Comparison

Calculator!! vs VirtualShield VPN

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

Head to head
About

Calculator!!

This advanced calculator offers a comprehensive history of your calculations and supports complex functions like fraction manipulation, angle conversions, and equation solving. It also includes specialized tools for engineers and a dice roller.

Highlights
  • Calculation history
  • Fraction manipulation
  • Angle conversions (degrees, minutes, seconds)
  • Permutation, combination, LCM, GCD
  • Quadratic and linear equation solver
  • Coordinate conversion
  • Dice roller
Features
Read full description

Calculator!! has the following additional functionality compared with most available calculators: - Shows the expression as you enter and keeps a history of your calculations (Swipe up on the screen to access the history.) - Capability of performing fraction manipulations and converting between different formats (proper, improper, and mixed fractions) and seamless integration of fraction, integer, and decimal manipulations. - Capability of inputting degrees, minutes, and seconds for angles and converting between degrees-minutes-seconds format and decimal format. - Capability of calculating permutation, combination, Least Common Multiple (LCM), and Greatest Common Divisor (GCD). - Quadratic and system of two linear equations solver - Rectangular to polar and polar to rectangular coordinate conversion (extremely useful for phasor calculations for electrical engineers) - Throws a set of dice (choice of 1 die to 4 dice) - Backspace to delete last digit entered. - Tip Calculator - Geometry Calculator - The left pane scrolls to reveal more functionality without a need to switch modes. The digits and most common operations are always visible and the less common operations can be revealed by scrolling the left half of the screen. - Sinusoidal functions can be calculated for angles in units of degrees, radians, or gradians. - Showing the content of memory on MR button, as long as it fits. Calculator!! is an ongoing project and we are working on more features and functions to be added to every update of the app. You are going to love the simplicity of the user interface and you will get used to the extra functionality added to this product. Please do not hesitate to contact us for any questions, comments, to report any bugs, or to suggest additional functions you would like to see in the upcoming updates.

About

VirtualShield VPN

Browse the internet securely and privately with military-grade encryption and a strict no-log policy. Enjoy fast, unlimited bandwidth for seamless online activity. Simply download, log in, and connect for instant privacy and security.

Highlights
  • Military-grade encryption
  • Strict no-log policy
  • Unlimited bandwidth
  • Fast VPN speeds
  • Simple to use interface
  • Global network access
Read full description

Browse the internet without fear of being hacked, tracked, or monitored. VirtualShield's industry leading VPN will keep you private and secure when browsing the Internet. We offer you the highest level of privacy by utilizing military-grade encryption and strict no-log policies. • No-Log Policy VirtualShield has a strict No-Logs Policy, which means we do not keep any sort of digital record of what our users do online. In fact, everything is encrypted so that you connect to our servers completely anonymously. We take your privacy extremely seriously. • Fastest VPN Speeds with Unlimited Bandwidth As internet providers across the globe offer higher in-home internet speeds, it’s important to have a VPN that is capable of keeping up with your high-speed connection. Unlike other providers, VirtualShield does not limit your bandwidth or speed. Our global network and unique infrastructure ensures that we are able to offer you unparalleled levels of access, all across the world. It's always fast, unlimited, and private. • Simple to Use Unlike other VPN's, VirtualShield takes only three steps to enable your online privacy and security: download, log in, and connect. That’s it, no technical knowledge required! To contact our 24/7 Support Team please visit support.virtualshield.com or email support@virtualshield.com. https://virtualshield.com/legal/apple-iap https://virtualshield.com/legal/privacy https://virtualshield.com/legal/terms https://virtualshield.com/legal/eula

Screenshots

Calculator!!4 screens
VirtualShield VPN4 screens

Verdict

The call

The clearest difference is price: VirtualShield VPN at Free against Calculator!!'s $0.99. VirtualShield VPN also leads on update cadence (every 2 months vs every 10 months). Calculator!!'s advantage is review sentiment (75% vs 32%) and rating (4.5 vs 3.4). On ratings volume, ads 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

VirtualShield VPN is free to download; Calculator!! costs $0.99 up front. VirtualShield VPN sells 3 in-app purchases, starting at $12.99 per month. Calculator!! asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calculator!! holds the better App Store score, 4.5 against 3.4. Both are backed by a comparable volume of ratings — 56 and 109 respectively. Written reviews point the same way: 75% of Calculator!!'s written reviews are positive against 32% of VirtualShield VPN's.

UpkeepUpdate frequency

Calculator!! ships an update every 10 months, VirtualShield VPN every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
Calculator!! versus VirtualShield VPN: the parameters behind the verdict, then further details
ParameterCalculator!!VirtualShield VPN
Price$0.99Free — better
Rating4.5 (56 ratings) — better3.4 (109 ratings)
Positive reviews75.0% of reviews — better31.9% of reviews
Number of ratings56109 — better
Update frequencyEvery 10 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.0 — better16.0
Further details — not scored
Size12 MB33 MB
Age rating4+4+
DeveloperDogaheVirtualShield, LLC

Customer experience

Calculator!!

All ratings56 ratings
Positive85.7%
Neutral5.4%
Negative8.9%
Written reviews8 reviews
Positive75.0%
Neutral12.5%
Negative12.5%

VirtualShield VPN

All ratings107 ratings
Positive55.1%
Neutral7.5%
Negative37.4%
Written reviews47 reviews
Positive31.9%
Neutral6.4%
Negative61.7%

Bugs and requests

Calculator!!

Not enough reviews yet to summarise bugs or requests.

VirtualShield VPN

Reported bugs

36 issues
  • App locks up regularly
  • Phone becomes a useless brick without VPN
  • Internet won't work at all
  • App only works sometimes
  • Doesn't work with older computers
Show 31 more
  • Reload everyday
  • Charged for another year after deletion request
  • Charged expired debit card
  • Not easy to unsubscribe
  • Phone isn't working unless VPN is off
  • Locking out of internet usage
  • Cannot call to speak to anyone
  • Cannot get prorated refund
  • New update not working
  • Disconnects whenever it wants
  • Uninstall repeatedly to get it to work
  • Text support wants users to fix it themselves
  • Slows phone down significantly
  • Cannot login
  • App shows connecting then 'Not Connected'
  • Phone is sluggish
  • 4G LTE takes 10 minutes to load
  • Worthless product, uninstall/reinstall needed
  • Doesn't work if phone reboots
  • Cuts off access to many apps
  • Customer service does not respond
  • Cannot load into phone with same info as tablet
  • Keyboard blocks screen on iOS
  • No internet when VPN is on
  • Connection issues on PC
  • Phone wouldn't hold connect
  • New app appears without notification
  • Constantly re-download needed
  • Slow to connect to server
  • System won't open on iPad
  • Cannot slide down after password on phone

Requested features

5 requests
  • Allow landscape mode on iPad
  • Improve compatibility with Apple devices
  • Provide renewal reminders
  • Make cancellation process easier
  • Address data collection concerns

In-app purchases

None

Calculator!!

No in-app purchases

3 purchases

VirtualShield VPN

Subscriptions3
  • VPN Personal (Monthly)1 Month trial$12.991 Month
  • VPN Family (Monthly)$29.991 Month
  • VPN Personal (Annual)$107.991 Year

Questions

Is Calculator!! free?
Calculator!! costs $0.99, with no in-app purchases.
Is VirtualShield VPN free?
VirtualShield VPN is free to download, with in-app purchases available.
Which has better reviews, Calculator!! or VirtualShield VPN?
Calculator!! is rated higher. Calculator!! averages 4.5 out of 5 from 56 ratings, while VirtualShield VPN averages 3.4 from 109 ratings.
Do Calculator!! or VirtualShield VPN have ads?
Neither Calculator!! nor VirtualShield VPN shows ads.
Which is updated more often, Calculator!! or VirtualShield VPN?
Calculator!! ships an update every 10 months, and VirtualShield VPN every 2 months. Most recently, Calculator!! was updated on November 1, 2026 and VirtualShield VPN on November 3, 2026.

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