# TWIC ADVISR vs PTAC

The clearest difference is ads: TWIC ADVISR at none against PTAC's shown. TWIC ADVISR also leads on iOS requirement (11.0 vs 14.0). On price, update cadence, 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.

TWIC ADVISR ships an update every 8 months, PTAC every 5 months. The most recent releases landed on June 1, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | TWIC ADVISR | PTAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (9 ratings)](https://appshunter.io/ios/app/twic-advisr/id1449803844/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 42 MB | 59 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kibong Lee](https://appshunter.io/developer/1439078461) | [Precision Auto Care, Inc.](https://appshunter.io/developer/1754907609) |

## What reviewers say

### TWIC ADVISR

[App page](https://appshunter.io/ios/app/twic-advisr/id1449803844)

This app verifies TWIC cards by checking their Credential Identification Number against a list of canceled numbers. It can scan barcodes or accept manual entry, then indicates if the card is canceled, expired, or valid.

**Highlights:** TWIC card verification, CIN number check, Barcode scanning, Manual CIN entry, Expiration date check, Card status indicator

**Features:** macOS Compatibility

**In-app purchases:** none


### PTAC

[App page](https://appshunter.io/ios/app/ptac/id6505050754)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TWIC ADVISR free?

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

### Is PTAC free?

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

### Do TWIC ADVISR or PTAC have ads?

PTAC shows ads; TWIC ADVISR does not.

### Which is updated more often, TWIC ADVISR or PTAC?

TWIC ADVISR ships an update every 8 months, and PTAC every 5 months. Most recently, TWIC ADVISR was updated on June 1, 2026 and PTAC on September 6, 2026.

---

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