# Shadowlink + vs Red Flag

The clearest difference is review sentiment: Shadowlink + at 64% against Red Flag's 0%. Shadowlink + also leads on rating (4.7 vs 4.0) and in-app purchases (none vs 3). Red Flag's advantage is ratings volume (103 vs 11). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Red Flag sells 3 in-app purchases, starting at $9.99 per 7 days. Shadowlink + asks for nothing beyond the download.

Shadowlink + holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Red Flag has 103 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 64% of Shadowlink +'s written reviews are positive against 0% of Red Flag's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 22, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Shadowlink + | Red Flag |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/shadowlink-plus/id6468947386/reviews)** | [4.0 (103 ratings)](https://appshunter.io/ios/app/red-flag-profile-analytics/id6759102440/reviews) |
| Number of ratings | 11 | **103** |
| Positive reviews | **64.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 12 MB | 86 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [威震 刘](https://appshunter.io/developer/1710464038) | [VGT Ventures LLC](https://appshunter.io/developer/1691621737) |

## What reviewers say

### Shadowlink +

[App page](https://appshunter.io/ios/app/shadowlink-plus/id6468947386)

This tool helps you test your network speeds and manage your online accounts securely. It provides accurate measurements for Wi-Fi, 3G, 4G, and 5G connections, along with a centralized platform for organizing login credentials.

**Highlights:** Accurate network speed testing, Upload and download speed analysis, Latency measurement, Secure account management, Password and credential organization, Cross-platform compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Red Flag

[App page](https://appshunter.io/ios/app/red-flag-profile-analytics/id6759102440)

Gain insights into public social media profiles by analyzing follower patterns and activity. Discover recent followers, identify potential connections, and receive a 'red flag' score to assess profile authenticity. No login or private data access required.

**Highlights:** Latest follower identification, AI-driven red flag score, Analysis of likely connections, Follower tracking over time, Public profile insights, No account required

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Red Flag Weekly | $9.99 | per 7 days |
| Red Flag Yearly Offer | $24.99 | per year |
| Red Flag Yearly | $24.99 | per year |


## Frequently asked questions

### Is Shadowlink + free?

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

### Is Red Flag free?

Red Flag is free to download, with in-app purchases available.

### Which has better reviews, Shadowlink + or Red Flag?

Shadowlink + is rated higher. Shadowlink + averages 4.7 out of 5 from 11 ratings, while Red Flag averages 4.0 from 103 ratings.

### Do Shadowlink + or Red Flag have ads?

Both Shadowlink + and Red Flag show ads.

### Which is updated more often, Shadowlink + or Red Flag?

Shadowlink + ships an update every 3 weeks, and Red Flag every 3 weeks. Most recently, Shadowlink + was updated on September 22, 2026 and Red Flag on October 12, 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.*