Comparison

Tempi vs Weather Charm

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

Head to head
About

Tempi

This app connects to a Bluetooth device to accurately measure and display temperature and humidity on your smartphone. Track your environment at home or on the go, monitor multiple locations, and receive alerts for custom limits. Data can be exported for analysis.

Highlights
  • Real-time temperature and humidity readings
  • Map tracking for outdoor activities
  • Monitor unlimited locations
  • Graph history up to one month
  • Export data to CSV
  • Customizable temperature/humidity alerts
Features
Read full description

Tempi is a cool Bluetooth device (available on http://mytempi.com/order/) that accurately measures temperature and humidity and displays the information on your smartphone. Download this App and connect your Tempi to your iOS device using Bluetooth Smart. Simply pair Tempi with your device using Bluetooth and begin tracking your environment at home, on the go or anywhere you want. You can connect several Tempis to one iOS device to get a snapshot of your personal environment. Some of Tempi’s features are: >> Check temperature and humidity in your immediate surroundings (by your baby, plants, musical instrument, elderly, pets, etc.) >> Tracks on a map while on the go (running, hiking, biking, etc.) AND even export geodata with Temperature and Humidity – VERY COOL!! >>Monitor unlimited locations using as many Tempis as you want >>Graph history of up to a month of data >>Export temperature and humidity data to CSV file and analyze away (you know who you are) >>Receive notifications if the temperature of humidity goes above or below your set limits- Uses Bluetooth Smart (BLE) Technology >>High accuracy temperature and humidity sensing >> Stores up to a month of temperature and humidity data >> Monitors unlimited locations >>Sends notifications and alerts >>Long life and replaceable low cost battery How will you use Tempi? Tempi is a very useful device that connects you to your immediate environment. Place Tempi in your garden, attic, basement, car, baby’s room, by an exotic pet, your wine cellar or musical instrument and monitor away. Tempi is also a wearable device. Clip Tempi to your clothes, belt or shoes and monitor temperature and humidity on a map – yes, you heard us – on a map.

About

Weather Charm

This app provides current weather forecasts and unique collectible characters that appear based on the weather conditions. Users can decorate a virtual room with their collected characters and record daily moods alongside weather data.

Highlights
  • Real-time weather forecasts
  • Weather-dependent collectible characters
  • Virtual room decoration
  • Daily mood and journal logging
  • Home and lock screen widgets
  • Travel destination weather alerts (Premium)
Features
Read full description

On rainy days, a little raindrop friend drops by. On the first snowy night, a snowflake one appears. Weather Charm tells you today's weather and gifts you tiny charms you can only meet in that weather. [TODAY'S WEATHER AT A GLANCE] - Current conditions, hourly and daily forecasts, and air quality - Get a heads-up before the weather you dislike arrives (rain, heat, cold and more) - Home Screen and Lock Screen widgets [CHARMS THE WEATHER BRINGS] - Sunny days, rainy afternoons, snowy nights: different charms appear with the weather, season and time of day - Meet them again and they grow, one page of your collection at a time - The rarest charms only show up on truly special days [A COZY ROOM FOR YOUR CHARMS] - Place charms on shelves and the window sill, and decorate with furniture and themes - The room's light shifts with morning, sunset and night - Play soft music on the turntable - Share your room as an image [ONE LINE A DAY] - Log your mood and a one-line journal, saved together with that day's weather - Look back on your month in the calendar, and get a year-in-review at the end of the year [TRAVEL ARRIVAL (PREMIUM)] - Arrive in a new city and get its weather, plus charms you can only meet while traveling [PRIVACY] - No ads, no tracking - Your entries stay on your device and are safely backed up when you sign in [Premium] Unlock premium features such as travel detection, photo entries and extra weather alerts with a monthly or yearly subscription, or a one-time Lifetime purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Payment is charged to your Apple ID account. Manage or cancel anytime in Settings > Apple ID > Subscriptions. Terms of Use: https://slash-coach-0a0.notion.site/Weather-Charm-Terms-of-Use-3d95cf8fa472800b8c26ff4d73a0299c Privacy Policy: https://slash-coach-0a0.notion.site/Privacy-Policy-for-Weather-Charm-3ce5cf8fa472806bbf27e4886449b42b

Screenshots

Tempi4 screens
Weather Charm4 screens

Verdict

The call

The clearest difference is review sentiment: Weather Charm at 100% against Tempi's 22%. Weather Charm also leads on update cadence (every 2 days vs every 2 months). Tempi's advantage is in-app purchases (none vs 6) and iOS requirement (9.0 vs 18.2). On price, 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. Weather Charm sells 6 in-app purchases, starting at $1.99 per month. Tempi asks for nothing beyond the download.

UpkeepUpdate frequency

Tempi ships an update every 2 months, Weather Charm every 2 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Tempi versus Weather Charm: the parameters behind the verdict, then further details
ParameterTempiWeather Charm
PriceFreeFree
Rating2.3 (10 ratings) — better—
Positive reviews22.2% of reviews100.0% of reviews — better
Number of ratings10 — better—
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS9.0 — better18.2
Further details — not scored
Size47 MB139 MB
Age rating4+4+
DeveloperTahmo, Inc.GlobalCharm

Customer experience

Tempi

All ratings10 ratings
Positive30.0%
Neutral0.0%
Negative70.0%
Written reviews9 reviews
Positive22.2%
Neutral11.1%
Negative66.7%

Weather Charm

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Tempi

No in-app purchases

6 purchases

Weather Charm

Subscriptions2
  • Premium Monthly7 Days trial$1.991 Month
  • Premium Yearly7 Days trial$14.991 Year
One-time4
  • 100 Dew$0.99
  • 350 Dew$2.99
  • 1,200 Dew$7.99
Show 1 more
  • Lifetime Access$79.99

Questions

Is Tempi free?
Tempi is free to download, with no in-app purchases.
Is Weather Charm free?
Weather Charm is free to download, with in-app purchases available.
Do Tempi or Weather Charm have ads?
Neither Tempi nor Weather Charm shows ads.
Which is updated more often, Tempi or Weather Charm?
Tempi ships an update every 2 months, and Weather Charm every 2 days. Most recently, Tempi was updated on November 2, 2026 and Weather Charm on October 31, 2026.

Other comparisons