# Online Security App vs LineFly

The clearest difference is in-app purchases: LineFly at none against Online Security App's 3. Online Security App's advantage is iOS requirement (12.4 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Online Security App sells 3 in-app purchases, starting at $7.99 per 7 days. LineFly asks for nothing beyond the download.

Online Security App ships an update every 11 days, LineFly every 9 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Online Security App | LineFly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (52 ratings)](https://appshunter.io/ios/app/online-security-app/id6446363119/reviews)** | — |
| Number of ratings | **52** | — |
| Positive reviews | 94.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 11 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Online Security LTD](https://appshunter.io/developer/1677544950) | [Giorgio Durante](https://appshunter.io/developer/1800154480) |

## What reviewers say

### Online Security App

[App page](https://appshunter.io/ios/app/online-security-app/id6446363119)

This app provides comprehensive security and privacy tools for iPhones. It offers features like identity protection, a password manager, secure VPN browsing, and real-time threat monitoring to safeguard your digital life.

**Highlights:** Device Info, Identity Protection, Password Manager, VPN Secure Browsing, Real-time Call Blocker, Anti-Theft

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $7.99 | per 7 days |
| Premium | $29.99 | per month |
| Premium | $59.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🔒 Feels secure
- 🚀 Works well
- 👍 Reliable
- 👍 Free version is good

**What reviewers complain about**

- 💰 Subscription required for help
- 💰 Too many in-app purchases


### LineFly

[App page](https://appshunter.io/ios/app/linefly/id6773483168)

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

**In-app purchases:** none


## Frequently asked questions

### Is Online Security App free?

Online Security App is free to download, with in-app purchases available.

### Is LineFly free?

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

### Do Online Security App or LineFly have ads?

Neither Online Security App nor LineFly shows ads.

### Which is updated more often, Online Security App or LineFly?

Online Security App ships an update every 11 days, and LineFly every 9 days. Most recently, Online Security App was updated on October 15, 2026 and LineFly on October 16, 2026.

---

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