# Glider Polar vs Chart Guide Pro

The clearest difference is rating: Glider Polar at 5.0 against Chart Guide Pro's 1.0. Glider Polar also leads on price ($2.99 vs $5.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Glider Polar costs $2.99 and Chart Guide Pro $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Glider Polar holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly every 21 months. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Glider Polar | Chart Guide Pro |
| --- | --- | --- |
| Price | **$2.99** | $5.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/glider-polar/id1608086488/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/chart-guide-pro/id1629309777/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | Every 21 months |
| Monetization | Paid | Paid |
| Size | 2 MB | 21 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Robert Walker](https://appshunter.io/developer/299475042) | [Gadir Mamedov](https://appshunter.io/developer/1628780398) |

## What reviewers say

### Glider Polar

[App page](https://appshunter.io/ios/app/glider-polar/id1608086488)

This app predicts glider performance by allowing users to adjust gross weight and headwind. Experienced pilots can explore the impact of water ballast on glide ratio and speed, while beginners can visualize how wind and weight affect performance.

**Highlights:** Predicts glider glide performance, Adjustable gross weight, Adjustable headwind component, Shows effect of water ballast, Illustrates wind and weight impact

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

**In-app purchases:** none


### Chart Guide Pro

[App page](https://appshunter.io/ios/app/chart-guide-pro/id1629309777)

Learn to interpret aeronautical charts with this intuitive guide. It simplifies complex aviation mapping information for pilots and enthusiasts.

**Highlights:** Understand aeronautical charts, Simplify aviation mapping, Pilot-friendly interface, Learn chart interpretation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Glider Polar free?

Glider Polar costs $2.99, with no in-app purchases.

### Is Chart Guide Pro free?

Chart Guide Pro costs $5.99, with no in-app purchases.

### Which has better reviews, Glider Polar or Chart Guide Pro?

Glider Polar is rated higher. Glider Polar averages 5.0 out of 5 from 1 ratings, while Chart Guide Pro averages 1.0 from 1 ratings.

### Do Glider Polar or Chart Guide Pro have ads?

Neither Glider Polar nor Chart Guide Pro shows ads.

### Which is updated more often, Glider Polar or Chart Guide Pro?

Glider Polar ships an update every 21 months, and Chart Guide Pro every 21 months. Most recently, Glider Polar was updated on October 25, 2026 and Chart Guide Pro on October 7, 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.*