Barometric Pressure vs Pollen Shield
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Barometric Pressure
This app uses your device's built-in barometer to display real-time atmospheric pressure charts. Monitor pressure trends, set custom alarms for pressure changes, and log data for later analysis. It also offers altitude display and optional sea-level adjusted pressure readings.
- Real-time atmospheric pressure monitoring
- Pressure alarms and notifications
- Background data logging
- Sea level adjusted pressure (optional IAP)
- Altitude display
- Data export to CSV
Read full descriptionHide full description
Barograph uses the barometer built into your iPhone to draw realtime charts of the atmospheric pressure. It lets you view pressure trends, set alarms, and get alerts when the pressure changes. It also lets you log and export data to CSV format. Discover the ultimate tool for tracking atmospheric pressure with Barograph, the original barometer data logger app designed specifically for iPhone and iPad. Whether you’re a weather enthusiast, an outdoor adventurer, or simply curious about atmospheric changes, Barograph offers powerful features to measure and analyze air pressure in real-time. Key Features: •Real-Time Atmospheric Pressure Monitoring: Instantly measure atmospheric pressure and watch dynamic graphs showing pressure changes over time. •Pressure alarms: Set an alarm and get notified when pressure rises above or below the desired value. •Background Data Logging: Use “Background App Refresh” to continuously collect barometric pressure data, even when the app is not actively in use. •Sea Level Adjusted Pressure: If you prefer to view calculated sea-level adjusted pressure instead of measured pressure, you can enable this feature with an optional in-app purchase. Adjusted pressure is calculated using your iPhone’s barometer and local weather data via Weatherkit. •Altitude Display: View your relative altitude based on barometer readings, perfect for tracking elevation changes during hikes or flights. •Push Notifications: Stay informed with periodic notifications that provide atmospheric pressure values, alarms, and trends, ensuring you’re always aware of significant changes. •Data Export: Easily share your barometer data in CSV format for further analysis or to share with friends and colleagues. Use Cases: •Weather Prediction: Track weather systems and anticipate changes. A dropping pressure generally indicates rain is approaching. •Elevation Tracking: Observe how atmospheric pressure changes with elevation, ideal for hikers, pilots, and outdoor enthusiasts. •Scientific Research: Gather detailed barometric pressure data for educational or research purposes, with seamless data export for comprehensive analysis. •Many people use atmospheric pressure data as an indicator of when they may have a migraine headache. Download Barograph today and transform your iPhone or iPad into a sophisticated barometer data logger. Experience unparalleled accuracy and insight into the atmospheric pressure around you! Maximize your understanding of weather patterns, elevation changes, and more with Barograph – your personal atmospheric pressure tracker and logger. Privacy Policy: https://catspaw-systems.com/PrivacyPolicies/BarographPrivacy.html
Pollen Shield
Read full descriptionHide full description
Pollen Shieldは、花粉症のあなたのために「通知1つ」に振り切ったシンプルな花粉アプリです。 ■ 家を出る直前だけ、そっと通知 毎朝の出発時刻を自動で学習し、あなたが家を出る前のベストタイミングで、その日の花粉飛散量を1通だけ通知します。アプリを開く必要はありません。通知を見て、マスクを足すかどうか判断するだけ。 ■ 鬱陶しい毎朝通知はしない 花粉が少ない日は通知しません。飛散量が気になるレベルの日だけ、静かに知らせます。「通知疲れ」しないUXを徹底設計しました。 ■ 広告ゼロ・課金なし(MVP期間) 画面を埋め尽くす広告バナーも、オフシーズンも続くサブスクもありません。必要な情報だけを最速で届けます。 ■ プライバシーファースト 位置情報は出発パターンの学習にのみ使用し、端末内でのみ処理されます。個人を特定する情報をサーバーに送信することはありません。詳細はプライバシーポリシーをご覧ください。 ■ 対応エリア 日本全国の主要地域に対応。Google Pollen APIの公開データを基に、スギ・ヒノキ・草本系の飛散量を統合した独自スコアで通知判定を行います。 ■ こんな方におすすめ ・毎朝ニュースの花粉情報をチェックするのが面倒な方 ・「家を出た後にくしゃみが止まらなくなる」経験がある方 ・既存の花粉アプリの通知過多や広告に疲れた方 ・シンプルで静かなアプリが好きな方 ■ バージョン1.0 について MVP版として、通知機能に絞り込んでリリースしました。今後、症状記録・薬の飲み忘れリマインド・エリア追加など、ユーザーの声を聞きながら慎重に機能を追加していきます。要望はサポートURLまでお気軽にお寄せください。 Pollen Shieldで、今年の花粉シーズンを少しだけラクに。
Screenshots
Verdict
The clearest difference is in-app purchases: Pollen Shield at none against Barometric Pressure's 3. On price, update cadence, 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. Barometric Pressure sells 3 one-off in-app purchases. Pollen Shield asks for nothing beyond the download.
Barometric Pressure ships an update every 5 days, Pollen Shield every 8 days. The most recent releases landed on October 26, 2026 and October 14, 2026 respectively.
| Parameter | Barometric Pressure | Pollen Shield |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (57 ratings) — better | — |
| Positive reviews | 61.0% of reviews | — |
| Number of ratings | 57 — better | — |
| Update frequency | Every 5 days — better | Every 8 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 30 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Catspaw Systems LLC | playpark |
Bugs and requests
Barometric Pressure
Reported bugs
20 issues- App crashes weekly
- Recovery utility not functioning
- History is lost
- Altitude reading is incorrect
- App opens to a blank white/black screen
Show 15 moreShow fewer
- App requires Motion & Fitness settings to function
- App stops measuring pressure when not in foreground
- Paid version still shows ads
- Security risk with clipboard auto-pasting
- Trend feature not working
- Continuous recording time is limited
- App does not work on iOS 10 on iPads
- App does not work on iPad mini 4
- No history is displayed
- History is erased when changing display units
- Hg measurement is inaccurate
- No user customization for graph axes
- Background data is not used
- App does not appear to work in background
- Full-screen video ads with audio
Requested features
17 requests- Ability to calibrate altitude
- Option to clear history and show only last few days
- Accept regional settings (ddMM)
- Add setting to disable Motion & Fitness requirement
- Export to CSV
Show 12 moreShow fewer
- Zoom in on data table
- Continuous monitor mode with adjustable sample rate
- Dark mode option
- Advanced analytics dashboard
- Calibrate pressure to local pressure
- Ability to output data as a .csv file
- Add hectopascals as a measurement unit
- User ability to set range on vertical and horizontal axis
- Time displayed on time axis
- Japanese language support
- Use M8 coprocessor data for background recording
- Option to remove ad banner with a small payment
Pollen Shield
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Barometric Pressure
- Upgrade to Pro$5.99
- Give me a tip!$9.99
- Give me a big tip!$19.99
Pollen Shield
No in-app purchases
Questions
Is Barometric Pressure free?
Is Pollen Shield free?
Do Barometric Pressure or Pollen Shield have ads?
Which is updated more often, Barometric Pressure or Pollen Shield?
Other comparisons















