# TXTA vs NDASA

The clearest difference is update cadence: TXTA at every 2 months against NDASA's every 4 months. TXTA also leads on iOS requirement (13.4 vs 17.0). 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.

TXTA ships an update every 2 months, NDASA every 4 months. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | TXTA | NDASA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 53 MB | 64 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Texas Trucking Association](https://appshunter.io/developer/1438088807) | [National Drug and Alcohol Screening Association](https://appshunter.io/developer/1500796299) |

## What reviewers say

### TXTA

[App page](https://appshunter.io/ios/app/txta/id1438088808)

**Features:** macOS Compatibility

**In-app purchases:** none


### NDASA

[App page](https://appshunter.io/ios/app/ndasa/id6762011103)

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

**In-app purchases:** none


## Frequently asked questions

### Is TXTA free?

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

### Is NDASA free?

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

### Do TXTA or NDASA have ads?

Neither TXTA nor NDASA shows ads.

### Which is updated more often, TXTA or NDASA?

TXTA ships an update every 2 months, and NDASA every 4 months. Most recently, TXTA was updated on October 1, 2026 and NDASA 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.*