# TRB 2025 vs VTIMobile

The clearest difference is update cadence: TRB 2025 at weekly against VTIMobile's every 2 months. VTIMobile's advantage is iOS requirement (13.0 vs 15.5). 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.

TRB 2025 ships an update weekly, VTIMobile every 2 months. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | TRB 2025 | VTIMobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/trb-2025/id6737839817/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | — |
| Size | 105 MB | 1.6 GB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [National Academy of Sciences (Apps)](https://appshunter.io/developer/648600968) | [GPI GPI](https://appshunter.io/developer/1823766919) |

## What reviewers say

### TRB 2025

[App page](https://appshunter.io/ios/app/trb-2025/id6737839817)

Access the full program for a major transportation conference, including sessions, presentations, and exhibitor information. Plan your schedule, find practical meeting details, and stay updated on news and events. Most features are available offline after initial data download.

**Highlights:** Access all sessions and presentations, Browse by day, subject, and speaker, Create personalized meeting calendar, Find exhibitor information, Offline access to conference data, View abstracts and posters

**Features:** macOS Compatibility

**In-app purchases:** none


### VTIMobile

[App page](https://appshunter.io/ios/app/vtimobile/id6747994388)

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

**In-app purchases:** none


## Frequently asked questions

### Is TRB 2025 free?

TRB 2025 is free to download, with no in-app purchases.

### Is VTIMobile free?

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

### Do TRB 2025 or VTIMobile have ads?

Neither TRB 2025 nor VTIMobile shows ads.

### Which is updated more often, TRB 2025 or VTIMobile?

TRB 2025 ships an update weekly, and VTIMobile every 2 months. Most recently, TRB 2025 was updated on October 10, 2026 and VTIMobile on October 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.*