# Procabs vs Big O Taxis

The clearest difference is update cadence: Procabs at every 3 months against Big O Taxis's every 7 months. Big O Taxis's advantage is ratings volume (21 vs 3). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Procabs against 5.0 for Big O Taxis. That said, the two scores are not equally well evidenced: Big O Taxis has 21 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Procabs ships an update every 3 months, Big O Taxis every 7 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Procabs | Big O Taxis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/procabs/id601316499/reviews) | [5.0 (21 ratings)](https://appshunter.io/ios/app/big-o-taxis/id965110415/reviews) |
| Number of ratings | 3 | **21** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 253 MB | 255 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Procabs Hackney Services Ltd](https://appshunter.io/developer/1412007373) | [Big O Taxis](https://appshunter.io/developer/1544978249) |

## What reviewers say

### Procabs

[App page](https://appshunter.io/ios/app/procabs/id601316499)

Book a taxi with a leading local company. Order rides, track your vehicle in real-time, and receive status updates. Pay with cash or card, and schedule future pickups.

**Highlights:** Order a taxi, Cancel a booking, Track vehicle on map, Real-time status notifications, Cash or card payment, Schedule future pickups, Save favorite locations

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

**In-app purchases:** none


### Big O Taxis

[App page](https://appshunter.io/ios/app/big-o-taxis/id965110415)

Book a taxi quickly and easily with real-time car tracking and advance booking options. Receive notifications when your taxi is dispatched and arriving, with driver and vehicle details provided.

**Highlights:** Book taxi in seconds, Real-time car tracking on map, Advance booking (hours, days, weeks), Cancel bookings anytime, Save favorite pickup locations, Push notifications for dispatch and arrival, Driver and vehicle details provided

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Procabs free?

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

### Is Big O Taxis free?

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

### Which has better reviews, Procabs or Big O Taxis?

Procabs and Big O Taxis are both rated 5.0 out of 5 on the App Store, from 3 and 21 ratings respectively.

### Do Procabs or Big O Taxis have ads?

Neither Procabs nor Big O Taxis shows ads.

### Which is updated more often, Procabs or Big O Taxis?

Procabs ships an update every 3 months, and Big O Taxis every 7 months. Most recently, Procabs was updated on October 23, 2026 and Big O Taxis 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.*