# Winter OPS vs ATIS App

The clearest difference is review sentiment: ATIS App at 62% against Winter OPS's 0%. ATIS App also leads on update cadence (every 2 months vs every 8 months) and iOS requirement (13.0 vs 15.0). Winter OPS's advantage is ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Winter OPS sells 7 in-app purchases, starting at $7.49 per year and ATIS App sells 1 in-app purchase, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

Winter OPS ships an update every 8 months, ATIS App every 2 months. The most recent releases landed on September 12, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Winter OPS | ATIS App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (40 ratings)](https://appshunter.io/ios/app/atis-app/id1498344508/reviews)** |
| Number of ratings | — | **40** |
| Positive reviews | 0.0% of reviews | **61.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 65 MB | 40 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Avimont GmbH](https://appshunter.io/developer/488879220) | [iawix ltd.](https://appshunter.io/developer/1498344507) |

## What reviewers say

### Winter OPS

[App page](https://appshunter.io/ios/app/winter-ops/id488881673)

This application assists with de-icing and anti-icing procedures by providing holdover time calculations based on official guidelines. It also decodes SNOWTAMs and offers customizable alerts for approaching expiry times, aiding aviation operations in winter conditions.

**Highlights:** Holdover Time (HOT) calculations, SNOWTAM decoding, Customizable expiry time alerts, Qualified fluid information, Weather definitions, Dark mode support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 year generic Fluids (FAA) | $7.49 | per year |
| 1 year generic Fluids (EASA) | $7.49 | per year |
| 1 year generic Fluids (TC) | $7.49 | per year |
| 1 year all Fluids (FAA) | $12.49 | per year |
| 1 year all Fluids (EASA) | $12.49 | per year |
| 1 year all Fluids (TC) | $12.49 | per year |
| Decoder Enabling | $1.49 | one-time |


### ATIS App

[App page](https://appshunter.io/ios/app/atis-app/id1498344508)

Access real-time airport weather and operational information for major US airports. Receive instant notifications when critical updates are made. No account is required to view current data.

**Highlights:** Live Digital ATIS viewing, Instant push notifications, No account required, Default airport setting, Favorite airports, Extensive US airport coverage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ATIS App Ad Free Subscription | $4.99 | per year |


## Frequently asked questions

### Is Winter OPS free?

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

### Is ATIS App free?

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

### Do Winter OPS or ATIS App have ads?

ATIS App shows ads; Winter OPS does not.

### Which is updated more often, Winter OPS or ATIS App?

Winter OPS ships an update every 8 months, and ATIS App every 2 months. Most recently, Winter OPS was updated on September 12, 2026 and ATIS App on September 22, 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.*