# Lang vs Bug Identifier

The clearest difference is in-app purchases: Lang at none against Bug Identifier's 8. Lang also leads on iOS requirement (15.6 vs 17). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Bug Identifier sells 8 in-app purchases, starting at $4.99 per 7 days. Lang asks for nothing beyond the download.

Lang ships an update every 6 weeks, Bug Identifier every 3 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Lang | Bug Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (41 ratings)](https://appshunter.io/ios/app/bug-identifier-insectai/id6743463658/reviews)** |
| Number of ratings | — | **41** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 33 MB |
| Requires iOS | **15.6** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lund University](https://appshunter.io/developer/583639460) | [Darian Macharowski](https://appshunter.io/developer/1724476291) |

## What reviewers say

### Lang

[App page](https://appshunter.io/ios/app/lang-track-app/id1500420448)

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

**In-app purchases:** none


### 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 Lang free?

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

### Is Bug Identifier free?

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

### Do Lang or Bug Identifier have ads?

Neither Lang nor Bug Identifier shows ads.

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

Lang ships an update every 6 weeks, and Bug Identifier every 3 weeks. Most recently, Lang was updated on October 5, 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.*