Comparison

Calculator⁼ vs Control App

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

Head to head
About

Calculator⁼

This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.

Highlights
  • Basic & Scientific Calculator
  • Live Currency Converter
  • History Tape
  • Equation Edit Function
  • Degrees or Radians Calculation
  • Memory Banks
Features
Read full description

Calculator is a clean, easy-to-use calculator app for everyday math and more. It handles basic calculations and scientific functions when you need them and keeps a history of your past results so you can quickly go back and check or reuse them. With its classic design, it feels familiar and straightforward—perfect for quick sums at work, school, or home. AVAILABLE FOR FREE • Basic & Scientific Calculator • Great Visibility; Big buttons for easy calculations • Live Currency Converter; get exchange rate prices • History Tape; Track all calculations, taxes, and expenses • Equation edit function • Calculate with Degrees or Radians • Memory Banks • Choose your Decimal Notation • Set the Number of Decimals • Available in 12 languages • Made for iPad & iPhone • Support Split View & Dark Mode BASIC AND SCIENTIFIC Rotate your device to access all scientific buttons. Or if you prefer calculating in portrait mode, simply swipe left. YOUR EXPERIENCE IS IMPORTANT TO US! As your experience is important to us, we’re happy with your feedback, questions, and suggestions. Please share any support as our team is always ready to help via support@impalastudios.com Mathematical Operations Addition, Subtraction, Division, Multiplication, Percentages, Square, Cubic Exponent, Nth Exponent, Square Root, Cubic Root, Nth Root, Engineering Exponent, Factorial, Power of Two, Power of Ten, Power of E, Natural Logarithm, Common Logarithm, Binary Logarithm, Sine, Cosine, Tangent, Arc Sine, Arc Cosine, Arc Tangent, Hyperbolic Sine, Hyperbolic Cosine, Hyperbolic Tangent, Hyperbolic ArcSine, Hyperbolic Arc Cosine, Hyperbolic ArcTangent, Multiplicative Inverse, Random Number Input LOVING CALCULATOR? Please show your support by rating us! Thank you. Calculator (C) 2011 Impala Studios Terms & Conditions: https://impalastudios.com/terms Privacy Policy: https://impalastudios.com/privacy

About

Control App

This app connects your smart device to a global satellite network for internet access outside cellular coverage. It offers setup assistance, control over shared connections, and visibility of data usage. Features include signal strength indicators, network registration, and device management.

Highlights
  • Setup assistance
  • Shared access control
  • Data usage visibility
  • Signal strength indicator
  • Network registration
  • Device management
  • Firewall pre-sets
Features
Read full description

IsatHub control app links your smart device to Inmarsat’s global 3G satellite network via a Wideye iSavi terminal. IsatHub - A global smart device connectivity service that will enable your smart phone or tablet to access the internet outside of cellular or fixed terrestrial coverage. This app will provide you with: · set-up assistance, · full control over shared access · visibility of data usage which comes in useful as multiple devices can share one IsatHub connection Other useful features include: · Signal strength indicator with pointing assistance · Network registration · Manage each connected device with service · access controls and usage counters · Battery / AC status indicator · Firewall pre-set selections · · Two security levels · MAC address filtering · WiFi password control · Terminal temperature warning · Personal assistance button · User help

Screenshots

Calculator⁼4 screens
Control App3 screens

Verdict

The call

The clearest difference is in-app purchases: Control App at none against Calculator⁼'s 8. Control App also leads on ads (none vs shown) and rating (5.0 vs 4.6). Calculator⁼'s advantage is ratings volume (359K vs 1). On price, update cadence 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⁼ sells 8 in-app purchases, starting at $0.49 per 7 days. Control App asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Control App holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Calculator⁼ has 359K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Calculator⁼ ships an update monthly, Control App every 6 weeks. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

Scorecard6 real differences · 4 level
Calculator⁼ versus Control App: the parameters behind the verdict, then further details
ParameterCalculator⁼Control App
PriceFreeFree
Rating4.6 (359K ratings)5.0 (1 ratings) — better
Positive reviews35.6% of reviews—
Number of ratings359K — better1
Update frequencyMonthly — betterEvery 6 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.08.0 — better
Further details — not scored
Size159 MB35 MB
Age rating4+4+
DeveloperImpala StudiosInmarsat Global Limited

Customer experience

Calculator⁼

All ratings358,262 ratings
Positive91.4%
Neutral3.7%
Negative4.9%
Written reviews808 reviews
Positive35.6%
Neutral6.8%
Negative57.5%

Control App

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

Bugs and requests

Calculator⁼

Reported bugs

3 issues
  • History not always showing all entries
  • Ads covering up parts of the screen
  • Inability to close full-screen ads

Requested features

4 requests
  • Add fraction button
  • Option to clear calculation history
  • Ability to copy/paste results
  • Customizable layout and themes

Control App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Calculator⁼

Subscriptions6
  • Weekly Premium Access3 Days trial$0.497 Days
  • Monthly full access3 Days trial$1.991 Month
  • Weekly Premium Access3 Days trial$1.997 Days
Show 3 more
  • Limited Time Offer$4.991 Year
  • Premium Yearly3 Days trial$5.991 Year
  • Annual Premium Access$9.991 Year
One-time2
  • Retro Theme Calculator'$0.99
  • Lifetime Full Access$14.99
None

Control App

No in-app purchases

Questions

Is Calculator⁼ free?
Calculator⁼ is free to download, with in-app purchases available.
Is Control App free?
Control App is free to download, with no in-app purchases.
Which has better reviews, Calculator⁼ or Control App?
Control App is rated higher. Calculator⁼ averages 4.6 out of 5 from 359K ratings, while Control App averages 5.0 from 1 ratings.
Do Calculator⁼ or Control App have ads?
Calculator⁼ shows ads; Control App does not.
Which is updated more often, Calculator⁼ or Control App?
Calculator⁼ ships an update monthly, and Control App every 6 weeks. Most recently, Calculator⁼ was updated on November 7, 2026 and Control App on November 6, 2026.

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