Franz Fahrenheit & Celsius

Björn Schefzyk · iOS

Franz Fahrenheit & Celsius

Explore the ad evidence, study the storefront, and build your next acquisition hypothesis.

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01 / Creative research

Turn the unknowns into a research plan.

01

Check the acquisition promise

Read the store headline, screenshots and description. What problem is the app promising to solve?

Study the storefront
02

Look for ad evidence

Explore apps with direct store-link matches. Compare their hooks and formats without assuming the same approach works here.

Browse observed advertisers
03

Separate demand from paid growth

Store rankings and revenue estimates describe market context. They do not establish ad spend, conversions or ROAS.

Review the market context

02 / Storefront & product

Where the click lands.

Study the product story and store experience behind the acquisition funnel.

Screenshots

Franz Fahrenheit & Celsius screenshot 1Franz Fahrenheit & Celsius screenshot 2Franz Fahrenheit & Celsius screenshot 3Franz Fahrenheit & Celsius screenshot 4Franz Fahrenheit & Celsius screenshot 5Franz Fahrenheit & Celsius screenshot 6Franz Fahrenheit & Celsius screenshot 7Franz Fahrenheit & Celsius screenshot 8

03 / Market context

The business behind the app.

Keep revenue, downloads and store rankings separate from advertising performance.

How Much Does Franz Fahrenheit & Celsius Make?

Monthly Revenue
$1.0K
Annualized estimate
$12.0K
Per Download
$1.00

Platform Performance

🍎iOS
Revenue
$1.0K
Downloads
1.0K
Rating
4.8 (1,445)

Rating Distribution

4.8
★★★★★
1,445 reviews
5
2%
4
1%
3
2%
2
7%
1
88%

Top Countries

🇺🇸 US🇨🇦 CA🇬🇧 GB

Rankings

Category Rank
#151
Reviews (3)
★★★★★Ladygoodmood5/26/2025
The Most Convenient and User-Friendly Weather App

I’ve recently moved to the U.S. and am still getting used to the local weather conditions. Sometimes it’s challenging to interpret temperatures, especially due to differences in measurement scales, so I’ve been using this app for about a year. It has become an essential tool for me: everything is clear, straightforward, and without unnecessary features—just what I need. Recently, the app introduced a paid subscription, and I understand that all work deserves compensation. Given how useful this app is, I believe the subscription is worth it—especially since it’s not very expensive. Thank you so much to the developer!  I’ve also taken an interest in other apps by this developer and will definitely try them out. Everything is designed simply, clearly, without excess, and is very helpful. Thanks again!

★★★★★Lou Cyx4/8/2025
My favorite weather app in iOS

I used this app for a long while and it's amazing. It lets you see a "rest of the world" temperature while being able to tell the weather to your US friends. Sadly Apple charges for something they get for free: Weather API access. This means Franz has to charge for something and they chose one of the features I used most which is the widget. There's no option for lifetime, only subscription is available and I'm against subscriptions. I'll keep the 5 stars because the app is still amazing and this issue is Apple's fault, not Franz's.

★★★★★Peanut133938/12/2024
Exactly what I was looking for!

As an American living in the UK, I find myself struggling to discuss the most common topic of conversation here: the weather. Without knowledge of why on Earth the British are complaining about 30 degree weather being HOT, I have become socially inept. I’ve been trying to learn Celsius conversions from Fahrenheit but have been generally clueless. Finding this app was a blessing. It’s so nicely designed, with several different widgets so I can always see the two temperatures. The UI is beautiful, even changing with the weather like Apple’s does. This all combined with the fact that it’s free, with no subscription or anything has endeared this app to me forever. Thank you Franz! I can finally join the people of this country in complaining about the weather, regardless of what it is.

Version History (101)
3.12.39/4/2026
3.12.28/31/2026
3.12.18/27/2026
3.12.08/22/2026
3.11.48/19/2026
3.11.38/15/2026
3.11.28/14/2026
3.11.18/13/2026
3.11.08/10/2026
3.10.06/11/2026
Available In (115 Countries)
🇩🇪 Germany🇺🇸 United States🇦🇺 Australia🇨🇦 Canada🇨🇳 China🇫🇷 France🇬🇧 United Kingdom🇮🇹 Italy🇯🇵 Japan🇰🇷 South Korea🇷🇺 Russia🇩🇿 DZ🇦🇴 AO🇦🇷 Argentina🇦🇹 Austria🇦🇿 AZ🇧🇧 BB🇧🇾 BY🇧🇪 Belgium🇧🇲 BM🇧🇷 Brazil🇧🇬 Bulgaria🇨🇱 Chile🇨🇴 Colombia🇨🇷 CR🇭🇷 Croatia🇨🇿 Czech Republic🇩🇰 Denmark🇩🇴 DO🇪🇨 EC🇪🇬 Egypt🇸🇻 SV🇫🇮 Finland🇬🇭 GH🇬🇷 Greece🇬🇹 GT🇭🇰 Hong Kong🇭🇺 Hungary🇮🇳 India🇮🇩 Indonesia🇮🇪 Ireland🇮🇱 Israel🇰🇿 KZ🇰🇪 Kenya🇰🇼 KW🇱🇧 LB🇱🇹 Lithuania🇱🇺 LU🇲🇴 MO🇲🇬 MG🇲🇾 Malaysia🇲🇽 Mexico🇳🇱 Netherlands🇳🇿 New Zealand🇳🇬 Nigeria🇳🇴 Norway🇴🇲 OM🇵🇰 Pakistan🇵🇦 PA🇵🇪 Peru🇵🇭 Philippines🇵🇱 Poland🇵🇹 Portugal🇶🇦 QA🇷🇴 Romania🇸🇦 Saudi Arabia🇸🇬 Singapore🇸🇰 Slovakia🇸🇮 Slovenia🇿🇦 South Africa🇪🇸 Spain🇱🇰 LK🇸🇪 Sweden🇨🇭 Switzerland🇹🇼 Taiwan🇹🇭 Thailand🇹🇳 TN🇹🇷 Turkey🇺🇦 Ukraine🇦🇪 UAE🇺🇾 UY🇺🇿 UZ🇻🇪 VE🇻🇳 Vietnam🇧🇴 BO🇪🇪 Estonia🇱🇻 Latvia🇳🇮 NI🇵🇾 PY🇰🇭 KH🇦🇫 AF🇬🇪 GE🇮🇶 IQ🇱🇾 LY🇲🇦 MA🇲🇿 MZ🇲🇲 MM🇾🇪 YE🇧🇭 BH🇨🇾 CY🇲🇹 MT🇷🇸 RS🇧🇯 BJ🇧🇫 BF🇨🇲 CM🇨🇬 CG🇨🇮 CI🇯🇴 JO🇱🇦 LA🇲🇱 ML🇸🇳 SN🇹🇿 TZ🇺🇬 UG🇿🇲 ZM🇿🇼 ZW
Supported Languages (1)
English
App Details

The highest rated weather app that shows Celsius and Fahrenheit at the same time. No tapping, no toggling, no mental math — both scales, one glance....

iOS App ID
1208004403
Content Rating
4+
Min OS
18.1
Size
49.5 MB
In-App Purchases
Yes
Publisher
Björn Schefzyk

In-App Purchases (6)

NamePriceType
Monthly$0.99Monthly
Monthly$1.99Monthly
Annual$9.99Yearly
Annual$14.99Yearly
Lifetime$29.99One-time
Lifetime$39.99One-time