Big Butterfly Count vs Spider Identifier Bug Finder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Big Butterfly Count
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.
- Butterfly and moth identification guide
- Count and submit sightings
- View submitted records on a map
- Contribute to wildlife research
- 15-minute nature observation
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Take part in the UK’s annual Big Butterfly Count with this easy to use and informative app. Spend 15 minutes in nature and help butterflies at the same time. All you need to do is identify and count the relevant butterfly and moth species you spot. Then submit your sightings to help take the pulse of nature. Your records help to show how butterflies are faring in the UK. The app features a beautiful ID guide to help you identify and learn about the 21 species that are the focus of this study. You can also view all of your submitted counts and see everyone's records on the map within the app.
Spider Identifier Bug Finder
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.
- Identify insects from photos or camera
- Machine learning-based identification
- Detailed insect taxonomy
- In-depth learning resources
- Intuitive user interface
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DON'T KNOW THE NAME OF AN INSECT OR A SPIDER? With Bug identifier - Insect id, anyone can identify insects like a scientist. Just take a photo of an insect and this app will tell you exactly taxonomy of its species using machine learning technique. We only take answers from trusted professional to train our machine learning algorithm so that it can give you the best result. - Insect taxonomy Bug identifier - Insect id app gives you in-depth information about insects. Learn about an insect’s structure, appearance, evolution, species that can be confused, characteristics and so much more. FEATURES: - Instantly identify any insect from photo or camera. - High quality database. - Rich learning source about insects. - Intuitive interface easy to use. About Bug identifier - Insect id Premium: - Premium Weekly $3.99/weekly (auto-renewable) - Premium Yearly $39.99 per yearly (auto-renewable) - Subscription auto-renew at the end of subscription period, unless cancelled 24-hours in advance prior to the end of the current period. The subscription fee is charged to your iTunes account at confirmation of purchase. You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. Per Apple policy, no cancellation of the current subscription is allowed during active subscription period. Once purchased, refunds will not be provided for any unused portion of the term. Terms of use: https://sites.google.com/view/bug-identifier-insect-finder/terms-of-service Privacy policy: https://sites.google.com/view/bug-identifier-insect-finder/privacy-policy
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Big Butterfly Count | Spider Identifier Bug Finder |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (12 ratings) — better | 3.9 (88 ratings) |
| Positive reviews | 77.1% of reviews — better | 68.9% of reviews |
| Number of ratings | 12 | 88 — better |
| Update frequency | Every 5 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 57 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Butterfly Conservation Trading Ltd | Pham Thi Huyen Trang |
Customer experience
Big Butterfly Count
Spider Identifier Bug Finder
Bugs and requests
Big Butterfly Count
Not enough reviews yet to summarise bugs or requests.
Spider Identifier Bug Finder
Reported bugs
7 issues- App locks behind paywall
- Results are not accurate
- App doesn't identify bugs
- Wikipedia link doesn't work
- Photo/gallery function is backwards
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- App plays annoying music
- App goes directly to an ad with music
Requested features
4 requests- 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
In-app purchases
Big Butterfly Count
No in-app purchases
Spider Identifier Bug Finder
- Sale Premium Weekly$3.997 Days
- Premium Weekly$4.997 Days
- Sale Premium Yearly$39.991 Year
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- Premium Yearly$49.991 Year
Questions
Is Big Butterfly Count free?
Is Spider Identifier Bug Finder free?
Which has better reviews, Big Butterfly Count or Spider Identifier Bug Finder?
Do Big Butterfly Count or Spider Identifier Bug Finder have ads?
Which is updated more often, Big Butterfly Count or Spider Identifier Bug Finder?
Other comparisons
