# On3 AI vs O3 ONField

The clearest difference is update cadence: O3 ONField at fortnightly against On3 AI's every 5 weeks. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for On3 AI against 5.0 for O3 ONField. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

On3 AI ships an update every 5 weeks, O3 ONField fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | On3 AI | O3 ONField |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/on3-ai/id1593743141/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/o3-onfield/id6748837231/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 64 MB | 34 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [On3, LLC.](https://appshunter.io/developer/1540150272) | [O3 Solutions](https://appshunter.io/developer/1449739669) |

## What reviewers say

### On3 AI

[App page](https://appshunter.io/ios/app/on3-ai/id1593743141)

This app offers AI-powered technology for learning and capturing company processes. It extends beyond traditional online courses to provide mobile-ready field learning experiences.

**Highlights:** AI-based learning technology, Mobile-ready field learning, Capture company processes, Technology-based learning solutions

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

**In-app purchases:** none


### O3 ONField

[App page](https://appshunter.io/ios/app/o3-onfield/id6748837231)

Manage capital projects directly from your mobile device. This app supports industry-leading practices like Advanced Work Packaging (AWP), Agile, and Lean to boost team performance from planning to startup. It enables key workflows, such as IWP progressing, even when offline, ensuring productivity in low-connectivity jobsite environments.

**Highlights:** Mobile capital project management, Advanced Work Packaging (AWP) support, Agile and Lean methodologies, Offline IWP progressing, Jobsite productivity tools

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

**In-app purchases:** none


## Frequently asked questions

### Is On3 AI free?

On3 AI is free to download, with no in-app purchases.

### Is O3 ONField free?

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

### Which has better reviews, On3 AI or O3 ONField?

On3 AI and O3 ONField are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do On3 AI or O3 ONField have ads?

Neither On3 AI nor O3 ONField shows ads.

### Which is updated more often, On3 AI or O3 ONField?

On3 AI ships an update every 5 weeks, and O3 ONField fortnightly. Most recently, On3 AI was updated on November 3, 2026 and O3 ONField on October 30, 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.*