# NB StoneApp vs Marmomac App

The clearest difference is update cadence: Marmomac App at every 10 days against NB StoneApp's every 6 months. NB StoneApp's advantage is iOS requirement (12.0 vs 18.0). 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.

NB StoneApp ships an update every 6 months, Marmomac App every 10 days. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | NB StoneApp | Marmomac App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/marmomac-app/id1478093319/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 36 MB | 71 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [AP Consulting S.r.l.](https://appshunter.io/developer/651383338) | [Veronafiere S.p.A.](https://appshunter.io/developer/427774694) |

## What reviewers say

### NB StoneApp

[App page](https://appshunter.io/ios/app/nb-stoneapp/id917667461)

**Features:** macOS Compatibility

**In-app purchases:** none


### Marmomac App

[App page](https://appshunter.io/ios/app/marmomac-app/id1478093319)

Access event information, exhibitor lists, and schedules without registration. Create a B-Card to easily exchange contact details with exhibitors and operators.

**Highlights:** Event timetables and travel info, Ticket information, Exhibition ground plan, Exhibitor directory, Real-time event schedules, B-Card for contact exchange

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

**In-app purchases:** none


## Frequently asked questions

### Is NB StoneApp free?

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

### Is Marmomac App free?

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

### Do NB StoneApp or Marmomac App have ads?

Neither NB StoneApp nor Marmomac App shows ads.

### Which is updated more often, NB StoneApp or Marmomac App?

NB StoneApp ships an update every 6 months, and Marmomac App every 10 days. Most recently, NB StoneApp was updated on September 10, 2026 and Marmomac App on September 15, 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.*