Comparison

tempConvert vs Celso

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

Head to head
About

tempConvert

Quickly convert temperatures between Fahrenheit and Celsius with instant results. This ad-free utility works offline, offering animated visuals and contextual labels for easy understanding. It supports negative temperatures and includes reference points for common scenarios.

Highlights
  • Instant temperature conversion
  • Fahrenheit to Celsius and vice versa
  • Offline functionality
  • Animated thermometer
  • Contextual labels
  • Dark mode support
Features
Read full description

tempConvert is the fastest way to convert between Fahrenheit and Celsius — no ads, no clutter, no internet required. Just type a temperature and get an instant result. Whether you're traveling abroad, cooking, checking a weather forecast, or following a scientific formula, tempConvert gives you the answer in under a second. FEATURES Instant conversion — results update as you type Fahrenheit to Celsius and Celsius to Fahrenheit Negative temperature support for sub-zero values Animated thermometer that reflects current temperature Contextual labels so you know what the number actually feels like Works completely offline — no data collection, ever Full dark mode support Supports iPhone and iPad REFERENCE TEMPERATURES INCLUDED Water boils: 212°F / 100°C Body temperature: 98.6°F / 37°C Room temperature: 72°F / 22.2°C Water freezes: 32°F / 0°C Absolute zero: -459.67°F / -273.15°C THE FORMULAS °F to °C: subtract 32, multiply by 5, divide by 9 °C to °F: multiply by 9, divide by 5, add 32 tempConvert is simple by design. Open it, type a number, get your answer.

About

Celso

Features
Read full description

Celso is your friendly, lightweight temperature converter for cooks, bakers, and anyone who switches between Celsius and Fahrenheit. Whether you’re adjusting an oven recipe or converting fan-forced settings, Celso keeps it simple — and keeps your temps consistent. What you can do with Celso: → Instantly convert between °C and °F → Toggle fan-forced adjustments for accurate baking → Save your go-to foods with time and temp (e.g. “Roast Lamb – 180°C – 2 hrs”) → Comes preloaded with common oven temps — edit or delete as you like → Choose your preferred unit: °C, °F, or Fan °C → Store common temps for dishes you make often → Cut down on Googling and guesswork No logins. No pop-ups. No fluff. Just clear conversions, consistent temps, and the foods you cook most. Download Celso and stop Googling "356°F in Celsius."

Screenshots

tempConvert4 screens
Celso4 screens

Verdict

The call

tempConvert and Celso are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
tempConvert versus Celso: the parameters behind the verdict, then further details
ParametertempConvertCelso
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews88.9% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size1 MB23 MB
Age rating4+4+
DeveloperGreg AndersonSora Khan

In-app purchases

None

tempConvert

No in-app purchases

None

Celso

No in-app purchases

Questions

Is tempConvert free?
tempConvert is free to download, with no in-app purchases.
Is Celso free?
Celso is free to download, with no in-app purchases.
Do tempConvert or Celso have ads?
Neither tempConvert nor Celso shows ads.

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