# Opinion Ninja vs Security Protex

The clearest difference is ads: Security Protex at none against Opinion Ninja's shown. Security Protex also leads on rating (5.0 vs 4.6) and monetization model (free vs ad-supported). Opinion Ninja's advantage is ratings volume (57 vs 1) and update cadence (every 5 weeks vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Security Protex holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Opinion Ninja has 57 ratings behind it against 1, so its average is the more settled of the two.

Opinion Ninja ships an update every 5 weeks, Security Protex every 4 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Opinion Ninja | Security Protex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (57 ratings)](https://appshunter.io/ios/app/opinion-ninja/id6446061079/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/security-protex/id6760532974/reviews)** |
| Number of ratings | **57** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Ad-supported | **Free** |
| Size | 59 MB | 49 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Sample Ninja](https://appshunter.io/developer/1669845315) | [SOLUTIONS PROTEXA TECHNOLOGY S.R.L](https://appshunter.io/developer/1861933695) |

## What reviewers say

### Opinion Ninja

[App page](https://appshunter.io/ios/app/opinion-ninja/id6446061079)

Earn rewards by sharing your opinions through paid surveys. Redeem points for cash via PayPal or gift cards from popular retailers. Make your voice heard and get paid on the go.

**Highlights:** Take paid surveys on the go, Earn rewards for opinions, Redeem points for PayPal cash, Get gift cards from top retailers, Choose survey length and reward

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

**In-app purchases:** none


### Security Protex

[App page](https://appshunter.io/ios/app/security-protex/id6760532974)

This professional platform helps security personnel and building managers in gated communities efficiently manage operations. It offers real-time visitor verification, a detailed event log, and instant security alerts for enhanced community safety and control.

**Highlights:** Visitor access management with QR codes, Real-time permit verification, Digital event log for entries/exits, Security alert notifications, Incident reporting

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

**In-app purchases:** none


## Frequently asked questions

### Is Opinion Ninja free?

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

### Is Security Protex free?

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

### Which has better reviews, Opinion Ninja or Security Protex?

Security Protex is rated higher. Opinion Ninja averages 4.6 out of 5 from 57 ratings, while Security Protex averages 5.0 from 1 ratings.

### Do Opinion Ninja or Security Protex have ads?

Opinion Ninja shows ads; Security Protex does not.

### Which is updated more often, Opinion Ninja or Security Protex?

Opinion Ninja ships an update every 5 weeks, and Security Protex every 4 months. Most recently, Opinion Ninja was updated on November 3, 2026 and Security Protex on October 31, 2026.

---

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