# PredictWind Tracker vs Interpolation Calculator Pro

The clearest difference is price: PredictWind Tracker at Free against Interpolation Calculator Pro's $0.99. PredictWind Tracker also leads on iOS requirement (15.0 vs 18.5). Interpolation Calculator Pro's advantage is in-app purchases (none vs 3). On update cadence, ads and device support there is nothing between them.

PredictWind Tracker is free to download; Interpolation Calculator Pro costs $0.99 up front. PredictWind Tracker sells 3 in-app purchases, starting at $49.00 per month. Interpolation Calculator Pro asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | PredictWind Tracker | Interpolation Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/predictwind-tracker/id6480428437/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 88 MB | 18 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PredictWind Limited](https://appshunter.io/developer/477048590) | [Jose Ramos Lopez](https://appshunter.io/developer/1833254555) |

## What reviewers say

### PredictWind Tracker

[App page](https://appshunter.io/ios/app/predictwind-tracker/id6480428437)

Automatically update your personalized GPS tracking page for real-time location sharing. Ideal for boaters, it allows friends and family to monitor your position and route with weather or satellite maps. Link to add blogs and videos for a permanent record of your journey.

**Highlights:** Automatic GPS tracking updates, Real-time location sharing, Weather and satellite map overlays, Add blogs and video links, Personalized tracking page

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PredictWind Tracker 1 Month | $49.00 | per month |
| PredictWind Tracker 3 Months | $99.00 | per 3 months |
| PredictWind Tracker 12 Months | $249.00 | per year |


### Interpolation Calculator Pro

[App page](https://appshunter.io/ios/app/interpolation-calculator-pro/id6751057449)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PredictWind Tracker free?

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

### Is Interpolation Calculator Pro free?

Interpolation Calculator Pro costs $0.99, with no in-app purchases.

### Do PredictWind Tracker or Interpolation Calculator Pro have ads?

Neither PredictWind Tracker nor Interpolation Calculator Pro shows ads.

### Which is updated more often, PredictWind Tracker or Interpolation Calculator Pro?

PredictWind Tracker ships an update every 2 months, and Interpolation Calculator Pro every 2 months. Most recently, PredictWind Tracker was updated on October 5, 2026 and Interpolation Calculator Pro on October 3, 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.*