Opinion Ninja vs ParkPay.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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]
ParkPay.
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**ParkPay – Smart Parking Payment Solution** ParkPay is a simple and reliable parking payment application designed to help parking operators manage parking transactions efficiently. **Key Features** • **Scan Parking Tickets** – Quickly scan parking tickets to process vehicle entry and exit. • **Fast Payment Processing** – Accept parking payments securely using supported payment methods, including cash and digital payments. • **Transaction History** – View and manage payment records for better tracking and reporting. • **Easy to Use** – A clean and intuitive interface that helps complete parking transactions quickly and accurately. • **Reliable Performance** – Designed to provide a smooth and efficient parking payment experience. ParkPay helps improve parking operations by reducing manual work, minimizing errors, and keeping payment records organized. Whether managing a small parking area or a larger parking facility, ParkPay provides a convenient solution for daily parking payment management.
Screenshots
Verdict
The clearest difference is ads: ParkPay. at none against Opinion Ninja's shown. ParkPay. also leads on update cadence (daily vs every 5 weeks) and iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Opinion Ninja ships an update every 5 weeks, ParkPay. daily. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.
| Parameter | Opinion Ninja | ParkPay. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (57 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 57 — better | — |
| Update frequency | Every 5 weeks | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 59 MB | 35 MB |
| Age rating | 17+ | 4+ |
| Developer | Sample Ninja | KOK KOK CO.,LTD |
In-app purchases
Opinion Ninja
No in-app purchases
ParkPay.
No in-app purchases
