# Big Butterfly Count vs Spider Identifier Bug Finder

The clearest difference is rating: Big Butterfly Count at 4.8 against Spider Identifier Bug Finder's 3.9. Big Butterfly Count also leads on in-app purchases (none vs 4) and update cadence (every 5 weeks vs every 3 months). Spider Identifier Bug Finder's advantage is ratings volume (88 vs 12). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Spider Identifier Bug Finder sells 4 in-app purchases, starting at $3.99 per 7 days. Big Butterfly Count asks for nothing beyond the download.

Big Butterfly Count holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Spider Identifier Bug Finder has 88 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 77% of Big Butterfly Count's written reviews are positive against 69% of Spider Identifier Bug Finder's.

Big Butterfly Count ships an update every 5 weeks, Spider Identifier Bug Finder every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Big Butterfly Count | Spider Identifier Bug Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/big-butterfly-count/id658158833/reviews)** | [3.9 (88 ratings)](https://appshunter.io/ios/app/spider-identifier-bug-finder/id1636835153/reviews) |
| Number of ratings | 12 | **88** |
| Positive reviews | **77.1% of reviews** | 68.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 57 MB | 80 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Butterfly Conservation Trading Ltd](https://appshunter.io/developer/658158836) | [Pham Thi Huyen Trang](https://appshunter.io/developer/1636835155) |

## What reviewers say

### Big Butterfly Count

[App page](https://appshunter.io/ios/app/big-butterfly-count/id658158833)

Participate in a national butterfly and moth survey by identifying and counting species in your local environment. Your observations contribute to understanding the health of UK wildlife. Features an identification guide and a map to view submitted sightings.

**Highlights:** Butterfly and moth identification guide, Count and submit sightings, View submitted records on a map, Contribute to wildlife research, 15-minute nature observation

**Features:** Vision Pro support

**In-app purchases:** none


### Spider Identifier Bug Finder

[App page](https://appshunter.io/ios/app/spider-identifier-bug-finder/id1636835153)

Identify unknown insects and spiders by simply taking a photo. This app uses machine learning trained by professionals to provide accurate taxonomic information and detailed insights into insect characteristics, evolution, and species.

**Highlights:** Identify insects from photos or camera, Machine learning-based identification, Detailed insect taxonomy, In-depth learning resources, Intuitive user interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sale Premium Weekly | $3.99 | per 7 days |
| Premium Weekly | $4.99 | per 7 days |
| Sale Premium Yearly | $39.99 | per year |
| Premium Yearly | $49.99 | per year |

**What reviewers like**

- 🔍 Accurate spider identification
- 👍 Easy to use
- 💡 Helpful for learning
- ✅ Works as advertised
- 🚀 Quick identification

**What reviewers complain about**

- 💸 Expensive/Paywall
- 😩 Inaccurate identification
- 🎶 Annoying music
- ❌ No description provided
- 🔗 Wikipedia link not working

**Reported bugs**

- App locks behind paywall
- Results are not accurate
- App doesn't identify bugs
- Wikipedia link doesn't work
- Photo/gallery function is backwards

**Requested features**

- Provide descriptions of spiders (venomous, aggressive, habitat, etc.)
- Allow users to disable in-app music
- Improve photo/gallery function usability
- Offer more information beyond just the scientific name


## Frequently asked questions

### Is Big Butterfly Count free?

Big Butterfly Count is free to download, with no in-app purchases.

### Is Spider Identifier Bug Finder free?

Spider Identifier Bug Finder is free to download, with in-app purchases available.

### Which has better reviews, Big Butterfly Count or Spider Identifier Bug Finder?

Big Butterfly Count is rated higher. Big Butterfly Count averages 4.8 out of 5 from 12 ratings, while Spider Identifier Bug Finder averages 3.9 from 88 ratings.

### Do Big Butterfly Count or Spider Identifier Bug Finder have ads?

Neither Big Butterfly Count nor Spider Identifier Bug Finder shows ads.

### Which is updated more often, Big Butterfly Count or Spider Identifier Bug Finder?

Big Butterfly Count ships an update every 5 weeks, and Spider Identifier Bug Finder every 3 months. Most recently, Big Butterfly Count was updated on November 1, 2026 and Spider Identifier Bug Finder on November 3, 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.*