# Audubon Bird Guide vs Net Knots

The clearest difference is price: Audubon Bird Guide at Free against Net Knots's $3.99. Audubon Bird Guide also leads on update cadence (every 3 weeks vs every 12 months) and ratings volume (4.5K vs 10). Net Knots's advantage is review sentiment (100% vs 64%) and ads (none vs shown). On in-app purchases and device support there is nothing between them.

Audubon Bird Guide is free to download; Net Knots costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Net Knots holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Audubon Bird Guide has 4.5K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 64% of Audubon Bird Guide's written reviews are positive against 100% of Net Knots's.

Audubon Bird Guide ships an update every 3 weeks, Net Knots every 12 months. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Audubon Bird Guide | Net Knots |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [4.3 (4.5K ratings)](https://appshunter.io/ios/app/audubon-bird-guide/id333227386/reviews) | **[4.6 (10 ratings)](https://appshunter.io/ios/app/net-knots/id1157303697/reviews)** |
| Number of ratings | **4.5K** | 10 |
| Positive reviews | 64.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 355 MB | 152 MB |
| Requires iOS | 16.6 | **11.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [National Audubon Society](https://appshunter.io/developer/1007642225) | [PRO-KNOT](https://appshunter.io/developer/1828365702) |

## What reviewers say

### Audubon Bird Guide

[App page](https://appshunter.io/ios/app/audubon-bird-guide/id333227386)

Identify North American birds with this comprehensive field guide. Features include a bird ID tool based on observations, detailed species information with photos and audio, and a personal sightings log. Discover nearby birding locations and connect with conservation efforts.

**Highlights:** Bird identification tool, Detailed species profiles, Bird song and call audio, Sightings log and life list, Nearby birding hotspots, Photo sharing

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app
- 👍 Easy to use
- 🔍 Helpful for identifying birds
- 🎶 Useful bird calls and sounds
- 📍 Provides location-based bird sightings

**What reviewers complain about**

- 🐛 Buggy and crashes
- 🔄 Confusing interface changes
- 🔒 Requires account creation
- 📍 Limited location-based features
- 🗺️ Outdated or incomplete range maps

**Reported bugs**

- Crashes when opening settings
- Incorrect sighting location recording
- Unreliable login and account features
- Compatibility issues with newer devices
- Syncing and data loss problems

**Requested features**

- Add photo ID and sound ID features
- Improve location-based bird sightings
- Expand coverage to more regions/countries
- Allow offline access to field guide
- Provide more detailed bird information


### Net Knots

[App page](https://appshunter.io/ios/app/net-knots/id1157303697)

This app provides a comprehensive digital library of rope and fishing knots with detailed animations and instructions. It's a self-contained reference tool, requiring no internet connection and free of ads or in-app purchases.

**Highlights:** 114 Rope Knots, 72 Fishing Knots, 213 total unique knots, Animated knot tying, Detailed static illustrations, Browse by category or use, Save favorite knots, Search functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Audubon Bird Guide free?

Audubon Bird Guide is free to download, with no in-app purchases.

### Is Net Knots free?

Net Knots costs $3.99, with no in-app purchases.

### Which has better reviews, Audubon Bird Guide or Net Knots?

Net Knots is rated higher. Audubon Bird Guide averages 4.3 out of 5 from 4.5K ratings, while Net Knots averages 4.6 from 10 ratings.

### Do Audubon Bird Guide or Net Knots have ads?

Audubon Bird Guide shows ads; Net Knots does not.

### Which is updated more often, Audubon Bird Guide or Net Knots?

Audubon Bird Guide ships an update every 3 weeks, and Net Knots every 12 months. Most recently, Audubon Bird Guide was updated on October 27, 2026 and Net Knots on October 26, 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.*