# My Data Manager VPN Security vs Nautical Calculator.

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.

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.

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.

## The numbers

| Metric | My Data Manager VPN Security | Nautical Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (3.3K ratings)](https://appshunter.io/ios/app/my-data-manager-vpn-security/id477865384/reviews)** | — |
| Number of ratings | **3.3K** | — |
| Positive reviews | 63.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 53 MB | 43 MB |
| Requires iOS | **14.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Distimo](https://appshunter.io/developer/723466450) | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) |

## What reviewers say

### My Data Manager VPN Security

[App page](https://appshunter.io/ios/app/my-data-manager-vpn-security/id477865384)

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate data tracking
- 📊 Helpful data usage breakdown
- ⚠️ Useful data usage alerts
- 📍 Location-based data usage tracking

**What reviewers complain about**

- 🐛 Inconsistent data tracking accuracy
- 🔋 High data consumption by the app itself
- 🔌 VPN causing connectivity issues
- 🔍 Inability to identify data-hungry apps
- 🤫 Privacy concerns around VPN usage

**Reported bugs**

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

**Requested features**

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


### Nautical Calculator.

[App page](https://appshunter.io/ios/app/nautical-calculator/id6755711720)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $12.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*