Comparison

tempConvert vs Authenticator App

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

Authenticator App

This app generates secure, offline two-factor authentication codes for all your major online accounts. It offers iCloud sync for Apple devices and allows for easy organization and deletion of codes. Upgrade for unlimited accounts and advanced categorization.

Highlights
  • Supports major platforms (Google, Instagram, Facebook, GitHub)
  • Import 2FA codes from screenshots
  • iCloud Sync across Apple devices
  • Organize codes into categories
  • Private and offline code storage
  • Generates TOTP codes securely
Features
Read full description

Key Features: - Supports all major platforms – Seamlessly works with Google, Instagram, Facebook, GitHub, and others. - Scan QR from image – Easily import 2FA codes from screenshots or saved photos. - iCloud Sync – Securely sync your 2FA codes across all your Apple devices. - Organize your codes – Sort accounts into categories and keep everything tidy. - Swipe to delete – Clean up unused codes with a quick swipe. - Private & offline – Your codes are stored locally on your device — never uploaded. - Built for simplicity, speed, and security, Keyzy Authenticator generates TOTP codes safely and offline. Unlock More Power: Add up to 2 accounts for free. Upgrade with a one-time purchase to unlock unlimited accounts and organize them into categories. Whether you’re a developer, social media user, or just someone who cares about account security, Keyzy Authenticator: 2fa is the must-have tool to keep your digital life protected. Privacy Policy: https://sites.google.com/view/2facodeauthenticator-privacy Apple EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

tempConvert4 screens
Authenticator App4 screens

Verdict

The call

The clearest difference is in-app purchases: tempConvert at none against Authenticator App's 3. Authenticator App's advantage is update cadence (every 2 weeks vs every 2 months). On price, rating, ratings volume and ads 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. Authenticator App sells 3 in-app purchases, starting at $3.99 per month. tempConvert asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for tempConvert against 5.0 for Authenticator App. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

tempConvert ships an update every 2 months, Authenticator App every 2 weeks. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 7 level
tempConvert versus Authenticator App: the parameters behind the verdict, then further details
ParametertempConvertAuthenticator App
PriceFreeFree
Rating5.0 (2 ratings)5.0 (2 ratings)
Positive reviews88.9% of reviews—
Number of ratings22
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.6
Further details — not scored
Size1 MB7 MB
Age rating4+4+
DeveloperGreg AndersonRETRYTECH LLP

Customer experience

tempConvert

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive88.9%
Neutral11.1%
Negative0.0%

Authenticator App

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

tempConvert

No in-app purchases

3 purchases

Authenticator App

Subscriptions2
  • Monthly$3.991 Month
  • Yearly3 Days trial$12.991 Year
One-time1
  • Lifetime$24.99

Questions

Is tempConvert free?
tempConvert is free to download, with no in-app purchases.
Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Which has better reviews, tempConvert or Authenticator App?
tempConvert and Authenticator App are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.
Do tempConvert or Authenticator App have ads?
Neither tempConvert nor Authenticator App shows ads.
Which is updated more often, tempConvert or Authenticator App?
tempConvert ships an update every 2 months, and Authenticator App every 2 weeks. Most recently, tempConvert was updated on September 19, 2026 and Authenticator App on September 23, 2026.

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