# OpenMind AI vs Mercle

The clearest difference is ratings volume: OpenMind AI at 4 against Mercle's 1. OpenMind AI also leads on iOS requirement (15.1 vs 17.0). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for OpenMind AI against 5.0 for Mercle. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

OpenMind AI ships an update every 3 weeks, Mercle fortnightly. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | OpenMind AI | Mercle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/openmind-ai/id6749165417/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mercle/id6751991316/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 56 MB | 210 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Sandbox Inc.](https://appshunter.io/developer/1776407890) | [Apex Labs PTE. LTD.](https://appshunter.io/developer/1837809769) |

## What reviewers say

### OpenMind AI

[App page](https://appshunter.io/ios/app/openmind-ai/id6749165417)

Contribute to robot development by reviewing video footage and providing wireless signal data. Participate in quests to enhance robot safety and intelligence in real-world settings.

**Highlights:** Review robot videos, Contribute wireless signal insights, Join robot improvement quests, Enhance robot safety, Improve robot intelligence

**Features:** macOS Compatibility

**In-app purchases:** none


### Mercle

[App page](https://appshunter.io/ios/app/mercle/id6751991316)

This app uses your facial features to generate a unique credential, verifying your identity as human. Authenticate your online content and communications to ensure authenticity.

**Highlights:** Facial feature analysis for credential creation, Proof of personhood identity, Authenticate posts and content, Verify chats and communications, Ensures genuine user presence

**In-app purchases:** none


## Frequently asked questions

### Is OpenMind AI free?

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

### Is Mercle free?

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

### Which has better reviews, OpenMind AI or Mercle?

OpenMind AI and Mercle are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do OpenMind AI or Mercle have ads?

Neither OpenMind AI nor Mercle shows ads.

### Which is updated more often, OpenMind AI or Mercle?

OpenMind AI ships an update every 3 weeks, and Mercle fortnightly. Most recently, OpenMind AI was updated on October 2, 2026 and Mercle on October 11, 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.*