# SmartRez Booking vs Keys Shuttle Express

The clearest difference is update cadence: Keys Shuttle Express at every 3 days against SmartRez Booking's every 3 weeks. Keys Shuttle Express also leads on iOS requirement (13.4 vs 16.4). 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.

SmartRez Booking ships an update every 3 weeks, Keys Shuttle Express every 3 days. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SmartRez Booking | Keys Shuttle Express |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keys-shuttle-express/id6738507398/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Free |
| Size | 124 MB | 25 MB |
| Requires iOS | 16.4 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Monologix, Inc.](https://appshunter.io/developer/423510318) | [Booking Tool, LLC](https://appshunter.io/developer/790082627) |

## What reviewers say

### SmartRez Booking

[App page](https://appshunter.io/ios/app/smartrez-booking/id6469693119)

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

**In-app purchases:** none


### Keys Shuttle Express

[App page](https://appshunter.io/ios/app/keys-shuttle-express/id6738507398)

This app simplifies travel to and within the Florida Keys. It provides shuttle services connecting major airports and popular destinations like Key West and Key Largo. Enjoy easy transportation for vacations, events, and exploring the beautiful Keys.

**Highlights:** Airport shuttle services, Key West transportation, Florida Keys travel, Event transportation, Vacation travel, Easy booking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartRez Booking free?

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

### Is Keys Shuttle Express free?

Keys Shuttle Express is free to download, with no in-app purchases.

### Do SmartRez Booking or Keys Shuttle Express have ads?

Neither SmartRez Booking nor Keys Shuttle Express shows ads.

### Which is updated more often, SmartRez Booking or Keys Shuttle Express?

SmartRez Booking ships an update every 3 weeks, and Keys Shuttle Express every 3 days. Most recently, SmartRez Booking was updated on October 8, 2026 and Keys Shuttle Express on October 14, 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.*