Comparison

Barometric Pressure Offline vs Mariner Check

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

Head to head
About

Barometric Pressure Offline

This app tracks barometric pressure and altitude, working offline to keep you informed about weather changes. It provides alerts for deteriorating weather and sudden pressure shifts, which can be helpful for managing certain health conditions. Users can view historical data, export it, and utilize home screen widgets.

Highlights
  • Offline pressure and altitude tracking
  • Deteriorated weather alerts
  • Sudden pressure change alerts
  • History tracking and trend prediction
  • Export history to CSV & JSON
  • iOS Widgets for home and lock screen
Read full description

Track barometric pressure today and forecasts anywhere. Barometric Pressure Offline turns your device into a powerful barometer, altimeter, forecast, and pressure tracker. Check today’s barometric pressure, follow changing trends, explore upcoming forecasts, and keep a personal history wherever you go. Live pressure and altitude readings come directly from your device sensors, so the barometer works even when you’re offline. Perfect for hiking, sailing, travel, outdoor activities, weather tracking, or simply understanding how atmospheric pressure changes throughout the day. Key Features: ▶ Offline Barometer & Altimeter – Measure barometric pressure, sea-level pressure, and altitude directly from your device sensors without an internet connection. ▶ Pressure Forecast – See what’s ahead with interactive forecasts for Today, 72 hours, 7 days, or 16 days. Explore hourly pressure values, daily minimums and maximums, pressure tendency, and predicted rapid pressure changes. ▶ Pressure Change Alerts – Get notified when your device detects a significant pressure rise or drop, or when rapid changes are predicted in the upcoming forecast. Control barometer and forecast alerts independently, and tap a notification to jump directly to the relevant reading or forecast. ▶ Siri & Shortcuts – Ask Siri for pressure readings, forecasts, history, summaries, notes, and upcoming pressure changes. Use Shortcuts to access Barometer actions and build pressure tracking into your own automations. ▶ Spotlight Search – Find Barometer readings, forecasts, history, and other relevant content directly from Spotlight, then open straight to the corresponding reading, chart, or forecast. ▶ Migraine & Headache Tracker – Add notes to your pressure history and compare changes over time with migraines, headaches, joint pain, asthma, arthritis, or other pressure-sensitive symptoms. ▶ Pressure History – Look back at previous barometric pressure readings, trends, altitude measurements, and personal notes to better understand how conditions have changed. ▶ Export Your Data – Export pressure history and notes to CSV or JSON for your own analysis, records, or comparisons. ▶ Widgets – Keep current barometric pressure, recent history, trends, and forecast charts visible from your Home Screen and Lock Screen, including enhanced chart widgets and a portrait forecast layout. ▶ CarPlay Support – Check relevant pressure information while using CarPlay, with improved support for quick access on the road. ▶ Designed for the Latest Apple Platforms – Enjoy resizable layouts, enhanced widget appearances, clearer charts, improved navigation, and a responsive experience across supported screen sizes. No account is required, and your sensor history stays on your device. Fresh forecast data requires an internet connection, while downloaded forecasts can remain available when you’re offline. Whether you’re watching today’s weather, tracking an approaching pressure change, checking altitude on a hike, preparing for time on the water, or keeping a migraine and headache log, Barometric Pressure Offline puts the information you need in one clear, easy-to-use app. Track pressure now. Understand the trend. See what’s coming next. Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Mariner Check

Organize professional mariner credentials and track renewal dates. View status at a glance, set custom reminders, and manage multiple document types. Stay prepared for renewals with this convenient organizational tool.

Highlights
  • Organize credentials
  • Track renewal dates
  • Custom renewal windows
  • Expiration reminders
  • Home Screen widget
  • Offline access
  • Mask credential numbers
Features
Read full description

Mariner Check helps professional mariners keep important credentials organized and renewal dates visible in one convenient place. Quick glances on the app or widget to ensure your hitch goes smoothly. Track your USCG Merchant Mariner Credential, medical certificate, TWIC, TSA PreCheck, flag-state credentials, Dynamic Positioning certificate, Benzene Card, and other custom licenses, courses, or documents. Key features: • View valid, upcoming, scheduled, and expired credentials at a glance • Set a custom renewal monitoring window for each credential • Receive reminders as expiration dates approach • Track multiple medical expiration dates, including National, STCW, and Pilot dates • Schedule renewal appointments and optionally add them to your calendar • See credential status from your Home Screen widget • Sync securely across your Apple devices with iCloud • Access your information offline • Mask credential numbers for additional privacy • Store issuing authorities, identification numbers, issue dates, and notes Whether you manage one credential or an entire collection of maritime documents, Mariner Check makes it easier to stay prepared and begin renewals on time. Mariner Check is an organizational tool and does not verify legal, medical, employer, flag-state, or regulatory compliance. Always confirm requirements with the appropriate issuing authority. #Fort Schuyler

Screenshots

Barometric Pressure Offline4 screens
Mariner Check4 screens

Verdict

The call

The clearest difference is in-app purchases: Mariner Check at none against Barometric Pressure Offline's 5. Barometric Pressure Offline's advantage is ratings volume (207 vs 1) and iOS requirement (15.0 vs 26.5). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Barometric Pressure Offline sells 5 in-app purchases, starting at $4.99 per 7 days. Mariner Check asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Mariner Check holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Barometric Pressure Offline has 207 ratings behind it against 1, so its average is the more settled of the two.

Scorecard4 real differences · 6 level
Barometric Pressure Offline versus Mariner Check: the parameters behind the verdict, then further details
ParameterBarometric Pressure OfflineMariner Check
PriceFreeFree
Rating4.8 (207 ratings)5.0 (1 ratings) — better
Positive reviews74.1% of reviews—
Number of ratings207 — better1
Update frequencyMonthly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.5
Further details — not scored
Size61 MB4 MB
Age rating4+4+
DeveloperPablo PacielloKEVIN M GRAVES

Customer experience

Barometric Pressure Offline

All ratings205 ratings
Positive95.1%
Neutral3.9%
Negative1.0%
Written reviews27 reviews
Positive74.1%
Neutral7.4%
Negative18.5%

Mariner Check

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Barometric Pressure Offline

Reported bugs

5 issues
  • App does not notify of significant changes
  • App does not refresh unless manually opened
  • Motion data access needed screen with no clear resolution
  • Lock screen widget does not update without opening the app
  • Typo in 'deteriorated'

Requested features

7 requests
  • More frequent updates and readings
  • Notifications for pressure drops over a wider range of hours (4-7)
  • Re-add notifications/alarms for barometric pressure increases
  • Self-adjusting vertical scale for pressure trend graph
  • User-selectable notification threshold
Show 2 more
  • Ambient pressure readings in addition to sea level pressure
  • Watch version

Mariner Check

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Barometric Pressure Offline

Subscriptions3
  • PRO Subscription weekly$4.997 Days
  • PRO Subscription monthly$9.991 Month
  • PRO Subscription yearly$29.991 Year
One-time2
  • Barometer Lifetime$9.99
  • Barometer Lifetime$49.99
None

Mariner Check

No in-app purchases

Questions

Is Barometric Pressure Offline free?
Barometric Pressure Offline is free to download, with in-app purchases available.
Is Mariner Check free?
Mariner Check is free to download, with no in-app purchases.
Which has better reviews, Barometric Pressure Offline or Mariner Check?
Mariner Check is rated higher. Barometric Pressure Offline averages 4.8 out of 5 from 207 ratings, while Mariner Check averages 5.0 from 1 ratings.
Do Barometric Pressure Offline or Mariner Check have ads?
Neither Barometric Pressure Offline nor Mariner Check shows ads.

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