# Leps by Fieldguide vs Bug Identifier

The clearest difference is in-app purchases: Leps by Fieldguide at none against Bug Identifier's 3. Leps by Fieldguide also leads on review sentiment (82% vs 50%) and iOS requirement (9.0 vs 12.0). Bug Identifier's advantage is rating (4.7 vs 4.3) and update cadence (every 9 days vs every 4 weeks). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Bug Identifier sells 3 in-app purchases, starting at $4.99 per 7 days. Leps by Fieldguide asks for nothing beyond the download.

Bug Identifier holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 24 and 19 respectively. Written reviews complicate that: 82% of Leps by Fieldguide's written reviews are positive against 50% of Bug Identifier's, so the app with the better star average is not the one people write more warmly about.

Leps by Fieldguide ships an update every 4 weeks, Bug Identifier every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Leps by Fieldguide | Bug Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (24 ratings)](https://appshunter.io/ios/app/leps-by-fieldguide/id1167114017/reviews) | **[4.7 (19 ratings)](https://appshunter.io/ios/app/bug-identifier-insect-finder/id6477336669/reviews)** |
| Number of ratings | **24** | 19 |
| Positive reviews | **82.4% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | **Free** | Freemium |
| Size | 62 MB | 63 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Change Theory Corp](https://appshunter.io/developer/879829386) | [Adrian Grotek](https://appshunter.io/developer/1769846014) |

## What reviewers say

### Leps by Fieldguide

[App page](https://appshunter.io/ios/app/leps-by-fieldguide/id1167114017)

This app helps identify moths and butterflies from photos, records your observations, and connects you with other enthusiasts. It builds a dynamic checklist of your findings and allows you to share your collection data with the community.

**Highlights:** Photo-based species identification, Automatic observation checklist updates, Collection data sharing, Connect with other enthusiasts, Publish photos online

**Features:** macOS Compatibility

**In-app purchases:** none


### Bug Identifier

[App page](https://appshunter.io/ios/app/bug-identifier-insect-finder/id6477336669)

Instantly identify insects by taking a photo or uploading an image. Access a vast database with detailed information on thousands of species. Offers a user-friendly interface for quick and accurate insect recognition.

**Highlights:** Instant AI-powered insect identification, Identify from photo or camera, Extensive database of 7,000+ species, Detailed insect information, User-friendly interface, Ad-free premium experience

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Weekly Subscription | $9.99 | per 7 days |
| Annual Subscription | $49.99 | per year |


## Frequently asked questions

### Is Leps by Fieldguide free?

Leps by Fieldguide is free to download, with no in-app purchases.

### Is Bug Identifier free?

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

### Which has better reviews, Leps by Fieldguide or Bug Identifier?

Bug Identifier is rated higher. Leps by Fieldguide averages 4.3 out of 5 from 24 ratings, while Bug Identifier averages 4.7 from 19 ratings.

### Do Leps by Fieldguide or Bug Identifier have ads?

Neither Leps by Fieldguide nor Bug Identifier shows ads.

### Which is updated more often, Leps by Fieldguide or Bug Identifier?

Leps by Fieldguide ships an update every 4 weeks, and Bug Identifier every 9 days. Most recently, Leps by Fieldguide was updated on October 24, 2026 and Bug Identifier on October 24, 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.*