# Flex BUSIT vs Bay Transit 4U

The clearest difference is update cadence: Bay Transit 4U at weekly against Flex BUSIT's every 2 months. Bay Transit 4U also leads on iOS requirement (13.0 vs 15.0). 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.

Flex BUSIT ships an update every 2 months, Bay Transit 4U weekly. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Flex BUSIT | Bay Transit 4U |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 130 MB | 33 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Via Transportation, Inc.](https://appshunter.io/developer/657777018) | [CTS Software](https://appshunter.io/developer/1280818442) |

## What reviewers say

### Flex BUSIT

[App page](https://appshunter.io/ios/app/flex-busit/id1576344686)

On-demand transportation services are available in the Waikato region using smaller, accessible vehicles. This service offers an affordable, convenient, and safe travel option as part of the BUSIT network.

**Highlights:** On-demand rides, Accessible vehicles, Affordable fares, Convenient travel, Safe transport option

**Features:** Apple Wallet

**In-app purchases:** none


### Bay Transit 4U

[App page](https://appshunter.io/ios/app/bay-transit-4u/id6737064731)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flex BUSIT free?

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

### Is Bay Transit 4U free?

Bay Transit 4U is free to download, with no in-app purchases.

### Do Flex BUSIT or Bay Transit 4U have ads?

Neither Flex BUSIT nor Bay Transit 4U shows ads.

### Which is updated more often, Flex BUSIT or Bay Transit 4U?

Flex BUSIT ships an update every 2 months, and Bay Transit 4U weekly. Most recently, Flex BUSIT was updated on October 24, 2026 and Bay Transit 4U on October 16, 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.*