Comparison

Urozetta eSIM vs ChangeUnits2

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

Head to head
About

Urozetta eSIM

This app provides affordable eSIM plans for mobile data, calls, and texts in over 200 countries. It allows users to download and activate digital SIM plans instantly without needing a physical card or store visit, ensuring seamless connectivity for travelers.

Highlights
  • eSIM plans for 200+ countries
  • Instant activation
  • No physical SIM card required
  • Local, regional, and global plans
  • Transparent pricing
  • Trusted by 4M+ customers
Features
Read full description

Urozetta eSIM — Stay Connected Worldwide Affordable Urozetta eSIM plans in 200+ destinations. From Wi-Fi and SIM cards trusted by 4,000,000+ customers, Urozetta now brings the same reliable service to eSIM. What is an eSIM? An eSIM is a digital SIM already built into your phone. No plastic cards or store visits required. Download a plan, activate it in minutes, and start using data right away. What is a Urozetta eSIM plan? A Urozetta eSIM plan keeps you connected with mobile data, calls, and texts—no physical SIM card needed. Choose from local, regional, or global eSIM plans and get online in over 200 countries and regions. Just download your eSIM, install it on your device, and you’re ready to connect the moment you land! How it works 1. Install the Urozetta app 2. Choose a local, regional, or global plan for your travel destination. 3. Activate your eSIM from the app. 4. Get online in seconds wherever you go. Available for 200+ countries and regions, including: - United States - France - United Kingdom - Mexico - Italy - Japan - Spain - Canada - Korea - South Africa - India - Hong Kong - Turkey - Thailand - Germany - Greece - Denmark - China - Austria Why Urozetta? - Stay connected in 200+ countries and regions. - Get online instantly with no SIM card swapping. - Affordable plans with transparent pricing. - Choose local, regional, or global eSIMs. - Trusted by over 4M travelers with 20+ years of experience. Happy travels! - Stay connected with Urozetta! Discover travel tips, inspiration, and updates from the Urozetta community on Instagram, TikTok, YouTube, and Facebook.

About

ChangeUnits2

This powerful utility app offers lightning-fast and accurate unit conversions for a wide range of needs. It includes advanced math functions, currency exchange, time zone tracking, and even chemical equation balancing. Designed for professionals and everyday users alike, it works offline and remembers your last calculations.

Highlights
  • Extreme speed and accuracy
  • Offline functionality
  • Currency exchange converter
  • Global time zone tracking
  • Advanced math functions
  • Chemical equation balancing
  • Last 33 calculations remembered
Features
Read full description

Designed by an Engineer from the Semiconductor Industry, ChangeUnits2 is Built for Extreme Speed and Versatility. ChangeUnits2 is Very Fast. ChangeUnits2 is Very Accurate. ChangeUnits2 Fits inside your Pocket and Doesn't Require a Signal. ChangeUnits2 even Knows what Time it will be HERE (in your Current Location) at 7am in Tokyo. ChangeUnits2 is Built for EVERYONE. It has a Button for virtually ANY Unit and is Very Easy to Use. Tap on the Woman Welder on the Right to Launch the Quick Unit Selection Screen. Toggle the "Longform List" / "Engineering List" button to Switch Between 1) a List of Unit Buttons in Shortform Engineering style, or 2) in Longform style for a more Wordy Description. note: this ALSO toggles between Scientific Notation & Standard Decimal Form. Quickly change between Thermal Units of BTUs / Therms / Kwh / kCals / and even Gallons of Gasoline Need even more Significant Figures? Just add Zero's to the end of the number you entered, press "Convert Units" and ChangeUnits2 will do the rest. Use the built in Currency Converter travelCash, travelCash2, travelCash3 and travelCash4 to Easily VISUALIZE ANY Monetary Exchange Rate. Whether the Exchange Rate is in [Dollars : Donuts] or [Donuts : Dollars]....ChangeUnits2 handles it like a Pro! Effortlessly Calculate the Number of Pints of Beer held in a 1/2 Barrel Keg for your Big Football Party. Converting Between Standard and Metric has never been so Easy!! Easily keep track of the Time in Major Cities while you are ANYWHERE in the World!! No signal needed. Use the Globe Buttons to arrange International Meetings.....based on your Preferred Time....or even Theirs. Schedule a meeting at 7am Tokyo time, or 7am Los Angeles time. ConvertUnits2 will help you keep track of time like a Pro. Perform advanced math functions right in the App. It's so easy and convenient! Even exponents, Ln, Log, Prime Numbers and Square Roots. Balance Chemical Equations from ANYWHERE! Now you can bring your Periodic Table of the Elements with You! Thank you, Uncle Sam! Calculate the Minimum Fall Time / Maximum Energies / Maximum Speeds of a Fall from nearly ANY Height. Now you're the real life McGuber! The "Last Values" button Remembers your Last 33 Calculations using "Convert Units" Now you can show Data you compiled right on your iPhone without re-entering the Information. It's so Easy ChangeUnits2 will Change your Life for the Better It's a Science & Engineering Professional's Dream!

Screenshots

Urozetta eSIM4 screens
ChangeUnits24 screens

Verdict

The call

The clearest difference is price: Urozetta eSIM at Free against ChangeUnits2's $0.99. On update cadence, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Urozetta eSIM is free to download; ChangeUnits2 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Urozetta eSIM ships an update every 5 weeks, ChangeUnits2 every 4 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard2 real differences · 8 level
Urozetta eSIM versus ChangeUnits2: the parameters behind the verdict, then further details
ParameterUrozetta eSIMChangeUnits2
PriceFree — better$0.99
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 5 weeksEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.6
Further details — not scored
Size20 MB17 MB
Age rating17+4+
DeveloperUROCOMM INTERNATIONAL LIMITEDJack McCormack

Customer experience

Urozetta eSIM

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ChangeUnits2

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Urozetta eSIM

No in-app purchases

None

ChangeUnits2

No in-app purchases

Questions

Is Urozetta eSIM free?
Urozetta eSIM is free to download, with no in-app purchases.
Is ChangeUnits2 free?
ChangeUnits2 costs $0.99, with no in-app purchases.
Do Urozetta eSIM or ChangeUnits2 have ads?
Neither Urozetta eSIM nor ChangeUnits2 shows ads.
Which is updated more often, Urozetta eSIM or ChangeUnits2?
Urozetta eSIM ships an update every 5 weeks, and ChangeUnits2 every 4 weeks. Most recently, Urozetta eSIM was updated on November 3, 2026 and ChangeUnits2 on November 7, 2026.

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