Comparison

Mobile Data Assistant vs CalcKey

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

Head to head
About

Mobile Data Assistant

Monitor your cellular and Wi-Fi data usage with detailed graphs and an interactive map. Manage multiple data plans, track consumption, and stay informed with customizable widgets. Avoid unexpected costs and waste with this intuitive data management tool.

Highlights
  • Monitor cellular and Wi-Fi data usage
  • Detailed real-time graphs
  • Interactive data consumption map
  • Manage multiple data plans
  • Customizable home and lock screen widgets
  • Track data plan renewal dates
Read full description

Mobile Data Assistant: the ultimate app for monitoring data consumption. An intuitive app that allows you to keep tabs on your cellular and Wi-Fi data consumption. With detailed graphs and an interactive map, Mobile Data Assistant provides a comprehensive view of your data usage, helping you avoid waste, unexpected costs, and better manage your data plan. Manage your data plan like never before. Mobile Data Assistant not only tracks your data consumption, but also gives you the flexibility to manage multiple data plans, ideal for those who have multiple tariff plans active at the same time. What's more, with its customizable lock screen and home screen widgets, you always have essential information at your fingertips about your data consumption and how many days until renewal. With Mobile Data Assistant, controlling your data is easier and more accessible. Download the app now and experience the convenience of having all the information you need, always visible and up-to-date. - Intuitive graphs: Monitor your data usage with clear, real-time graphs and analyze your historical consumption. - Interactive map: Identify areas on the map where data is consumed the most. - Multiple data plans: Set up and monitor multiple data plans at once. - Unlimited data plans: Support for unlimited and perpetual data plans. - Wi-Fi monitoring: Simultaneous monitoring of Wi-Fi and Cellular. - Widgets: Add customizable widgets to your lock screen and home screen to quickly access data consumption information without opening the app. Download Mobile Data Assistant and start browsing with peace of mind, knowing that every byte is under your control.

About

CalcKey

Perform calculations directly within any app using a smart keyboard extension. Get instant results for basic and scientific equations, with a history of your calculations. Enjoy a seamless typing experience and smart formatting.

Highlights
  • Keyboard calculator extension
  • Real-time results
  • Basic & scientific calculators
  • Calculation history
  • Smart formatting
  • Standalone app option
Features
Read full description

CalcKey – Smart Calculator Keyboard Calculate Instantly. Anywhere. Anytime. No more switching between apps just to do quick math! With CalcKey, you get a powerful calculator app and an intelligent keyboard extension — so you can calculate right inside Messages, Notes, Mail, or any app without ever leaving your screen. Key Features: - Keyboard Calculator Extension – Instantly calculate while chatting or typing. Works in Messages, WhatsApp, Notes, and more! - Real-Time Results – Get instant answers as you type. - Basic & Scientific Calculators – From quick sums to advanced equations, CalcKey does it all. - Calculation History – View, copy, or reuse past results easily. - Haptic Feedback – Enjoy subtle vibrations for a smooth typing experience. - Smart Formatting – Supports decimals, thousands separators, and clear result display. - Works Everywhere – Use it as a standalone app or directly from your keyboard. Perfect for messaging apps! Reply, calculate, and chat — all without leaving the conversation. CalcKey makes multitasking effortless. Subscription Pricing, Policy & Terms: - Monthly Plan - $3.99/per month - LifeTime Access - $19.99/One time charge - Subscription automatically renews unless auto-renew is turned off at least 24 - hours before the end of the current period. - Payment will be charged to iTunes Account at confirmation of purchase. - Account will be charged for renewal within 24-hours prior to the end of the current period. - No cancellation of the current subscription is allowed during the active subscription period. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period will be forfeited when the user purchases a subscription. Terms & Condition: https://www.righttracksit.com/calckey/terms Privacy Policy: https://www.righttracksit.com/calckey/privacy-policy

Screenshots

Mobile Data Assistant4 screens
CalcKey4 screens

Verdict

The call

Mobile Data Assistant and CalcKey both sit at 3.7 stars, but that hides the real split: 43% of Mobile Data Assistant's written reviews are positive against 0% of CalcKey's. CalcKey's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). On price, rating, ratings volume and in-app purchases 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. Mobile Data Assistant sells 1 one-off in-app purchase and CalcKey sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.7 for Mobile Data Assistant against 3.8 for CalcKey. Both are backed by a comparable volume of ratings — 6 and 8 respectively. Written reviews are what separate them: 43% of Mobile Data Assistant's written reviews are positive against 0% of CalcKey's.

UpkeepUpdate frequency

Mobile Data Assistant ships an update every 6 weeks, CalcKey every 3 weeks. The most recent releases landed on September 11, 2026 and September 9, 2026 respectively.

Scorecard5 real differences · 5 level
Mobile Data Assistant versus CalcKey: the parameters behind the verdict, then further details
ParameterMobile Data AssistantCalcKey
PriceFreeFree
Rating3.7 (6 ratings)3.8 (8 ratings) — better
Positive reviews42.9% of reviews — better0.0% of reviews
Number of ratings68 — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015 — better
Further details — not scored
Size10 MB14 MB
Age rating4+4+
DeveloperFausto RistagnoRight Tracks IT Limited

Customer experience

Mobile Data Assistant

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews7 reviews
Positive42.9%
Neutral14.3%
Negative42.9%

CalcKey

All ratings8 ratings
Positive62.5%
Neutral0.0%
Negative37.5%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

1 purchases

Mobile Data Assistant

One-time1
  • Premium lifetime$2.99
2 purchases

CalcKey

Subscriptions1
  • CalcKey Pro Monthly3 Days trial$3.991 Month
One-time1
  • One time purchase$19.99

Questions

Is Mobile Data Assistant free?
Mobile Data Assistant is free to download, with in-app purchases available.
Is CalcKey free?
CalcKey is free to download, with in-app purchases available.
Which has better reviews, Mobile Data Assistant or CalcKey?
CalcKey is rated higher. Mobile Data Assistant averages 3.7 out of 5 from 6 ratings, while CalcKey averages 3.8 from 8 ratings.
Do Mobile Data Assistant or CalcKey have ads?
Mobile Data Assistant shows ads; CalcKey does not.
Which is updated more often, Mobile Data Assistant or CalcKey?
Mobile Data Assistant ships an update every 6 weeks, and CalcKey every 3 weeks. Most recently, Mobile Data Assistant was updated on September 11, 2026 and CalcKey on September 9, 2026.

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