# A/TA vs NDTA Events

The clearest difference is update cadence: A/TA at every 10 days against NDTA Events's monthly. NDTA Events's advantage is iOS requirement (13.0 vs 15.1). 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.

A/TA ships an update every 10 days, NDTA Events monthly. The most recent releases landed on October 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | A/TA | NDTA Events |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (319 ratings)](https://appshunter.io/ios/app/ndta-events/id6459050916/reviews)** |
| Number of ratings | — | **319** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | — | Free |
| Size | 24 MB | 125 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The AirliftTanker Association Inc](https://appshunter.io/developer/1483202373) | [National Defense Transportation Association](https://appshunter.io/developer/1701600920) |

## What reviewers say

### A/TA

[App page](https://appshunter.io/ios/app/ata/id1483202374)

**Features:** macOS Compatibility

**In-app purchases:** none


### NDTA Events

[App page](https://appshunter.io/ios/app/ndta-events/id6459050916)

This app provides registered attendees with essential information and interactive features for National Defense Transportation Association (NDTA) co-sponsored events. It facilitates learning about the event, engaging with sessions and other attendees, and networking with professionals.

**Highlights:** Event information access, Personalized agenda builder, Live Q&A and polls, Event wall for photo sharing, Attendee QR code scanning, Direct messaging with attendees

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is A/TA free?

A/TA is free to download, with no in-app purchases.

### Is NDTA Events free?

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

### Do A/TA or NDTA Events have ads?

Neither A/TA nor NDTA Events shows ads.

### Which is updated more often, A/TA or NDTA Events?

A/TA ships an update every 10 days, and NDTA Events monthly. Most recently, A/TA was updated on October 7, 2026 and NDTA Events on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*