Comparison

Calculator +ㅤ vs ViPower

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

Head to head
About

Calculator +ㅤ

This app simplifies math with basic, scientific, and fraction calculations. It also features a unique snap-and-scribble function to solve problems from photos. Customize your experience with themes and access a calculation history.

Highlights
  • Snap and Scribble Calculator
  • Basic Calculator
  • Scientific Calculator
  • Fraction Calculator
  • Currency Converter
  • Calculation History
  • Customizable Themes
Features
Read full description

Calculator + App, the simplest way to make Math easy! Whether it's basic, scientific, fractions or even solving a problem you take a picture of. We've got you covered! • Snap and Scribble Calculator (NEW!) • Optimized for iPhone & iPad • Basic Calculator • Scientific Calculator • Fraction Calculator • Currrency Converter • Calculation History • Customize with Themes • Simple & Intuitive Design Introducing Rocket Apps PRO: With Rocket Apps PRO you simply subscribe once and get access to all supported Rocket Apps. The best part: we will keep adding new Apps. SUPPORT Our goal is to build the best apps in the world. You can help us by reporting bugs and requesting features via Email: help@rocketapps.com TERMS & PRIVACY https://rocketapps.com/privacy.html https://rocketapps.com/terms.html SUBSCRIPTION TERMS: The App offers an auto-renewing monthly or yearly subscription to provide you with unlimited access to all PRO Features while you maintain an active subscription. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable.

About

ViPower

Features
Read full description

Your power system. Always under control. Vi Power puts your entire power management system in your pocket — monitor live status, get instant alerts when something needs attention, and take action from anywhere. What you get: • Instant push notifications — get alerted the moment your system needs attention, even when the app is closed • Live monitoring — track power status in real time, never miss a change • Camera scanning — read QR codes and capture device data on the spot • Dark-optimized interface — clean, high-contrast design that's easy to read in any lighting condition • Fast startup — open the app, see your data immediately Built for: Field technicians, operations managers, and anyone who needs eyes on their power infrastructure — anytime, anywhere. Vi Power — ready when your system needs you.

Screenshots

Calculator +ㅤ4 screens
ViPower4 screens

Verdict

The call

The clearest difference is in-app purchases: ViPower at none against Calculator +ㅤ's 6. ViPower also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calculator +ㅤ sells 6 in-app purchases, starting at $2.99 per 7 days. ViPower asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Calculator +ㅤ versus ViPower: the parameters behind the verdict, then further details
ParameterCalculator +ㅤViPower
PriceFreeFree
Rating4.6 (4.6K ratings) — better—
Positive reviews46.7% of reviews—
Number of ratings4.6K — better—
Update frequencyFortnightly—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size55 MB21 MB
Age rating4+4+
DeveloperRocket Apps GmbHBan Nguyen

Bugs and requests

Calculator +ㅤ

Reported bugs

3 issues
  • Inaccurate square root calculations
  • Compatibility issues on iPad
  • Decimal point not recognized

Requested features

4 requests
  • Negative number support
  • Improved fraction calculator
  • Scientific calculator layout
  • Option to disable history feature

ViPower

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Calculator +ㅤ

Subscriptions6
  • Rocket Apps PRO Weekly3 Days trial$2.997 Days
  • Rocket Apps PRO Monthly3 Days trial$4.991 Month
  • Rocket Apps PRO Yearly3 Days trial$9.991 Year
Show 3 more
  • Rocket Apps PRO Offer1 Year trial$19.991 Year
  • Rocket Apps PRO Yearly3 Days trial$19.991 Year
  • Rocket Apps PRO Yearly3 Days trial$29.991 Year
None

ViPower

No in-app purchases

Questions

Is Calculator +ㅤ free?
Calculator +ㅤ is free to download, with in-app purchases available.
Is ViPower free?
ViPower is free to download, with no in-app purchases.
Do Calculator +ㅤ or ViPower have ads?
Calculator +ㅤ shows ads; ViPower does not.

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