# Cotrap vs Chiamabus

The clearest difference is rating: Chiamabus at 5.0 against Cotrap's 1.0. Cotrap's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.7.2). On price, ratings volume, update cadence and ads there is nothing between them.

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

Chiamabus holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on June 22, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Cotrap | Chiamabus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/cotrap/id1592726995/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chiamabus/id6443809803/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 5.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | Free |
| Size | 102 MB | 81 MB |
| Requires iOS | **13.0** | 17.7.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [CONSORZIO TRASPORTI AZIENDE PUGLIESI](https://appshunter.io/developer/1622437967) | [ioki GmbH](https://appshunter.io/developer/1489448276) |

## What reviewers say

### Cotrap

[App page](https://appshunter.io/ios/app/cotrap/id1592726995)

Book bus trips, check schedules, find nearby stops, and receive real-time updates. Purchase tickets easily within the app and store them digitally for validation.

**Highlights:** Book bus trips, Check schedules and stops, Real-time updates, Digital ticket storage, Credit top-up and payment, Push notifications

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

**In-app purchases:** none


### Chiamabus

[App page](https://appshunter.io/ios/app/chiamabus/id6443809803)

Book on-demand bus trips within specific regions of Lazio, Italy. Select pickup and drop-off points, dates, and times for single or recurring journeys. Accommodates multiple passengers and wheelchair users.

**Highlights:** On-demand bus booking, Select pickup/drop-off, Single or recurring trips, Multiple passenger booking, Wheelchair accessible vehicles, Service in Rieti and Frosinone provinces

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Cotrap free?

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

### Is Chiamabus free?

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

### Which has better reviews, Cotrap or Chiamabus?

Chiamabus is rated higher. Cotrap averages 1.0 out of 5 from 1 ratings, while Chiamabus averages 5.0 from 1 ratings.

### Do Cotrap or Chiamabus have ads?

Neither Cotrap nor Chiamabus shows ads.

### Which is updated more often, Cotrap or Chiamabus?

Cotrap ships an update fortnightly, and Chiamabus fortnightly. Most recently, Cotrap was updated on June 22, 2026 and Chiamabus on September 9, 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.*