Comparison

Barometer ∞ Pressure Altitude vs Barometer Assistant

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

Head to head
About

Barometer ∞ Pressure Altitude

Access your device's built-in barometer for real-time atmospheric pressure and altitude readings. Offers multiple units and works offline without requiring signup or subscriptions.

Highlights
  • Live barometric pressure readings
  • Current altitude display
  • Multiple pressure units (atm, hPa, kPa, Bar)
  • Offline functionality
  • Native iOS design
  • Minimalist interface
Read full description

Your iPhone already has a barometer. Use it. Barometer ∞ gives you instant, accurate atmospheric pressure readings and your current altitude — straight from the device's built-in sensor. No signup, no subscription, no fuss. • Live barometric pressure, updated in real time • Current altitude in meters, powered by the same sensor pilots trust • Four pressure units — pick Standard Atmosphere (atm), Hectopascals (hPa), Kilopascals (kPa), or Bar • Works offline — no internet or location required to read pressure • Native iOS design built for iOS 17 and later • Tiny download and zero clutter Great for: — Hikers and climbers curious about elevation — Weather watchers tracking pressure shifts — Students, teachers, and anyone learning about atmospheric science — Anyone who wants a clean, fast reading without wading through ads-riddled "pro" alternatives Barometer ∞ is intentionally simple. It does one thing — show you what your iPhone's pressure sensor sees — and it does it instantly. No cluttered dashboards, no weather forecasts you didn't ask for, no dark-pattern paywalls. Privacy Policy: https://triplegelato.notion.site/Privacy-Policy-182d18371d6181b588d4ed7dbd0ba832 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Barometer Assistant

Features
Read full description

Air pressure changes are often more important than you think. This app focuses on air pressure monitoring and trend analysis, helping you better understand current environmental conditions and receive advance reference information before significant changes, supporting daily planning and outdoor activities. 【Key Features】 • Real-Time Air Pressure Status View current air pressure values and trends at any time • Smart Change Alerts Receive timely notifications when significant pressure changes occur • Migraine Risk Forecast (Reference Only) Provides risk insights based on air pressure trends Not intended for medical diagnosis • Offshore / Fishing Time Suggestions Assists in choosing more suitable times based on pressure changes • Multiple Usage Modes Select different modes based on your personal focus • Air Pressure History Track historical data to identify long-term patterns 【Who It’s For】 • Users sensitive to air pressure changes • People tracking migraine triggers • Offshore, fishing, and outdoor enthusiasts • Anyone seeking more informed daily planning 【Privacy】 • No account registration required • No personal data collected • Data is used only for feature display and analysis 【Legal】 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://detector-pro.netlify.app/barometer/privacy.html

Screenshots

Barometer ∞ Pressure Altitude1 screens
Barometer Assistant4 screens

Verdict

The call

The clearest difference is in-app purchases: Barometer ∞ Pressure Altitude at none against Barometer Assistant's 3. Barometer Assistant's advantage is ads (none vs shown) and update cadence (every 10 days vs every 15 months). On price, device support and iOS requirement 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. Barometer Assistant sells 3 in-app purchases, starting at $1.99 per 7 days. Barometer ∞ Pressure Altitude asks for nothing beyond the download.

UpkeepUpdate frequency

Barometer ∞ Pressure Altitude ships an update every 15 months, Barometer Assistant every 10 days. The most recent releases landed on September 9, 2026 and September 12, 2026 respectively.

Scorecard3 real differences · 6 level
Barometer ∞ Pressure Altitude versus Barometer Assistant: the parameters behind the verdict, then further details
ParameterBarometer ∞ Pressure AltitudeBarometer Assistant
PriceFreeFree
Rating5.0 (1 ratings) — better
Number of ratings1 — better
Update frequencyEvery 15 monthsEvery 10 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported
DevicesiPhoneiPhone
Requires iOS17.016.0 — better
Further details — not scored
Size4 MB5 MB
Age rating4+4+
DeveloperFawkes Wei三三 杨

In-app purchases

None

Barometer ∞ Pressure Altitude

No in-app purchases

3 purchases

Barometer Assistant

Subscriptions3
  • Weekly Subscription$1.997 Days
  • Monthly Subscription$5.991 Month
  • Annual Subscription$39.991 Year

Questions

Is Barometer ∞ Pressure Altitude free?
Barometer ∞ Pressure Altitude is free to download, with no in-app purchases.
Is Barometer Assistant free?
Barometer Assistant is free to download, with in-app purchases available.
Do Barometer ∞ Pressure Altitude or Barometer Assistant have ads?
Barometer ∞ Pressure Altitude shows ads; Barometer Assistant does not.
Which is updated more often, Barometer ∞ Pressure Altitude or Barometer Assistant?
Barometer ∞ Pressure Altitude ships an update every 15 months, and Barometer Assistant every 10 days. Most recently, Barometer ∞ Pressure Altitude was updated on September 9, 2026 and Barometer Assistant on September 12, 2026.

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