acre One vs Otoos
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
acre One
Manage mobile credentials and engage with cardholders. This app provides two-factor authentication, password-less login, and the ability to unlock doors. Users can also audit their access history and receive security notifications.
- Mobile credential management
- Two-factor authentication
- Password-less login
- Door unlocking
- Access history audit
- Push notifications
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acre One is the premier mobile credentialing and cardholder engagement app. With acre One, cardholder credentials are managed directly within acre Security, including ID assignment and credential revocation. Additional functionality includes 2 factor authentication for access authorization at doors, password-less login capabilities to acre's cloud-based access control and visitor management applications, and the ability to momentarily unlock assigned doors. Plus, acre One allows employees to audit their own door access history and receive important push notifications directly to their phone from security administrators.
Otoos
This app facilitates a safe working environment by enabling proactive hazard prevention. It empowers foremen, staff, and safety managers to implement controls efficiently, minimizing response times for corrective actions.
- Proactive hazard prevention
- Cooperative safety control implementation
- Efficient deviation management
- Minimized response times
- Professional safety reporting
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This inspection-based app is designed to provide a safe working environment while providing proactive solutions to prevent hazardous scenarios. This powerful tool enables the Foreman, site staff and safety manager to implement safety controls in a cooperative, professional and efficient manner while minimizing response times between locating deviations and implementing their corrective actions.
Screenshots
Verdict
The clearest difference is rating: Otoos at 5.0 against acre One's 1.7. Otoos also leads on update cadence (every 2 weeks vs every 2 months). acre One's advantage is ratings volume (14 vs 4). On price, ads, in-app purchases and monetization model 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.
Otoos holds the better App Store score, 5.0 against 1.7. Both are backed by a comparable volume of ratings — 14 and 4 respectively.
acre One ships an update every 2 months, Otoos every 2 weeks. The most recent releases landed on October 15, 2026 and September 29, 2026 respectively.
| Parameter | acre One | Otoos |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (14 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 14 — better | 4 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 28 MB | 260 MB |
| Age rating | 4+ | 4+ |
| Developer | Feenics Inc. | SAFEGUARD APPLIED INNOVATION LTD. |
Customer experience
acre One
Otoos
In-app purchases
acre One
No in-app purchases
Otoos
No in-app purchases
