Barometer + Altimeter vs Flowx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Barometer + Altimeter
This app provides accurate barometric pressure and altitude readings for your device. It's designed to work with specific iPhone and iPad models, offering a straightforward tool for weather enthusiasts and hikers.
- Barometric pressure readings
- Altitude measurements
- Supports iPhone 6 and 6+
- Supports iPad Air 2 and mini 3
- Free to download
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Best barometer and altimeter for iPhone 6, iPhone 6+, iPad Air 2 and iPad mini 3!
Flowx
Visualize weather forecasts with interactive maps and graphs. Compare multiple data models and customize your view for aviation, outdoor activities, or storm tracking. Offers offline use with no ads or tracking.
- Interactive forecast map with swipe control
- Multiple weather data types and forecast models
- Detailed weather graphs with comparison function
- Global and regional forecast models
- Offline use
- No ads or tracking
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Visualize the forecast with the unique Flowx weather map and graphs. Get superior user experience with all your data on one screen, finger swipe control, multiple data types and forecast models, and absolutely no ads, no tracking. Use Flowx to plan around the weather, for aviation, fishing, sailing, surfing, cycling, hiking, photography, storm tracking or anyone interested in the weather. The advantage of Flowx is the ability to easily compare models to understand the weather and what it means for you. Customize your data options and visuals to your preference. User Experience ============ Map Use finger swipe to control the forecast animation over time. Choose multiple data layers to display on the map, and easily switch between models. Graphs View the week’s weather forecast data at a glance. Choose from a selection of graphs and use the compare function to view all data sources at once. Features GFS, GDPS and ECMWF global forecast models, updated 4 times daily. Plus global waves, air quality and UV index models, ocean data, storm/hurricane tracks, sun/moon-rise/set and USA high-res smoke. Offline use, no ads, no tracking, minimal permissions. Pro Version ======== Gold Subscription includes: • Additional global models and high-resolution data for North America, South America & Europe • Up to 16-day forecast and 3-day history • Radar Reflectivity for USA - NOAA NAM & HRRR • Graph Editor and other customization options Note: payment is required to access pro version subscription features. Data Sources ========== Free Data Sources: • NOAA GFS and Waves - Global • CMC GDPS and GDWPS Waves - Global • ECMWF IFS 25km - Global • NOAA HRRR Smoke Data - Continental USA • NOAA RTOFS Ocean Model - Global • CAMS Air Quality/UV Index - Global • Storm/Hurricane Tracks (NOAA & CMC) - Global tropical storms • Sunrise/set and Moonrise/set Pro Data Sources: • Free sources plus • DWD ICON - Global • ECMWF AIFS - Global • UKMO 10km - Global • UKMO 2km - UK, Ireland • NOAA NAM 3km, NAM12km & HRRR - Continental USA • NOAA RRFS - 3km Continental USA + Alaska, 2.5km Hawaii + Puerto Rico, 13km Nth America • CMC RDPS - Canada, USA (incl. Alaska), Greenland, Iceland • CMC HRDPS - Canada • DWD ICON-EU - Europe • DWD ICON-D2 - Germany • SMN WRF 4km - Argentina, Chile, Uruguay, Paraguay • MeteoFrance ARPEGE - Europe • MeteoFrance AROME - France • KNMI HARMONIE 2km - Netherlands+ • RMI Alaro - Belgium • Expedition Marine - Various locations incl NZ • CAMS-EU Air Quality - Europe • SILAM Air Quality - Europe Contact: ====== Join us at forum.flowx.io to ask questions and discuss ideas. Follow us on social media: Facebook: www.facebook.com/flowxapp X: www.x.com/flowxapp YouTube: www.youtube.com/flowxapp Terms of Use: www.apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is review sentiment: Flowx at 96% against Barometer + Altimeter's 30%. Flowx also leads on rating (4.9 vs 2.0) and ratings volume (50 vs 1). Barometer + Altimeter's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 16.0). 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. Flowx sells 1 in-app purchase, starting at $24.99 per year. Barometer + Altimeter asks for nothing beyond the download.
Flowx holds the better App Store score, 4.9 against 2.0. That said, the two scores are not equally well evidenced: Flowx has 50 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 30% of Barometer + Altimeter's written reviews are positive against 96% of Flowx's.
Barometer + Altimeter ships an update every 2 months, Flowx every 3 weeks. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.
| Parameter | Barometer + Altimeter | Flowx |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 4.9 (50 ratings) — better |
| Positive reviews | 30.0% of reviews | 96.2% of reviews — better |
| Number of ratings | 1 | 50 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 4 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Maxim Melikhov | Duane Malcolm |
Customer experience
Barometer + Altimeter
Flowx
In-app purchases
Barometer + Altimeter
No in-app purchases
Flowx
- Gold Pro Level14 Days trial$24.991 Year
Questions
Is Barometer + Altimeter free?
Is Flowx free?
Which has better reviews, Barometer + Altimeter or Flowx?
Do Barometer + Altimeter or Flowx have ads?
Which is updated more often, Barometer + Altimeter or Flowx?
Other comparisons
