OpenMind AI vs Mercle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenMind AI
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.
- Review robot videos
- Contribute wireless signal insights
- Join robot improvement quests
- Enhance robot safety
- Improve robot intelligence
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Help robots succeed in everyday environments. Review and evaluate robot videos, contribute wireless signal insights, and join quests that make robots safer, smarter, and more reliable.
Mercle
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.
- Facial feature analysis for credential creation
- Proof of personhood identity
- Authenticate posts and content
- Verify chats and communications
- Ensures genuine user presence
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AI content is everywhere, making it hard to spot real humans online. Mercle uses your facial features to create a unique credential that proves you're human. Authenticate your posts, chats, and content with it, so everyone knows it's genuinely YOU.
Screenshots
Verdict
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.
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.
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 every 2 weeks. The most recent releases landed on June 1, 2026 and September 25, 2026 respectively.
| Parameter | OpenMind AI | Mercle |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (1 ratings) |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 56 MB | 208 MB |
| Age rating | 12+ | 4+ |
| Developer | Sandbox Inc. | Apex Labs PTE. LTD. |
Customer experience
OpenMind AI
Mercle
In-app purchases
OpenMind AI
No in-app purchases
Mercle
No in-app purchases









