# acre One vs Otoos

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.

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 October 12, 2026 respectively.

## The numbers

| Metric | acre One | Otoos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (14 ratings)](https://appshunter.io/ios/app/acre-one/id1568753470/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/otoos/id1591798436/reviews)** |
| Number of ratings | **14** | 4 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 28 MB | 260 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Feenics Inc.](https://appshunter.io/developer/1040475896) | [Safeguard](https://appshunter.io/developer/990155505) |

## What reviewers say

### acre One

[App page](https://appshunter.io/ios/app/acre-one/id1568753470)

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.

**Highlights:** Mobile credential management, Two-factor authentication, Password-less login, Door unlocking, Access history audit, Push notifications

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### Otoos

[App page](https://appshunter.io/ios/app/otoos/id1591798436)

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.

**Highlights:** Proactive hazard prevention, Cooperative safety control implementation, Efficient deviation management, Minimized response times, Professional safety reporting

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is acre One free?

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

### Is Otoos free?

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

### Which has better reviews, acre One or Otoos?

Otoos is rated higher. acre One averages 1.7 out of 5 from 14 ratings, while Otoos averages 5.0 from 4 ratings.

### Do acre One or Otoos have ads?

Neither acre One nor Otoos shows ads.

### Which is updated more often, acre One or Otoos?

acre One ships an update every 2 months, and Otoos every 2 weeks. Most recently, acre One was updated on October 15, 2026 and Otoos on October 12, 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.*