OpenMind AI vs 3Denkou
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.
3Denkou
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3Denkou is a work management app for employees and teams. It brings daily work records, attendance, Nipo reports, notices, groups, and company vehicles together in one place. Main features: • Record day and night shift start and end times • Track work sites, transportation, overtime, and night allowances • Review monthly records and export Excel or PDF files • Create teams and confirm member attendance • Send notices to everyone, groups, or selected employees • Reserve, check out, and return company vehicles • Record mileage, refueling, maintenance, and vehicle notes • Manage users, access levels, teams, and vehicles 3Denkou helps teams reduce missed entries and keep monthly work information organized.
Screenshots
Verdict
The clearest difference is update cadence: 3Denkou at every 3 days against OpenMind AI's every 3 weeks. On price, ads, in-app purchases and device support 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.
OpenMind AI ships an update every 3 weeks, 3Denkou every 3 days. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.
| Parameter | OpenMind AI | 3Denkou |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 56 MB | 56 MB |
| Age rating | 12+ | 4+ |
| Developer | Sandbox Inc. | Kennedy Murakami |
In-app purchases
OpenMind AI
No in-app purchases
3Denkou
No in-app purchases
