Comparison

Opinion Ninja vs Security Protex

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Opinion Ninja

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
Read full description

You MUST have an existing membership and email with a market research panel associated with Opinion Ninja! Getting started is easy. Download the app and log in with the same email address you used to sign up to your market research panel associated with Opinion Ninja. OpinionNinja is the top place to get paid for your opinions. Take hundreds of paid surveys for money on the go, wherever you are. Choose the ideal survey length and reward amount from hundreds of available opportunities on your schedule. Make a difference with your opinion with paid surveys. TAKE SURVEYS The OpinionNinja App allows you to get paid for giving your opinion and making money on the go or at home with your smartphone or tablet. Complete surveys on various important topics and make your opinion count. GET CASH AND FREE GIFT CARDS OpinionNinja has hundreds of Gift Cards available with the leading retailers! Redeem your Reward Points for PayPal cash or gift cards at Amazon, Apple, Target, Mastercard, Walmart, Starbucks, Uber, and many more. Cash out your rewards for gift card values starting at just $1. [:mav: 1.1.34]

About

Security Protex

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
Read full description

Protexa Security is the comprehensive solution designed for security personnel and building management in gated communities. Our professional platform empowers you to manage security operations efficiently: • Access Management: Real-time verification of permits and QR codes for visitors, service providers, and residents. • Event Log: Detailed digital ledger of all entries, exits, and security alerts for complete traceability. • Critical Notifications: Instant reception of security alerts and incident reports within the complex. Optimize your community’s operational control with a tool built for modern security management.

Screenshots

Opinion Ninja4 screens
Security Protex1 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Opinion Ninja versus Security Protex: the parameters behind the verdict, then further details
ParameterOpinion NinjaSecurity Protex
PriceFreeFree
Rating4.6 (57 ratings)5.0 (1 ratings) — better
Positive reviews80.0% of reviews—
Number of ratings57 — better1
Update frequencyEvery 5 weeks — betterEvery 4 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.1 — better
Further details — not scored
Size59 MB49 MB
Age rating17+4+
DeveloperSample NinjaSOLUTIONS PROTEXA TECHNOLOGY S.R.L

Customer experience

Opinion Ninja

All ratings52 ratings
Positive94.2%
Neutral0.0%
Negative5.8%
Written reviews10 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Security Protex

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Opinion Ninja

No in-app purchases

None

Security Protex

No in-app purchases

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.

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