# BugKnow vs Treelyon

The clearest difference is in-app purchases: Treelyon at none against BugKnow's 2. Treelyon also leads on update cadence (every 3 weeks vs every 3 months). BugKnow's advantage is iOS requirement (15.1 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. BugKnow sells 2 in-app purchases, starting at $39.99 per year. Treelyon asks for nothing beyond the download.

BugKnow ships an update every 3 months, Treelyon every 3 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | BugKnow | Treelyon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15 ratings)](https://appshunter.io/ios/app/bugknow-bug-identifier/id6773239750/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 140 MB | 8 MB |
| Requires iOS | **15.1** | 17 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SenseWake Limited](https://appshunter.io/developer/1857548431) | [Treelyon](https://appshunter.io/developer/6775523519) |

## What reviewers say

### BugKnow

[App page](https://appshunter.io/ios/app/bugknow-bug-identifier/id6773239750)

Instantly identify insects, spiders, and other arthropods with a photo. Get detailed species profiles, check bites, assess pest severity, and build a personal bug collection. Connect with a community for identification help.

**Highlights:** Instant bug identification via photo, Detailed species profiles, Bite and sting reference checker, Pest severity assessment, Personal bug collection, Community identification help

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bugknow Annual Plan | $39.99 | per year |
| BugKnow VIP Annual | $39.99 | per year |


### Treelyon

[App page](https://appshunter.io/ios/app/treelyon/id6775523517)

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

**In-app purchases:** none


## Frequently asked questions

### Is BugKnow free?

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

### Is Treelyon free?

Treelyon is free to download, with no in-app purchases.

### Do BugKnow or Treelyon have ads?

Neither BugKnow nor Treelyon shows ads.

### Which is updated more often, BugKnow or Treelyon?

BugKnow ships an update every 3 months, and Treelyon every 3 weeks. Most recently, BugKnow was updated on October 7, 2026 and Treelyon on October 6, 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.*