# mEinstein vs RadarQ

The clearest difference is rating: mEinstein at 3.5 against RadarQ's 1.0. mEinstein also leads on ratings volume (4 vs 1). RadarQ's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

mEinstein holds the better App Store score, 3.5 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

mEinstein ships an update every 2 weeks, RadarQ every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | mEinstein | RadarQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/meinstein/id6446581528/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/radarq/id6754325586/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 469 MB | 37 MB |
| Requires iOS | 17.6 | **16.7** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [mEinstein LLC](https://appshunter.io/developer/1529132342) | [Radar Capital GmbH](https://appshunter.io/developer/1847867663) |

## What reviewers say

### mEinstein

[App page](https://appshunter.io/ios/app/meinstein/id6446581528)

This app empowers users to control and monetize their personal data through an ethical marketplace. It also acts as an AI companion, offering personalized insights and recommendations powered by generative models. Your data is stored locally, ensuring privacy and security.

**Highlights:** Ethical data marketplace, AI companion with LLM, Personalized recommendations, Data ownership and control, Local data storage, Transparent data monetization

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### RadarQ

[App page](https://appshunter.io/ios/app/radarq/id6754325586)

Share your opinions and earn real money or gift cards through paid surveys. The app delivers relevant surveys directly to you, making it easy to earn rewards during downtime. Cash out earnings via PayPal or popular gift cards.

**Highlights:** Earn real money and gift cards, Receive tailored survey notifications, Get paid fast with no complex points, Cash out via PayPal or gift cards, Simple profile setup

**Features:** macOS Compatibility, Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is mEinstein free?

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

### Is RadarQ free?

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

### Which has better reviews, mEinstein or RadarQ?

mEinstein is rated higher. mEinstein averages 3.5 out of 5 from 4 ratings, while RadarQ averages 1.0 from 1 ratings.

### Do mEinstein or RadarQ have ads?

mEinstein shows ads; RadarQ does not.

### Which is updated more often, mEinstein or RadarQ?

mEinstein ships an update every 2 weeks, and RadarQ every 3 weeks. Most recently, mEinstein was updated on November 3, 2026 and RadarQ on October 30, 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.*