Comparison

RainApp vs Barometer & Altimeter Pro

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

Head to head
About

RainApp

Features
Read full description

Rain, explained simply. RainApp helps you answer the question that matters most: Will it rain? Instead of overwhelming you with dozens of charts and weather metrics, RainApp focuses on clear, beautiful and easy-to-understand forecasts. See rain moving over your location, explore how conditions change during the next 12 hours and receive notifications before the weather changes. Features Rain timeline Move an interactive slider to instantly see how rain clouds move over your location during the next 12 hours. Weather at a glance See everything important in one place: • current temperature • feels like • wind • humidity • a short weather summary Daily & extended forecasts Browse: • yesterday’s hourly weather • today’s forecast • the next 12 days without switching between multiple screens. Smart notifications Stay ahead of weather changes with simple, human-friendly alerts. Receive notifications about: • tomorrow’s weather • your week ahead • sudden rain • strong winds • significant weather changes Instead of raw numbers, RainApp explains what the forecast actually means. Examples: Tomorrow will be 6° warmer than today Heavy rain is expected within the next hour A cooler week is ahead Apple Watch Companion Unlock the companion Apple Watch app and keep weather on your wrist. • explore rain clouds using the Digital Crown • browse the next 12 hours • view hourly forecasts • receive weather notifications • instantly spot rainy hours Designed to be simple No clutter. No complicated charts. Just the weather information you’ll actually use.

About

Barometer & Altimeter Pro

This application precisely measures atmospheric pressure and tracks your elevation in real time. It provides storm warnings based on pressure changes and displays historical trend charts. Ideal for outdoor enthusiasts and weather-conscious individuals.

Highlights
  • Precise air pressure measurement
  • Live elevation tracking
  • Trip gain calculation
  • Storm warning alerts
  • Historical trend charts
  • Customizable interface
Features
Read full description

Barometer & Altimeter Pro is the ultimate tool for monitoring your environment. Whether you are tracking elevation changes on a hike or checking to see if a storm is coming, Barometer & Altimeter Pro gives you the exact data you need, right when you need it. With this app, your device becomes a highly accurate atmospheric tracker. Many people rely on a barometer to anticipate weather shifts, and our app makes reading these changes incredibly simple. Being able to visualize the air pressure around you means you are never caught off guard by a sudden drop. Barometer & Altimeter Pro provides real time warnings based on advanced atmospheric readings. Features and Benefits: Precise Air Pressure Measurement: Always know your surrounding atmospheric pressure down to the exact decimal, helping you predict weather patterns accurately. Live Elevation Tracking: Watch your altitude shift in real time as you climb or hike, turning your device into an essential outdoor tool. Trip Gain Calculation: Review your total height climbed over a session so you can measure your physical achievements during any hike or outdoor trip. Storm Warning Alerts: Receive immediate visual warnings if the barometer detects rapid atmospheric pressure drops, keeping you safe from sudden severe weather. Historical Trend Charts: See the past three hours of pressure data on an interactive graph to recognize shifting weather trends before they arrive. Customizable Interface: Use the beautifully designed modern instrument gauge in both light mode and dark mode to match your style. If you are serious about understanding the atmosphere around you, Barometer & Altimeter Pro delivers exactly what you need. Relying on an accurate barometer gives you a clear advantage outdoors. Measure elevation precisely, stay ahead of bad weather, and track your altitude history directly from your device. Transform your phone today. Download Barometer & Altimeter Pro to take control of your environmental data. Privacy Policy: https://doc-hosting.flycricket.io/barometer-altimeter-pro-privacy-policy/f5b83551-b63f-4d2a-b3a8-1b9c40f7c12a/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RainApp4 screens
Barometer & Altimeter Pro4 screens

Verdict

The call

The clearest difference is update cadence: Barometer & Altimeter Pro at every 10 days against RainApp's every 2 months. Barometer & Altimeter Pro also leads on iOS requirement (17.0 vs 26.5). On price, ads, in-app purchases 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. RainApp sells 1 one-off in-app purchase and Barometer & Altimeter Pro sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

RainApp ships an update every 2 months, Barometer & Altimeter Pro every 10 days. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
RainApp versus Barometer & Altimeter Pro: the parameters behind the verdict, then further details
ParameterRainAppBarometer & Altimeter Pro
PriceFreeFree
Rating—3.7 (7 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—7 — better
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS26.517.0 — better
Further details — not scored
Size18 MB37 MB
Age rating4+4+
DeveloperKsenia TrifonovaTirin

In-app purchases

1 purchases

RainApp

One-time1
  • Apple Watch Access$3.99
2 purchases

Barometer & Altimeter Pro

Subscriptions1
  • Barometer Monthly$1.991 Month
One-time1
  • Barometer Lifetime$4.99

Questions

Is RainApp free?
RainApp is free to download, with in-app purchases available.
Is Barometer & Altimeter Pro free?
Barometer & Altimeter Pro is free to download, with in-app purchases available.
Do RainApp or Barometer & Altimeter Pro have ads?
Neither RainApp nor Barometer & Altimeter Pro shows ads.
Which is updated more often, RainApp or Barometer & Altimeter Pro?
RainApp ships an update every 2 months, and Barometer & Altimeter Pro every 10 days. Most recently, RainApp was updated on October 20, 2026 and Barometer & Altimeter Pro on October 7, 2026.

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