# O3 vs Oxmaint Work Order Maintenance

The clearest difference is in-app purchases: O3 at none against Oxmaint Work Order Maintenance's 18. O3 also leads on rating (5.0 vs 4.7). Oxmaint Work Order Maintenance's advantage is update cadence (every 2 weeks vs every 12 months) and ratings volume (16 vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Oxmaint Work Order Maintenance sells 18 in-app purchases, starting at $14.99 per month. O3 asks for nothing beyond the download.

O3 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Oxmaint Work Order Maintenance has 16 ratings behind it against 2, so its average is the more settled of the two.

O3 ships an update every 12 months, Oxmaint Work Order Maintenance every 2 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | O3 | Oxmaint Work Order Maintenance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/o3/id1365145779/reviews)** | [4.7 (16 ratings)](https://appshunter.io/ios/app/oxmaint-work-order-maintenance/id1568268027/reviews) |
| Number of ratings | 2 | **16** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 92 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Delta Intelligent Building Technologies (Canada) Inc.](https://appshunter.io/developer/1039551888) | [Oxmaint Inc](https://appshunter.io/developer/1801753103) |

## What reviewers say

### O3

[App page](https://appshunter.io/ios/app/o3/id1365145779)

Control your smart home environment with this app. Create custom profiles for different activities to manage HVAC, lighting, and blinds. Optimize energy usage and personalize your space for comfort and productivity.

**Highlights:** Activity-based room profiles, Energy-saving eco modes, HVAC control, Lighting dimming, Blind adjustment, Bluetooth connectivity

**In-app purchases:** none


### Oxmaint Work Order Maintenance

[App page](https://appshunter.io/ios/app/oxmaint-work-order-maintenance/id1568268027)

Streamline maintenance operations with AI-powered work order management. This app connects teams in real-time, tracks repairs, and automates scheduling to reduce paperwork and boost productivity. Ideal for managing industrial assets, equipment, and vehicle repairs.

**Highlights:** AI-powered work order management, Real-time team collaboration, Preventive maintenance scheduling, Asset tracking and history, Mobile access for field teams, Customizable reporting

**Features:** macOS Compatibility

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 User Maintenance Plan | $14.99 | per month |
| Standard Plan | $30.00 | per month |
| Maintenance Plan for 1 Users | $45.00 | per month |
| Business Plan | $55.00 | per month |
| 5 Users Maintenance Plan | $74.99 | per month |
| Maintenance Plan for 10 Users | $129.99 | per month |
| Business Plan | $219.99 | per month |
| Maintenance Plan for 5 Users | $224.99 | per month |
| Standard Plan 1 User (Yearly) | $289.99 | per year |
| Business Plan | $329.99 | per month |
| Business Plan | $439.99 | per month |
| Half Yearly Plan for 5 User | $449.99 | per 6 months |
| Business Plan | $494.99 | per month |
| Business Plan 1 User (Yearly) | $529.00 | per year |
| Business Plan for 10 Users | $549.99 | per month |
| Standard Plan 2 Users (Yearly) | $579.99 | per year |
| OXMaint 10 User Half Yearly | $799.99 | per 6 months |
| Business Plan 2 Users (Yearly) | $1000.00 | per year |


## Frequently asked questions

### Is O3 free?

O3 is free to download, with no in-app purchases.

### Is Oxmaint Work Order Maintenance free?

Oxmaint Work Order Maintenance is free to download, with in-app purchases available.

### Which has better reviews, O3 or Oxmaint Work Order Maintenance?

O3 is rated higher. O3 averages 5.0 out of 5 from 2 ratings, while Oxmaint Work Order Maintenance averages 4.7 from 16 ratings.

### Do O3 or Oxmaint Work Order Maintenance have ads?

Neither O3 nor Oxmaint Work Order Maintenance shows ads.

### Which is updated more often, O3 or Oxmaint Work Order Maintenance?

O3 ships an update every 12 months, and Oxmaint Work Order Maintenance every 2 weeks. Most recently, O3 was updated on October 5, 2026 and Oxmaint Work Order Maintenance on October 24, 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.*