# SBB FreeSurf vs ZIM@SBB

The clearest difference is rating: ZIM@SBB at 4.0 against SBB FreeSurf's 1.2. ZIM@SBB also leads on review sentiment (25% vs 3%) and update cadence (monthly vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

ZIM@SBB holds the better App Store score, 4.0 against 1.2. Both are backed by a comparable volume of ratings — 41 and 14 respectively. Written reviews point the same way: 3% of SBB FreeSurf's written reviews are positive against 25% of ZIM@SBB's.

SBB FreeSurf ships an update every 3 months, ZIM@SBB monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | SBB FreeSurf | ZIM@SBB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.2 (41 ratings)](https://appshunter.io/ios/app/sbb-freesurf/id1437409619/reviews) | **[4.0 (14 ratings)](https://appshunter.io/ios/app/zimsbb-esim-data-plans/id6469112236/reviews)** |
| Number of ratings | **41** | 14 |
| Positive reviews | 3.4% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 53 MB | 76 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SBB](https://appshunter.io/developer/294855240) | [ZIM Connections Ltd.](https://appshunter.io/developer/1611244476) |

## What reviewers say

### SBB FreeSurf

[App page](https://appshunter.io/ios/app/sbb-freesurf/id1437409619)

Access free internet on SBB long-distance trains. This app leverages strong mobile coverage for a faster connection than traditional train Wi-Fi. It's available for customers with specific Swiss mobile contracts and international travelers with participating SIM cards.

**Highlights:** Free internet access on SBB trains, Faster and smoother connection, Utilizes mobile phone coverage, Automatic recognition via beacon, SMS confirmation for registration

**Features:** Vision Pro support

**In-app purchases:** none


### ZIM@SBB

[App page](https://appshunter.io/ios/app/zimsbb-esim-data-plans/id6469112236)

This app provides travelers with a seamless digital SIM experience for mobile connectivity in over 200 destinations. It offers affordable data plans without roaming charges, using innovative eSIM technology for easy activation and reliable global network access.

**Highlights:** eSIM data plans for 200+ destinations, No roaming charges, Affordable plans starting at CHF 2, 24/7 live chat support, Multi-network connectivity, Easy app-based activation

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

**In-app purchases:** none


## Frequently asked questions

### Is SBB FreeSurf free?

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

### Is ZIM@SBB free?

ZIM@SBB is free to download, with no in-app purchases.

### Which has better reviews, SBB FreeSurf or ZIM@SBB?

ZIM@SBB is rated higher. SBB FreeSurf averages 1.2 out of 5 from 41 ratings, while ZIM@SBB averages 4.0 from 14 ratings.

### Do SBB FreeSurf or ZIM@SBB have ads?

Neither SBB FreeSurf nor ZIM@SBB shows ads.

### Which is updated more often, SBB FreeSurf or ZIM@SBB?

SBB FreeSurf ships an update every 3 months, and ZIM@SBB monthly. Most recently, SBB FreeSurf was updated on October 24, 2026 and ZIM@SBB on October 24, 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.*