Comparison

aluni 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

aluni

This app displays the current position of the Moon and Sun, tracks their rise and set times, and shows the Moon's phases. It provides insights into lunar and solar cycles, ideal for outdoor activities and sky enthusiasts. Widgets offer quick access to celestial information.

Highlights
  • Moon phase and illumination display
  • Sunrise, sunset, moonrise, moonset tracking
  • Solunar times for fishing and wildlife
  • Anticipate celestial events
  • Home screen widgets
  • Offline functionality
Features
Read full description

What is the moon doing tonight? aluni tells you when to look up, and where. Open the app, or glance at a widget, and you see the one thing that matters: the best minute tonight to step outside and find the moon. Not a table of numbers. A time, a direction, and a picture of the sky over your own horizon. Only aluni does this: - Your real hills are on the skyline, so you know when a ridge will hide the moon and when it will clear - Set a reminder and your Lock Screen draws tonight's moon on its true path above your own horizon - Point your phone at the sky and the moon finder guides you to it, then tells you to put the phone down and look - Answer "did you see it?" and share a picture of tonight's moon with friends The clock behind it all: - Sun and moon on one 24-hour dial, so you read the whole day at a glance - Moonrise, moonset, sunrise, and sunset, with the moon's phase and how much of it is lit - A full month of moon phases in the lunar calendar - Alerts for the moons you care about, so a full moon never slips past you - Widgets in many styles and themes for your home screen and Lock Screen - On iOS 27, a whole home screen page of sky: tonight's best time, the night's times, and a week of phases - Places anywhere in the world, so you can check the moon over a friend's town aluni works offline. No ads. No clutter. No account. Some themes, the weather line, and world location search are part of aluni+, a small yearly or one-time purchase that keeps the app independent. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

aluni4 screens
Barometer & Altimeter Pro4 screens

Verdict

The call

The clearest difference is rating: aluni at 4.8 against Barometer & Altimeter Pro's 3.6. aluni also leads on review sentiment (71% vs 50%). Barometer & Altimeter Pro's advantage is monetization model (free vs free with in-app purchases) and update cadence (every 10 days vs monthly). On price, ratings volume, ads and in-app purchases 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. aluni sells 2 in-app purchases, starting at $1.99 per year 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.

ReceptionRating · Positive reviews · Number of ratings

aluni holds the better App Store score, 4.8 against 3.6. Both are backed by a comparable volume of ratings — 26 and 14 respectively. Written reviews point the same way: 71% of aluni's written reviews are positive against 50% of Barometer & Altimeter Pro's.

UpkeepUpdate frequency

aluni ships an update monthly, Barometer & Altimeter Pro every 10 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

Scorecard4 real differences · 6 level
aluni versus Barometer & Altimeter Pro: the parameters behind the verdict, then further details
ParameteraluniBarometer & Altimeter Pro
PriceFreeFree
Rating4.8 (26 ratings) — better3.6 (14 ratings)
Positive reviews71.4% of reviews — better50.0% of reviews
Number of ratings26 — better14
Update frequencyMonthlyEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS1717.0
Further details — not scored
Size112 MB37 MB
Age rating4+4+
DeveloperRecalibration Laboratories LLCTirin

Customer experience

aluni

All ratings26 ratings
Positive92.3%
Neutral3.8%
Negative3.8%
Written reviews7 reviews
Positive71.4%
Neutral0.0%
Negative28.6%

Barometer & Altimeter Pro

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

2 purchases

aluni

Subscriptions1
  • aluni+ Yearly$1.991 Year
One-time1
  • Lifetime aluni+ membership$2.99
2 purchases

Barometer & Altimeter Pro

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

Questions

Is aluni free?
aluni 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.
Which has better reviews, aluni or Barometer & Altimeter Pro?
aluni is rated higher. aluni averages 4.8 out of 5 from 26 ratings, while Barometer & Altimeter Pro averages 3.6 from 14 ratings.
Do aluni or Barometer & Altimeter Pro have ads?
Neither aluni nor Barometer & Altimeter Pro shows ads.
Which is updated more often, aluni or Barometer & Altimeter Pro?
aluni ships an update monthly, and Barometer & Altimeter Pro every 10 days. Most recently, aluni was updated on November 7, 2026 and Barometer & Altimeter Pro on November 9, 2026.

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