# SocoSIX vs MPK Transit Express

The clearest difference is iOS requirement: SocoSIX at 12.4 against MPK Transit Express's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SocoSIX ships an update monthly, MPK Transit Express every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SocoSIX | MPK Transit Express |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (69 ratings)](https://appshunter.io/ios/app/mpk-transit-express/id6741552928/reviews)** |
| Number of ratings | — | **69** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | — | Ad-supported |
| Size | 71 MB | 130 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OnSolve](https://appshunter.io/developer/1279335965) | [Via Transportation, Inc.](https://appshunter.io/developer/657777018) |

## What reviewers say

### SocoSIX

[App page](https://appshunter.io/ios/app/socosix/id6462139979)

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

**In-app purchases:** none


### MPK Transit Express

[App page](https://appshunter.io/ios/app/mpk-transit-express/id6741552928)

Book on-demand rides within Monterey Park with this smart, easy, and affordable ridesharing service. It matches you with others heading in the same direction for a convenient and efficient shared journey, reducing congestion and emissions.

**Highlights:** On-demand ride booking, Shared rides with others, Corner-to-corner pickup, Affordable fares, Reduced carbon emissions, Smart matching algorithm

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

**In-app purchases:** none


## Frequently asked questions

### Is SocoSIX free?

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

### Is MPK Transit Express free?

MPK Transit Express is free to download, with no in-app purchases.

### Do SocoSIX or MPK Transit Express have ads?

Neither SocoSIX nor MPK Transit Express shows ads.

### Which is updated more often, SocoSIX or MPK Transit Express?

SocoSIX ships an update monthly, and MPK Transit Express every 5 weeks. Most recently, SocoSIX was updated on November 3, 2026 and MPK Transit Express 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.*