# Röntgenveckan vs SnapBio Biology Solver

The clearest difference is in-app purchases: Röntgenveckan at none against SnapBio Biology Solver's 2. Röntgenveckan also leads on device support (3 vs 1) and iOS requirement (10.0 vs 17.6). SnapBio Biology Solver's advantage is update cadence (every 5 months vs every 11 months). On price and ads there is nothing between them.

Both are free to download. SnapBio Biology Solver sells 2 in-app purchases, starting at $2.99 per 7 days. Röntgenveckan asks for nothing beyond the download.

Röntgenveckan ships an update every 11 months, SnapBio Biology Solver every 5 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Röntgenveckan | SnapBio Biology Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 months** |
| Size | 26 MB | 14 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Malmo Kongressbyra AB](https://appshunter.io/developer/626924663) | [Lemar Systems Ltd](https://appshunter.io/developer/1812007082) |

## What reviewers say

### Röntgenveckan

[App page](https://appshunter.io/ios/app/rontgenveckan/id1225326254)

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

**In-app purchases:** none


### SnapBio Biology Solver

[App page](https://appshunter.io/ios/app/snapbio-biology-solver/id6746745845)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Trial | $2.99 | per 7 days |
| Yearly Plan | $14.99 | per year |


## Frequently asked questions

### Is Röntgenveckan free?

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

### Is SnapBio Biology Solver free?

SnapBio Biology Solver is free to download, with in-app purchases available.

### Do Röntgenveckan or SnapBio Biology Solver have ads?

Neither Röntgenveckan nor SnapBio Biology Solver shows ads.

### Which is updated more often, Röntgenveckan or SnapBio Biology Solver?

Röntgenveckan ships an update every 11 months, and SnapBio Biology Solver every 5 months. Most recently, Röntgenveckan was updated on October 29, 2026 and SnapBio Biology Solver on October 25, 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.*