# Fully Booked vs Trident Taxis

The clearest difference is update cadence: Trident Taxis at every 3 weeks against Fully Booked's every 3 months. Fully Booked's advantage is device support (3 vs 1). On price, ads, 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.

Fully Booked ships an update every 3 months, Trident Taxis every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Fully Booked | Trident Taxis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 27 MB | 153 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Fully Booked App LTD](https://appshunter.io/developer/1711120681) | [CORE DREAM INNOVATION](https://appshunter.io/developer/1558977653) |

## What reviewers say

### Fully Booked

[App page](https://appshunter.io/ios/app/fully-booked/id6468971635)

**In-app purchases:** none


### Trident Taxis

[App page](https://appshunter.io/ios/app/trident-taxis/id6702021824)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fully Booked free?

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

### Is Trident Taxis free?

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

### Do Fully Booked or Trident Taxis have ads?

Neither Fully Booked nor Trident Taxis shows ads.

### Which is updated more often, Fully Booked or Trident Taxis?

Fully Booked ships an update every 3 months, and Trident Taxis every 3 weeks. Most recently, Fully Booked was updated on November 3, 2026 and Trident Taxis on October 30, 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.*