# STRUCTOGRAM vs Museum Virtuell

The clearest difference is in-app purchases: STRUCTOGRAM at none against Museum Virtuell's 8. Museum Virtuell's advantage is update cadence (every 5 weeks vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Museum Virtuell sells 8 one-off in-app purchases. STRUCTOGRAM asks for nothing beyond the download.

STRUCTOGRAM ships an update every 9 months, Museum Virtuell every 5 weeks. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | STRUCTOGRAM | Museum Virtuell |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 62 MB | 86 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IBSA Institut für Biostruktur-Analysen AG](https://appshunter.io/developer/1222487681) | [Museum Virtuell GmbH](https://appshunter.io/developer/1858612848) |

## What reviewers say

### STRUCTOGRAM

[App page](https://appshunter.io/ios/app/structogram/id683979684)

Explore biostructural analysis through interactive sampling and practice. Designed for professionals, this application offers a hands-on way to engage with and understand complex analytical concepts.

**Highlights:** Biostructural analysis exploration, Interactive sampling tool, Practice for professionals, Educational resource

**Features:** macOS Compatibility

**In-app purchases:** none


### Museum Virtuell

[App page](https://appshunter.io/ios/app/museum-virtuell/id6756124731)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Museum Virtuell Tour | $1.00 | one-time |
| Museum Virtuell Tour | $4.00 | one-time |
| Museum Virtuell Tour | $7.00 | one-time |
| Museum Virtuell Tour | $9.00 | one-time |
| Museum Virtuell Tour | $14.00 | one-time |
| Museum Virtuell Tour | $18.00 | one-time |
| Museum Virtuell Tour | $22.00 | one-time |
| Museum Virtuell Tour | $45.00 | one-time |


## Frequently asked questions

### Is STRUCTOGRAM free?

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

### Is Museum Virtuell free?

Museum Virtuell is free to download, with in-app purchases available.

### Do STRUCTOGRAM or Museum Virtuell have ads?

Neither STRUCTOGRAM nor Museum Virtuell shows ads.

### Which is updated more often, STRUCTOGRAM or Museum Virtuell?

STRUCTOGRAM ships an update every 9 months, and Museum Virtuell every 5 weeks. Most recently, STRUCTOGRAM was updated on November 6, 2026 and Museum Virtuell on November 9, 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.*