# SkewTLogPro vs C182 Performance

The clearest difference is rating: C182 Performance at 4.3 against SkewTLogPro's 2.7. C182 Performance also leads on review sentiment (83% vs 47%) and in-app purchases (none vs 1). SkewTLogPro's advantage is ratings volume (97 vs 10). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SkewTLogPro sells 1 in-app purchase, starting at $12.99 per year. C182 Performance asks for nothing beyond the download.

C182 Performance holds the better App Store score, 4.3 against 2.7. That said, the two scores are not equally well evidenced: SkewTLogPro has 97 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 47% of SkewTLogPro's written reviews are positive against 83% of C182 Performance's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SkewTLogPro | C182 Performance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (97 ratings)](https://appshunter.io/ios/app/skewtlogpro/id522720710/reviews) | **[4.3 (10 ratings)](https://appshunter.io/ios/app/c182-performance/id1483297921/reviews)** |
| Number of ratings | **97** | 10 |
| Positive reviews | 46.7% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Subscription | **Ad-supported** |
| Size | 79 MB | 12 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chad Sandstedt](https://appshunter.io/developer/522720713) | [POH Performance L.L.C.](https://appshunter.io/developer/641403529) |

## What reviewers say

### SkewTLogPro

[App page](https://appshunter.io/ios/app/skewtlogpro/id522720710)

Access powerful skew-t log-p charts with one touch. View atmospheric data like temperature, dew point, and winds aloft at various altitudes. Supports current GPS location, airport codes, or lat/lon for detailed weather analysis.

**Highlights:** One-touch skew-t log-p chart access, View charts by GPS, airport ID, or lat/lon, Visual indication of temperature, dew point, winds aloft, Support for International Airport ICAO codes, View charts along your route, Save charts for offline use, Scroll forward/backward for past and forecast charts

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $12.99 | per year |

**What reviewers like**

- 📊 Excellent tool for flight planning and weather analysis
- ☁️ Accurate cloud top and bottom predictions
- ❄️ Helpful for identifying icing conditions and freezing levels
- 🎯 Comprehensive atmospheric information in one app
- 👨‍✈️ Essential resource for pilots and weather enthusiasts

**What reviewers complain about**

- 💰 Sudden switch to subscription model for existing paid users
- 🚫 No grandfathering or refunds for previous purchasers
- ⏸️ Extended downtime when data source became unavailable
- 📵 App becomes completely non-functional without subscription
- 💸 High annual subscription fee ($13/year) relative to competitors

**Reported bugs**

- App crashes when selecting locations
- Data timeout errors after updates
- App becomes non-functional when data source API changes
- Slow performance and lag when flipping through hourly forecasts on iPad
- Crashes when manually changing parameters on iPad

**Requested features**

- Interactive charts like rucsoundings with exact value selection
- Extended forecast range beyond 18 hours using GFS data
- Remember last input locations for route planning
- Display CAPE, LFC, EL, and adiabatic lines graphically on chart
- Show weather model being used in the app


### C182 Performance

[App page](https://appshunter.io/ios/app/c182-performance/id1483297921)

This app calculates essential flight performance data for Cessna 182 and some Cessna 210 models. It covers takeoff, landing, climb, cruise, descent, and emergency procedures, along with an interactive hold calculator and risk analysis tool. Cloud sync ensures your flight plans are available across devices.

**Highlights:** Flight performance calculations, Takeoff and landing data, Climb and cruise performance, Instrument procedure calculations, Emergency performance data, Interactive hold calculator, Risk analysis tool

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

**In-app purchases:** none


## Frequently asked questions

### Is SkewTLogPro free?

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

### Is C182 Performance free?

C182 Performance is free to download, with no in-app purchases.

### Which has better reviews, SkewTLogPro or C182 Performance?

C182 Performance is rated higher. SkewTLogPro averages 2.7 out of 5 from 97 ratings, while C182 Performance averages 4.3 from 10 ratings.

### Do SkewTLogPro or C182 Performance have ads?

Neither SkewTLogPro nor C182 Performance shows ads.

### Which is updated more often, SkewTLogPro or C182 Performance?

SkewTLogPro ships an update every 2 months, and C182 Performance every 2 months. Most recently, SkewTLogPro was updated on September 23, 2026 and C182 Performance on September 19, 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.*