Comparison

My Data Manager VPN Security vs Nautical Calculator.

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

Head to head
About

My Data Manager VPN Security

Monitor your mobile data usage in real-time across Wi-Fi, mobile, and roaming. This app helps you understand your consumption, set custom alarms to avoid overage fees, and enhances your online privacy with VPN technology.

Highlights
  • Real-time data usage monitoring
  • Mobile, Wi-Fi, and roaming tracking
  • Custom usage alarms
  • VPN for enhanced privacy
  • Secure browsing on public Wi-Fi
  • Family plan management
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MY DATA MANAGER: Take control of your mobile data plan! My Data Manager is a complete mobile data tracker, monitoring your usage in real-time, so you know exactly which of your interfaces is active (mobile, Wi-Fi, roaming) and how much data you are using. My Data Manager provides an ongoing record of your data usage, so you can know your limits, feel confident about your mobile data expenses and use your device whenever and however you want. Utilizing effective VPN technology, My Data Manager is safe and secure, offering an extra level of privacy for your mobile. Visualize, monitor and control your data usage for FREE with My Data Manager. It’s a simple and powerful data usage tracking app that helps users take control of their mobile data and save money on their monthly phone bills. Control your mobile data plans, understand your data usage, prevent rising mobile costs and avoid overage and roaming fees. My Data Manager allows you to do all this as well as set custom usage alarms that avoid overage charges while you browse or the possibility of running out of data. With My Data Manager you can: - Add an extra layer of privacy with security and data encryption - Secure your personal information and browse safely on public Wi-Fi - Monitor your data usage on mobile, Wi-Fi and roaming - Get alerts before you reach your data limit to avoid overage fees - Manage mobile data plans for your entire family and save money on your phone bills Using My Data Manager as a data tracker is easy. Once you installed it on your device, it will start monitoring your data usage for mobile and roaming. Safe and secure, My Data Manager VPN Security also ensures the privacy of your internet traffic while you browse with VPN technology, encrypting your unprotected data. Trusted by over 14.8 million users worldwide, My Data Manager VPN Security is an effective data tracker that also helps you protect and secure your online privacy. My Data Manager works well on networks around the world, including AT&T, Verizon, T-Mobile, Sprint, U.S. Cellular, China Mobile, China Unicom, China Telecom, Vodafone, Airtel, Vivo, TIM, Claro, Orange, SFR, China Telecom, SK Telecom, NTT Docomo, EE, O2, and many more. Download My Data Manager for FREE now, take control of your mobile data usage and maximize how you use your phone. “A data-packed app that’ll keep you fully informed of all your data-gobbling habits. It’s especially useful for people on limited data plans who want to avoid overage charges but is still handy for people with unlimited plans who want to avoid throttling.” - Wired “My Data Manager is an incredibly convenient tool.” – CNET “Monitoring your data use has become an essential task ... which is why apps like My Data Manager are becoming so important.” – ZDNet We’d love to hear from you and value any feedback on our app Email:support@mydatamanager.zendesk.com Facebook: https://www.facebook.com/MyDataManager/ Website: https://www.mydatamanagerapp.com/

About

Nautical Calculator.

Features
Read full description

Nautical Calculator is a complete toolkit designed for sailors, marine engineers, boating enthusiasts, and navigation professionals. Perform essential nautical calculations quickly and accurately with an easy, user-friendly interface. Whether you're at sea, studying navigation, or working in the marine industry, this app helps you compute distances, bearings, speed, fuel, tides, ETA, and many other important nautical parameters. Save your time, improve accuracy, and keep all your marine tools in one place. Key Features: Course, distance & bearing calculations, Speed, fuel, and consumption estimations, Time & ETA calculations, Sail-related and marine engineering formulas, Unit conversions for knots, nautical miles & more,, Clean, intuitive, seafarer-friendly interface, Save and share results instantly, Useful for sailors, captains, students & maritime workers, A reliable companion for boating, yachting, navigation training, and professional maritime use. in-app purchase included Lifetime to Remove Ads Privacy Policy : https://docs.google.com/document/d/1Dn1gNdDP2AHL7sg-px4rxdLAcoGHlNB8/edit#heading=h.1ionsc3v3xmq Terms and Condition : https://docs.google.com/document/d/1t-LREPKByKaM0UkbIo4o0E1gdAYs21Oe30EfGxenEss/edit?usp=sharing

Screenshots

My Data Manager VPN Security4 screens
Nautical Calculator.4 screens

Verdict

The call

The clearest difference is in-app purchases: My Data Manager VPN Security at none against Nautical Calculator.'s 1. My Data Manager VPN Security also leads on update cadence (every 2 months vs every 5 months). On price, ads, device support and iOS requirement 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. Nautical Calculator. sells 1 one-off in-app purchase. My Data Manager VPN Security asks for nothing beyond the download.

UpkeepUpdate frequency

My Data Manager VPN Security ships an update every 2 months, Nautical Calculator. every 5 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
My Data Manager VPN Security versus Nautical Calculator.: the parameters behind the verdict, then further details
ParameterMy Data Manager VPN SecurityNautical Calculator.
PriceFreeFree
Rating4.2 (3.3K ratings) — better—
Positive reviews63.0% of reviews—
Number of ratings3.3K — better—
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.1 — better15.6
Further details — not scored
Size53 MB43 MB
Age rating4+4+
DeveloperDistimoNanjibhai Gorasiya

Bugs and requests

My Data Manager VPN Security

Reported bugs

4 issues
  • Alarms not working as expected
  • Map feature not functioning properly
  • Inability to disable VPN
  • Unresponsive customer support

Requested features

5 requests
  • Dark mode option
  • Ability to track data usage by individual apps
  • Data rollover feature
  • Shared data plan management
  • Apple Watch app

Nautical Calculator.

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

My Data Manager VPN Security

No in-app purchases

1 purchases

Nautical Calculator.

One-time1
  • Lifetime premium$12.99

Questions

Is My Data Manager VPN Security free?
My Data Manager VPN Security is free to download, with no in-app purchases.
Is Nautical Calculator. free?
Nautical Calculator. is free to download, with in-app purchases available.
Do My Data Manager VPN Security or Nautical Calculator. have ads?
Neither My Data Manager VPN Security nor Nautical Calculator. shows ads.
Which is updated more often, My Data Manager VPN Security or Nautical Calculator.?
My Data Manager VPN Security ships an update every 2 months, and Nautical Calculator. every 5 months. Most recently, My Data Manager VPN Security was updated on October 29, 2026 and Nautical Calculator. on October 30, 2026.

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