update monthly, and Fish Identifier every 3 weeks. Most recently, Knot Guide was updated on September 24, 2026 and Fish Identifier on June 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.*