# CTX SAFE vs YuJa Engage

The clearest difference is update cadence: YuJa Engage at every 6 weeks against CTX SAFE's every 20 months. CTX SAFE's advantage is iOS requirement (9.0 vs 15.1). 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.

CTX SAFE ships an update every 20 months, YuJa Engage every 6 weeks. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | CTX SAFE | YuJa Engage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/yuja-engage/id6446036970/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 11 MB | 45 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Concordia University Texas](https://appshunter.io/developer/544452825) | [YuJa Inc.](https://appshunter.io/developer/987591019) |

## What reviewers say

### CTX SAFE

[App page](https://appshunter.io/ios/app/ctx-safe/id1446327810)

**Features:** macOS Compatibility

**In-app purchases:** none


### YuJa Engage

[App page](https://appshunter.io/ios/app/yuja-engage/id6446036970)

This student response system integrates with learning management systems to enhance active learning in higher education. It provides instructors with actionable metrics to gauge student comprehension and transform courses.

**Highlights:** LMS integration, Student comprehension insights, Active learning transformation, Actionable instructor metrics, Higher education focus

**In-app purchases:** none


## Frequently asked questions

### Is CTX SAFE free?

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

### Is YuJa Engage free?

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

### Do CTX SAFE or YuJa Engage have ads?

Neither CTX SAFE nor YuJa Engage shows ads.

### Which is updated more often, CTX SAFE or YuJa Engage?

CTX SAFE ships an update every 20 months, and YuJa Engage every 6 weeks. Most recently, CTX SAFE was updated on October 26, 2026 and YuJa Engage on October 22, 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.*