Comparison

OpenMind AI vs Mercle

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Review robot videos
  • Contribute wireless signal insights
  • Join robot improvement quests
  • Enhance robot safety
  • Improve robot intelligence
Features
Read full description

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.

About

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.

Highlights
  • Facial feature analysis for credential creation
  • Proof of personhood identity
  • Authenticate posts and content
  • Verify chats and communications
  • Ensures genuine user presence
Read full description

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

OpenMind AI4 screens
Mercle4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
OpenMind AI versus Mercle: the parameters behind the verdict, then further details
ParameterOpenMind AIMercle
PriceFreeFree
Rating5.0 (4 ratings)5.0 (1 ratings)
Positive reviews66.7% of reviews—
Number of ratings4 — better1
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size56 MB208 MB
Age rating12+4+
DeveloperSandbox Inc.Apex Labs PTE. LTD.

Customer experience

OpenMind AI

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Mercle

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OpenMind AI

No in-app purchases

None

Mercle

No in-app purchases

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 every 2 weeks. Most recently, OpenMind AI was updated on June 1, 2026 and Mercle on September 25, 2026.

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