# HF Weather Fax vs PredictWind

The clearest difference is price: PredictWind at Free against HF Weather Fax's $3.99. PredictWind also leads on rating (4.8 vs 3.7) and update cadence (every 9 days vs every 7 months). HF Weather Fax's advantage is in-app purchases (none vs 16) and iOS requirement (6.0 vs 15.5). On ads and device support there is nothing between them.

PredictWind is free to download; HF Weather Fax costs $3.99 up front. PredictWind sells 16 in-app purchases, starting at $6.99 per month. HF Weather Fax asks for nothing beyond the download.

PredictWind holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: PredictWind has 33K ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 73% of HF Weather Fax's written reviews are positive against 84% of PredictWind's.

HF Weather Fax ships an update every 7 months, PredictWind every 9 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HF Weather Fax | PredictWind |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.7 (18 ratings)](https://appshunter.io/ios/app/hf-weather-fax/id394199597/reviews) | **[4.8 (33K ratings)](https://appshunter.io/ios/app/predictwind-marine-forecasts/id477048487/reviews)** |
| Number of ratings | 18 | **33K** |
| Positive reviews | 72.5% of reviews | **84.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | #67 | **#19** |
| Size | 2 MB | 40 MB |
| Requires iOS | **6.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Black Cat Systems](https://appshunter.io/developer/301047032) | [PredictWind Limited](https://appshunter.io/developer/477048590) |

## What reviewers say

### HF Weather Fax

[App page](https://appshunter.io/ios/app/hf-weather-fax/id394199597)

**Currently charting:** #67 Top Paid · Weather (US App Store)

Receive marine weather radiofacsimile transmissions using your device's audio input. View and save weather charts without an internet connection. Includes NOAA/NWS schedules for easy tuning.

**Highlights:** Receive weather fax transmissions, Works with HF marine radio audio, Save received fax images, Export images via iTunes, Built-in NOAA/NWS schedule, Download latest schedule

**Features:** Vision Pro support

**In-app purchases:** none


### PredictWind

[App page](https://appshunter.io/ios/app/predictwind-marine-forecasts/id477048487)

**Currently charting:** #19 Top Grossing · Weather, #52 Top Free · Weather (US App Store)

Get accurate marine weather forecasts and powerful tools for wind, waves, and currents. Plan your trips with routing and departure planning features, and stay informed with live observations and alerts. Ideal for all marine activities.

**Highlights:** Accurate marine weather forecasts, Wind, wave, and current data, Weather routing and departure planning, High-resolution marine weather maps, Live wind observations and webcams, Weather alerts

**Features:** Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic - Monthly | $6.99 | per month |
| Basic - 3 Monthly | $12.00 | per 3 months |
| Basic - 3 Monthly | $12.00 | per 3 months |
| Basic - Annual | $29.00 | per year |
| Standard - Monthly | $49.00 | per month |
| Standard - 3 Monthly | $99.00 | per 3 months |
| Professional - Monthly | $99.00 | per month |
| Standard - 3 Monthly | $99.00 | per 3 months |
| Standard - Annual | $249.00 | per year |
| Professional - 3 Monthly | $249.00 | per 3 months |
| Professional - Annual | $499.00 | per year |
| Basic Subscription, 1 Month | $3.99 | one-time |
| Basic Subscription, 3 Months | $11.99 | one-time |
| Basic Subscription, 12 Months | $28.99 | one-time |
| Standard Subscription, 1 Month | $48.99 | one-time |
| Professional Subscription, 1 Month | $99.99 | one-time |

**What reviewers like**

- 👍 Accurate weather forecasts
- 🚀 Comprehensive data and features
- 💡 Useful for sailing, fishing, and other outdoor activities
- 👍 Easy to use and navigate
- 🚀 Reliable and dependable

**What reviewers complain about**

- 🐛 Occasional inaccuracies in weather predictions
- 💰 Expensive subscription costs
- 🔒 Difficult to cancel subscription
- 🔒 Locked into using proprietary hardware and services
- 🔒 Limited free features

**Reported bugs**

- App crashes or freezes on some devices
- Inconsistent performance across different locations
- Subscription issues and billing problems

**Requested features**

- Improved integration with other apps and charts
- More frequent weather model updates
- Earlier weather forecast updates
- Ability to customize alert settings
- Improved offline functionality


## Frequently asked questions

### Is HF Weather Fax free?

HF Weather Fax costs $3.99, with no in-app purchases.

### Is PredictWind free?

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

### Which has better reviews, HF Weather Fax or PredictWind?

PredictWind is rated higher. HF Weather Fax averages 3.7 out of 5 from 18 ratings, while PredictWind averages 4.8 from 33K ratings.

### Do HF Weather Fax or PredictWind have ads?

Neither HF Weather Fax nor PredictWind shows ads.

### Which is updated more often, HF Weather Fax or PredictWind?

HF Weather Fax ships an update every 7 months, and PredictWind every 9 days. Most recently, HF Weather Fax was updated on October 29, 2026 and PredictWind on October 31, 2026.

### Which is more popular, HF Weather Fax or PredictWind?

HF Weather Fax currently peaks at #67 in the App Store charts, and PredictWind at #19. Chart position reflects recent download velocity rather than total install base.

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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.*