# 3DCzech vs Bug & Insect Identifier

The clearest difference is update cadence: 3DCzech at every 3 weeks against Bug & Insect Identifier's every 3 months. 3DCzech also leads on iOS requirement (17.6 vs 26.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 3DCzech sells 2 one-off in-app purchases and Bug & Insect Identifier sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

3DCzech ships an update every 3 weeks, Bug & Insect Identifier every 3 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 3DCzech | Bug & Insect Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 31 MB |
| Requires iOS | **17.6** | 26.1 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Krosapp](https://appshunter.io/developer/1325787780) | [Burak Tunc](https://appshunter.io/developer/1577367931) |

## What reviewers say

### 3DCzech

[App page](https://appshunter.io/ios/app/3dczech/id6742912569)

Explore historical sites with detailed 3D models and offline access. View models from all angles, read about individual parts, and see how locations appeared in the past, even tracking your current position on historical reconstructions.

**Highlights:** Offline 3D model viewing, Interactive historical reconstructions, Detailed information on site parts, Current position tracking on historical models, View object appearance over time

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Castle Nový Hrádek | $1.99 | one-time |
| Castle Zbořený kostelec | $2.99 | one-time |


### Bug & Insect Identifier

[App page](https://appshunter.io/ios/app/bug-and-insect-identifier-petid/id6760237870)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PetID Insect Identifier Premium | $1.99 | per month |
| PetID Insect Identifier Premium | $8.99 | per year |


## Frequently asked questions

### Is 3DCzech free?

3DCzech is free to download, with in-app purchases available.

### Is Bug & Insect Identifier free?

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

### Do 3DCzech or Bug & Insect Identifier have ads?

Neither 3DCzech nor Bug & Insect Identifier shows ads.

### Which is updated more often, 3DCzech or Bug & Insect Identifier?

3DCzech ships an update every 3 weeks, and Bug & Insect Identifier every 3 months. Most recently, 3DCzech was updated on October 30, 2026 and Bug & Insect Identifier on October 31, 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.*