SkewTLogPro vs Bad Elf Wombat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SkewTLogPro
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.
- 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
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SkewTLogPro gives you one-touch access to powerful skew-t log-p charts. View charts using your current GPS location, airport ID code or lat/lon. Each skew-t log-p chart provides a visual indication of temperature, dew point, winds aloft, and wind speed at various altitudes, as well as Current Radar, Airmets, Sigmets, and SkewT data charted, filtered by altitude. FEATURES: • NEW! View all Sigmet/Airmet on a map and filter by altitude • NEW! View SkewT data charted on a map with altitude filtering, shows potential warnings of Icing, Wind, and Visibility • Ability to view the lifted parcel line • Support for International Airport ICAO codes • View charts along your route using 'View Route' • Support for GFS for all locations outside the continental United States (Option in Settings) • View many values such as CAPE, LI, LCL, and many other options through settings • Save charts for offline use • View Skew T Log soundings by touching a location on a map • View skew-t log(p) charts using your current GPS location, airport identifier or latitude and longitude. • Scroll forward and backward to view past and forecast charts. • History list allows easy access to previously viewed locations. • Select how many previous and forecast hours are charted • Drag on the graph to view each point value • Double-tap to zoom in for more detail on the soundings. • Great for aviators, glider pilots and weather enthusiasts. An annual subscription is required to access these graphs and to use SkewTLogPro for $12.99 per year. Cancel anytime. Please view the End User License Agreement here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Bad Elf Wombat
This free utility app works with the Bad Elf Wombat hardware accessory. It enables pilots to download aviation databases and transfer them to a USB drive or SD card. It also facilitates the collection and uploading of flight and engine logs to various aviation analysis sites.
- Download aviation databases
- Transfer data to USB/SD via Wombat accessory
- Collect flight and engine logs
- Upload logs to analysis sites
- Check hardware health
- Perform firmware updates
- Format media
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This free utility app is used in conjunction with the Bad Elf Wombat hardware accessory. This app allows pilots and operators to download aviation databases from compatible avionics websites to their iPad or iPhone via Wi-Fi or cellular. Once downloaded, the user can then connect to the Bad Elf Wombat accessory via Wi-Fi to transfer the database(s) to a USB drive or SD card. Pilots can also collect flight and engine logs from compatible avionics, and upload them to sites such as SavvyAnalysis, CirrusReports, and myTBM.aero. Logs can also be shared with 3rd party apps such as CloudAhoy, Dropbox, or the Mail app. This app also allows the user to check the health of their Wombat hardware, perform firmware updates, and format USB/SD media. Visit www.bad-elf.com/wombat to learn more about the Bad Elf Wombat accessory.
Screenshots
Verdict
The clearest difference is rating: Bad Elf Wombat at 5.0 against SkewTLogPro's 2.7. Bad Elf Wombat also leads on in-app purchases (none vs 1) and update cadence (every 4 weeks vs every 2 months). SkewTLogPro's advantage is ratings volume (97 vs 8). On price, ads and device support 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
Both are free to download. SkewTLogPro sells 1 in-app purchase, starting at $12.99 per year. Bad Elf Wombat asks for nothing beyond the download.
Bad Elf Wombat holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: SkewTLogPro has 97 ratings behind it against 8, so its average is the more settled of the two.
SkewTLogPro ships an update every 2 months, Bad Elf Wombat every 4 weeks. The most recent releases landed on September 23, 2026 and June 1, 2026 respectively.
| Parameter | SkewTLogPro | Bad Elf Wombat |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (97 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 46.7% of reviews | — |
| Number of ratings | 97 — better | 8 |
| Update frequency | Every 2 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 79 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Chad Sandstedt | Bad Elf, LLC |
Customer experience
SkewTLogPro
Bad Elf Wombat
Bugs and requests
SkewTLogPro
Reported bugs
7 issues- 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
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- Graphics appear coarse and need sharpening
- Resolution doesn't refresh when zooming in
Requested features
13 requests- 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
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- Better orientation support for iPad use in landscape mode
- More detailed in-app tutorial on reading Skew-T charts
- Integration with ForeFlight for in-flight real-time data
- Rawinsonde location map for station selection
- Display valid times and data source station on charts
- Expansion of coverage outside CONUS
- Higher resolution graphics when zoomed in
- Ability to plot current altitude and temperature like online version
Bad Elf Wombat
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SkewTLogPro
- Annual Subscription7 Days trial$12.991 Year
Bad Elf Wombat
No in-app purchases
Questions
Is SkewTLogPro free?
Is Bad Elf Wombat free?
Which has better reviews, SkewTLogPro or Bad Elf Wombat?
Do SkewTLogPro or Bad Elf Wombat have ads?
Which is updated more often, SkewTLogPro or Bad Elf Wombat?
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