# Opinion Ninja vs ParkPay.

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.

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.

## The numbers

| Metric | Opinion Ninja | ParkPay. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (57 ratings)](https://appshunter.io/ios/app/opinion-ninja/id6446061079/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Ad-supported | — |
| Size | 59 MB | 35 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Sample Ninja](https://appshunter.io/developer/1669845315) | [KOK KOK CO.,LTD](https://appshunter.io/developer/1636094360) |

## 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


### ParkPay.

[App page](https://appshunter.io/ios/app/parkpay/id6774006127)

**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 ParkPay. free?

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

### Do Opinion Ninja or ParkPay. have ads?

Opinion Ninja shows ads; ParkPay. does not.

### Which is updated more often, Opinion Ninja or ParkPay.?

Opinion Ninja ships an update every 5 weeks, and ParkPay. daily. Most recently, Opinion Ninja was updated on October 24, 2026 and ParkPay. on October 7, 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.*