# Caterpillar Identifier vs Bug Identifier

The clearest difference is review sentiment: Bug Identifier at 100% against Caterpillar Identifier's 0%. Bug Identifier also leads on rating (4.9 vs 2.6) and monetization model (free with in-app purchases vs subscription). Caterpillar Identifier's advantage is iOS requirement (13.0 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Caterpillar Identifier sells 1 in-app purchase, starting at $9.99 per month and Bug Identifier sells 8 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Bug Identifier holds the better App Store score, 4.9 against 2.6. Both are backed by a comparable volume of ratings — 9 and 41 respectively. Written reviews point the same way: 0% of Caterpillar Identifier's written reviews are positive against 100% of Bug Identifier's.

Caterpillar Identifier ships an update every 2 months, Bug Identifier every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Caterpillar Identifier | Bug Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (9 ratings)](https://appshunter.io/ios/app/caterpillar-identifier/id1642311954/reviews) | **[4.9 (41 ratings)](https://appshunter.io/ios/app/bug-identifier-insectai/id6743463658/reviews)** |
| Number of ratings | 9 | **41** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 7 MB | 33 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tolkyn Raimbayeva](https://appshunter.io/developer/1692087944) | [Darian Macharowski](https://appshunter.io/developer/1724476291) |

## What reviewers say

### Caterpillar Identifier

[App page](https://appshunter.io/ios/app/caterpillar-identifier/id1642311954)

Instantly identify caterpillars from photos with high accuracy using a large database. Subscribe for full access to this identification tool. Cancel anytime.

**Highlights:** Instant photo processing, High accuracy identification, Extensive caterpillar database, Subscription for full access, Cancel anytime subscription

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caterpillar ID Full Access | $9.99 | per month |


### Bug Identifier

[App page](https://appshunter.io/ios/app/bug-identifier-insectai/id6743463658)

Instantly identify insects and spiders by snapping a photo. Access detailed information about species, habitats, and life cycles. Build a digital collection of your discoveries.

**Highlights:** Instant insect and spider recognition, 96.5% identification accuracy, Detailed species information, Digital insect collection, Easy-to-use interface

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $4.99 | per 7 days |
| Pro (Weekly) | $7.99 | per 7 days |
| Pro (Weekly) | $9.99 | per 7 days |
| Pro (Annual) | $24.99 | per year |
| Pro (Annual) | $29.99 | per year |
| Lifetime | Free | one-time |
| Unlock Lifetime Access | $29.99 | one-time |
| Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Caterpillar Identifier free?

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

### Is Bug Identifier free?

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

### Which has better reviews, Caterpillar Identifier or Bug Identifier?

Bug Identifier is rated higher. Caterpillar Identifier averages 2.6 out of 5 from 9 ratings, while Bug Identifier averages 4.9 from 41 ratings.

### Do Caterpillar Identifier or Bug Identifier have ads?

Neither Caterpillar Identifier nor Bug Identifier shows ads.

### Which is updated more often, Caterpillar Identifier or Bug Identifier?

Caterpillar Identifier ships an update every 2 months, and Bug Identifier every 3 weeks. Most recently, Caterpillar Identifier was updated on October 23, 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.*