# SBB Preview vs ZIM@SBB

The clearest difference is rating: SBB Preview at 5.0 against ZIM@SBB's 4.2. SBB Preview also leads on review sentiment (52% vs 25%) and update cadence (every 9 days vs monthly). ZIM@SBB's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and iOS requirement there is nothing between them.

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

SBB Preview holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: ZIM@SBB has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 52% of SBB Preview's written reviews are positive against 25% of ZIM@SBB's.

SBB Preview ships an update every 9 days, ZIM@SBB monthly. The most recent releases landed on September 15, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | SBB Preview | ZIM@SBB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sbb-preview/id1074833098/reviews)** | [4.2 (13 ratings)](https://appshunter.io/ios/app/zimsbb-esim-data-plans/id6469112236/reviews) |
| Number of ratings | 2 | **13** |
| Positive reviews | **52.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Ad-supported | **Free** |
| Size | 384 MB | 76 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | 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 Preview

[App page](https://appshunter.io/ios/app/sbb-preview/id1074833098)

Test the latest travel planning and ticketing features before they are released to the public. This app offers early access to new functionalities for Swiss public transport, including journey planning, ticket purchasing, and real-time travel updates.

**Highlights:** Early access to new features, Journey planning with touch timetable, Two-click ticket purchasing, Supersaver tickets and Saver Day Passes, Real-time delay and disruption notifications, Digital travelcards with SwissPass Mobile, EasyRide for automatic fare calculation

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, 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 Preview free?

SBB Preview 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 Preview or ZIM@SBB?

SBB Preview is rated higher. SBB Preview averages 5.0 out of 5 from 2 ratings, while ZIM@SBB averages 4.2 from 13 ratings.

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

SBB Preview shows ads; ZIM@SBB does not.

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

SBB Preview ships an update every 9 days, and ZIM@SBB monthly. Most recently, SBB Preview was updated on September 15, 2026 and ZIM@SBB on September 16, 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.*