# Explore Patra vs One Bus EG

The clearest difference is update cadence: One Bus EG at every 3 weeks against Explore Patra's every 12 months. Explore Patra's advantage is iOS requirement (13.0 vs 15.6). 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.

Explore Patra ships an update every 12 months, One Bus EG every 3 weeks. The most recent releases landed on September 6, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Explore Patra | One Bus EG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Size | 41 MB | 10 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Municipality of Patras](https://appshunter.io/developer/1576497776) | [Futapp For Software and Technology Development](https://appshunter.io/developer/1680213142) |

## What reviewers say

### Explore Patra

[App page](https://appshunter.io/ios/app/explore-patra/id1576497774)

**Features:** macOS Compatibility

**In-app purchases:** none


### One Bus EG

[App page](https://appshunter.io/ios/app/one-bus-eg/id6752036749)

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

**In-app purchases:** none


## Frequently asked questions

### Is Explore Patra free?

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

### Is One Bus EG free?

One Bus EG is free to download, with no in-app purchases.

### Do Explore Patra or One Bus EG have ads?

Neither Explore Patra nor One Bus EG shows ads.

### Which is updated more often, Explore Patra or One Bus EG?

Explore Patra ships an update every 12 months, and One Bus EG every 3 weeks. Most recently, Explore Patra was updated on September 6, 2026 and One Bus EG on September 13, 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.*