# SNCB Lab vs Topoferrarisviewer

The clearest difference is update cadence: Topoferrarisviewer at every 3 days against SNCB Lab's every 2 months. SNCB Lab's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SNCB Lab ships an update every 2 months, Topoferrarisviewer every 3 days. The most recent releases landed on September 9, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | SNCB Lab | Topoferrarisviewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 89 MB | 105 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NMBS / SNCB](https://appshunter.io/developer/403212067) | [NGI-IGN National Geograhical Institute of Belgium](https://appshunter.io/developer/1841414856) |

## What reviewers say

### SNCB Lab

[App page](https://appshunter.io/ios/app/sncb-lab/id1622811565)

**Features:** Vision Pro support

**In-app purchases:** none


### Topoferrarisviewer

[App page](https://appshunter.io/ios/app/topoferrarisviewer/id6763033064)

Explore historical Belgian landscapes with this app. View the 1777 Ferraris Cabinet Map and compare it with various topographic maps from different periods over the past 250 years. Discover how the terrain has changed and follow suggested walking routes or import your own GPX tracks.

**Highlights:** View 1777 Ferraris Cabinet Map, Compare historical topographic maps, 8 map layers from different periods, Follow walking suggestions, Import GPX tracks

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

**In-app purchases:** none


## Frequently asked questions

### Is SNCB Lab free?

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

### Is Topoferrarisviewer free?

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

### Do SNCB Lab or Topoferrarisviewer have ads?

Neither SNCB Lab nor Topoferrarisviewer shows ads.

### Which is updated more often, SNCB Lab or Topoferrarisviewer?

SNCB Lab ships an update every 2 months, and Topoferrarisviewer every 3 days. Most recently, SNCB Lab was updated on September 9, 2026 and Topoferrarisviewer on September 7, 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.*