Degrees Calc vs Mercury
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Degrees Calc
Easily convert temperatures between various scales using formulas and a quick slide converter. Verify your conversions by entering values directly into the formula table.
- Temperature unit conversion formulas
- Convert to and from Celsius
- Formula table for verification
- Slide converter for quick conversions
- Supports multiple temperature scales
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We have added the temperature units conversion formulas to the application for you. By selecting the desired unit, you can see how you can convert that unit to celsius and celsius to that unit, and you can convert by entering a value in the formula table to see if your result was correct. As an extra, we have added a slide converter tab in the application so that you can quickly convert units to each other.
Mercury
Easily convert temperatures between Celsius, Fahrenheit, and Kelvin with an elegant and intuitive interface. Features dynamic background color changes based on temperature and supports decimal conversions.
- Celsius, Fahrenheit, Kelvin conversion
- Interactive temperature scrolling
- Dynamic background color
- Reset to zero function
- Decimal temperature support
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Mercury is the best temperature converter for Celsius, Fahrenheit and Kelvin. Elegant and easy to use. • Convert Celsius, Fahrenheit and Kelvin. • Scroll with your finger to change the current temperature. • Watch as the background color changes while you go hotter or colder. • Reset to zero with a quick tap. • Support for decimal temperature conversion.
Screenshots
Verdict
The clearest difference is rating: Degrees Calc at 5.0 against Mercury's 4.0. Degrees Calc also leads on in-app purchases (none vs 5) and update cadence (monthly vs every 70 months). Mercury's advantage is ads (none vs shown) and ratings volume (6 vs 2). On price 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
Both are free to download. Mercury sells 5 one-off in-app purchases. Degrees Calc asks for nothing beyond the download.
Degrees Calc holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively.
Degrees Calc ships an update monthly, Mercury every 70 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Degrees Calc | Mercury |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.0 (6 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 6 — better |
| Update frequency | Monthly — better | Every 70 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 15 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Enes Akkus | Samuel Herrera |
Customer experience
Degrees Calc
Mercury
In-app purchases
Degrees Calc
No in-app purchases
Mercury
- Small Tip$0.99
- Remove Ads$1.99
- Medium Tip$2.99
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- Large Tip$4.99
- Massive Tip$9.99
Questions
Is Degrees Calc free?
Is Mercury free?
Which has better reviews, Degrees Calc or Mercury?
Do Degrees Calc or Mercury have ads?
Which is updated more often, Degrees Calc or Mercury?
Other comparisons
