# AvidOpinion vs XD21

The clearest difference is device support: AvidOpinion at 2 against XD21's —. On price, in-app purchases 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.

## The numbers

| Metric | AvidOpinion | XD21 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 28 MB | 11 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [MARKELYTICS SOLUTIONS INDIA PRIVATE LIMITED](https://appshunter.io/developer/1093099852) | [Maryam Mintin](https://appshunter.io/developer/1765734153) |

## What reviewers say

### AvidOpinion

[App page](https://appshunter.io/ios/app/avidopinion/id1535145713)

This app consolidates multiple online survey panels into a single, easy-to-access platform. It helps users manage their survey and contest opportunities efficiently by providing real-time updates from all registered panels. Log in with your existing survey panel credentials to get started.

**Highlights:** Consolidates multiple survey panels, Real-time opportunity updates, Easy login with existing credentials, Efficient opportunity management, Streamlined survey access

**In-app purchases:** none


### XD21

[App page](https://appshunter.io/ios/app/xd21/id6670319049)

**In-app purchases:** none


## Frequently asked questions

### Is AvidOpinion free?

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

### Is XD21 free?

XD21 is free to download, with no in-app purchases.

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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.*