# SF Dictionary vs TrailPass

The clearest difference is ads: TrailPass at none against SF Dictionary's shown. TrailPass also leads on iOS requirement (15.1 vs 17.0). On price, 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.

## The numbers

| Metric | SF Dictionary | TrailPass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 34 MB | 28 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KineticBit Inc.](https://appshunter.io/developer/1886255149) | [Prasanna Kumar Kanchumarthi](https://appshunter.io/developer/1893134670) |

## What reviewers say

### SF Dictionary

[App page](https://appshunter.io/ios/app/sf-dictionary-cert-exam-prep/id6760790517)

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

**In-app purchases:** none


### TrailPass

[App page](https://appshunter.io/ios/app/trailpass/id6762150976)

**In-app purchases:** none


## Frequently asked questions

### Is SF Dictionary free?

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

### Is TrailPass free?

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

### Do SF Dictionary or TrailPass have ads?

SF Dictionary shows ads; TrailPass does not.

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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.*