# My Data Manager VPN Security vs J

The clearest difference is ads: My Data Manager VPN Security at none against J's shown. My Data Manager VPN Security also leads on device support (3 vs 1) and iOS requirement (14.1 vs 16.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | My Data Manager VPN Security | J |
| --- | --- | --- |
| 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 | 62.8% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 53 MB | 5 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Distimo](https://appshunter.io/developer/723466450) | [YUAN YU NIU](https://appshunter.io/developer/6802343658) |

## 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


### J

[App page](https://appshunter.io/ios/app/j-camera/id6803582284)

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

**In-app purchases:** none


## 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 J free?

J is free to download, with no in-app purchases.

### Do My Data Manager VPN Security or J have ads?

J shows ads; My Data Manager VPN Security does not.

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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.*