# Outline39 vs blackcab.com (driver)

The clearest difference is update cadence: blackcab.com (driver) at every 2 weeks against Outline39's every 2 months. Outline39's advantage is iOS requirement (14.0 vs 16.0). 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.

Outline39 ships an update every 2 months, blackcab.com (driver) every 2 weeks. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Outline39 | blackcab.com (driver) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 11 MB | 144 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tecwi Engineering GmbH](https://appshunter.io/developer/1462340550) | [Black Cab Limited](https://appshunter.io/developer/1662100082) |

## What reviewers say

### Outline39

[App page](https://appshunter.io/ios/app/outline39/id1520015096)

**Features:** macOS Compatibility

**In-app purchases:** none


### blackcab.com (driver)

[App page](https://appshunter.io/ios/app/blackcabcom-driver/id6752342347)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Outline39 free?

Outline39 is free to download, with no in-app purchases.

### Is blackcab.com (driver) free?

blackcab.com (driver) is free to download, with no in-app purchases.

### Do Outline39 or blackcab.com (driver) have ads?

Neither Outline39 nor blackcab.com (driver) shows ads.

### Which is updated more often, Outline39 or blackcab.com (driver)?

Outline39 ships an update every 2 months, and blackcab.com (driver) every 2 weeks. Most recently, Outline39 was updated on September 10, 2026 and blackcab.com (driver) on September 15, 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.*