Fahrenheit Celsius Calculator vs Carbon Quest
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fahrenheit Celsius Calculator
Easily convert temperatures between Fahrenheit and Celsius. Access current, historical, and forecasted weather data for any city in both units simultaneously.
- Fahrenheit to Celsius conversion
- Celsius to Fahrenheit conversion
- City temperature lookup
- Historical weather data
- Current weather data
- Forecasted weather data
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Use this easy to use calculator to translate a Fahrenheit temperature to Celsius and vice versa. Use the City Temperatures feature to look up historical, current or forecasted weather data for any city in Fahrenheit and Celsius at the same time. Privacy policy: http://privacy2.apps.skystardevelopment.com Terms of use: http://eula.apps.skystardevelopment.com
Carbon Quest
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Carbon Quest keeps track of people’s environmental behaviors and motivates them to make better changes to the environment. Through this app, users manage their carbon emission activities by entering their daily activities. The users can make improvements to their behaviors with an optimal environment: daily and monthly analyses, a monthly leaderboard, and trade between users. All these systems work together to foster friendly competition between the users and to motivate them.
Screenshots
Verdict
The clearest difference is in-app purchases: Carbon Quest at none against Fahrenheit Celsius Calculator's 5. Carbon Quest also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). On price, device support and iOS requirement 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. Fahrenheit Celsius Calculator sells 5 in-app purchases, starting at $1.99 per month. Carbon Quest asks for nothing beyond the download.
Fahrenheit Celsius Calculator ships an update every 2 months, Carbon Quest weekly. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.
| Parameter | Fahrenheit Celsius Calculator | Carbon Quest |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (1.8K ratings) — better | — |
| Positive reviews | 83.9% of reviews | — |
| Number of ratings | 1.8K — better | — |
| Update frequency | Every 2 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 32 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Baron | XPRTIS INC. |
Bugs and requests
Fahrenheit Celsius Calculator
Reported bugs
3 issues- Calculator disappearing
- Ads covering buttons
- Inability to go back or clear
Requested features
2 requests- Labeling the clear button
- Allowing users to enter their own city
Carbon Quest
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Fahrenheit Celsius Calculator
- City Temperatures7 Days trial$1.991 Month
- Yearly7 Days trial$19.991 Year
- Remove Ads$0.99
- Tip the Developer$0.99
- Lifetime$26.99
Carbon Quest
No in-app purchases
Questions
Is Fahrenheit Celsius Calculator free?
Is Carbon Quest free?
Do Fahrenheit Celsius Calculator or Carbon Quest have ads?
Which is updated more often, Fahrenheit Celsius Calculator or Carbon Quest?
Other comparisons
