Comparison

Glider Polar vs Chart Guide Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Glider Polar

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
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Glider Polar predicts the glide performance of any glider. The user can vary the glider's gross weight and headwind component and immediately see the effect on glider performance. Experienced pilots can use the app to see how water ballast affects the glide ratio and cruise speed. For those new to gliding, the app clearly illustrates the effect of wind and weight on performance.

About

Chart Guide Pro

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
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Chart Guide Pro is an easy way to understand how to use aeronautical charts

Screenshots

Glider Polar3 screens
Chart Guide Pro1 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard2 real differences · 7 level
Glider Polar versus Chart Guide Pro: the parameters behind the verdict, then further details
ParameterGlider PolarChart Guide Pro
Price$2.99 — better$5.99
Rating5.0 (1 ratings) — better1.0 (1 ratings)
Number of ratings11
Update frequencyEvery 21 monthsEvery 21 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.215.0 — better
Further details — not scored
Size2 MB21 MB
Age rating4+17+
DeveloperRobert WalkerGadir Mamedov

In-app purchases

None

Glider Polar

No in-app purchases

None

Chart Guide Pro

No in-app purchases

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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