# Flexiroute Passenger App vs Ostrum

Flexiroute Passenger App and Ostrum are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Flexiroute Passenger App ships an update every 3 weeks, Ostrum every 6 weeks. The most recent releases landed on September 18, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | Flexiroute Passenger App | Ostrum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 16 MB | 57 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flexiroute](https://appshunter.io/developer/1583928255) | [Ostrum Tech Limited](https://appshunter.io/developer/1596744681) |

## What reviewers say

### Flexiroute Passenger App

[App page](https://appshunter.io/ios/app/flexiroute-passenger-app/id1583928253)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ostrum

[App page](https://appshunter.io/ios/app/ostrum/id6447539444)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flexiroute Passenger App free?

Flexiroute Passenger App is free to download, with no in-app purchases.

### Is Ostrum free?

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

### Do Flexiroute Passenger App or Ostrum have ads?

Neither Flexiroute Passenger App nor Ostrum shows ads.

### Which is updated more often, Flexiroute Passenger App or Ostrum?

Flexiroute Passenger App ships an update every 3 weeks, and Ostrum every 6 weeks. Most recently, Flexiroute Passenger App was updated on September 18, 2026 and Ostrum on August 17, 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.*