# NAC AD vs AirHint

The clearest difference is in-app purchases: NAC AD at none against AirHint's 1. NAC AD also leads on iOS requirement (13.0 vs 15.6). AirHint's advantage is device support. On price there is nothing between them.

Both are free to download. AirHint sells 1 one-off in-app purchase. NAC AD asks for nothing beyond the download.

## The numbers

| Metric | NAC AD | AirHint |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (324 ratings)](https://appshunter.io/ios/app/airhint/id6754238703/reviews)** |
| Number of ratings | — | **324** |
| Positive reviews | — | 69.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 months |
| Monetization | — | Free |
| Size | 3 MB | 32 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Carol Rives](https://appshunter.io/developer/884769457) | [Favencia OU](https://appshunter.io/developer/1847313286) |

## What reviewers say

### NAC AD

[App page](https://appshunter.io/ios/app/nac-ad/id6469359672)

**In-app purchases:** none


### AirHint

[App page](https://appshunter.io/ios/app/airhint/id6754238703)

This app analyzes flight history and uses AI to predict airfare movements, advising you on the best time to book. Track specific routes and dates, and receive instant alerts for price changes or optimal booking windows.

**Highlights:** AI-powered flight price predictions, Flight price tracking for routes and dates, Instant price change alerts, Cheap flight deal discovery, Airline-specific prediction models

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Priority Alert | $3.99 | one-time |


## Frequently asked questions

### Is NAC AD free?

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

### Is AirHint free?

AirHint is free to download, with in-app purchases available.

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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.*