# BWP vs ButterflyCount

The clearest difference is price: ButterflyCount at Free against BWP's $35.99. ButterflyCount also leads on review sentiment (100% vs 64%). On update cadence, ads, in-app purchases and device support there is nothing between them.

ButterflyCount is free to download; BWP costs $35.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BWP ships an update every 2 months, ButterflyCount monthly. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | BWP | ButterflyCount |
| --- | --- | --- |
| Price | $35.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bwp/id1451326170/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 64.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 3.3 GB | 139 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NatureGuides Ltd.](https://appshunter.io/developer/310574314) | [Centre for Ecology and Hydrology](https://appshunter.io/developer/986306797) |

## What reviewers say

### BWP

[App page](https://appshunter.io/ios/app/bwp/id1451326170)

This comprehensive reference app provides detailed information on birds of the Western Palearctic. It features extensive data on species, including field characters, habitat, breeding, and behavior, enhanced with illustrations, songs, videos, and maps.

**Highlights:** 1,056 species covered, 5,473 illustrations, 1,066 songs and calls, 916 videos, 643 distribution maps, Updated taxonomy and new species

**Features:** Vision Pro support

**In-app purchases:** none


### ButterflyCount

[App page](https://appshunter.io/ios/app/butterflycount/id1461711373)

Contribute to butterfly conservation by recording species sightings and counts with location data. This free app makes it easy to track observations and share data for scientific research and conservation efforts.

**Highlights:** Record butterfly species and counts, Add location data via map or GPS, Support observations with photos, Works fully offline, Global butterfly species lists, Customized country checklists, Contribute to scientific research

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

**In-app purchases:** none


## Frequently asked questions

### Is BWP free?

BWP costs $35.99, with no in-app purchases.

### Is ButterflyCount free?

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

### Do BWP or ButterflyCount have ads?

Neither BWP nor ButterflyCount shows ads.

### Which is updated more often, BWP or ButterflyCount?

BWP ships an update every 2 months, and ButterflyCount monthly. Most recently, BWP was updated on October 13, 2026 and ButterflyCount on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*