# SpAR Lab vs OU Engage

The clearest difference is update cadence: OU Engage at weekly against SpAR Lab's every 3 weeks. SpAR Lab's advantage is iOS requirement (15.1 vs 17.4). On price, ads, in-app purchases and device support there is nothing between them.

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

SpAR Lab ships an update every 3 weeks, OU Engage weekly. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SpAR Lab | OU Engage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.2 (10 ratings)](https://appshunter.io/ios/app/ou-engage/id6788384324/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 137 MB | 79 MB |
| Requires iOS | **15.1** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [K20 Center - University of Oklahoma](https://appshunter.io/developer/676209138) | [University of Oklahoma (Information Technology)](https://appshunter.io/developer/326922841) |

## What reviewers say

### SpAR Lab

[App page](https://appshunter.io/ios/app/spar-lab/id6777226868)

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

**In-app purchases:** none


### OU Engage

[App page](https://appshunter.io/ios/app/ou-engage/id6788384324)

This platform connects University of Oklahoma students with campus life. Discover events, explore student organizations, and find resources across all OU campuses. Stay informed and involved in your university experience.

**Highlights:** Discover campus events, Explore student organizations, Find campus resources, Track co-curricular journey, Stay connected across campuses

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

**In-app purchases:** none


## Frequently asked questions

### Is SpAR Lab free?

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

### Is OU Engage free?

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

### Do SpAR Lab or OU Engage have ads?

Neither SpAR Lab nor OU Engage shows ads.

### Which is updated more often, SpAR Lab or OU Engage?

SpAR Lab ships an update every 3 weeks, and OU Engage weekly. Most recently, SpAR Lab was updated on October 12, 2026 and OU Engage 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.*