# sgd vs thekey.academy

sgd and thekey.academy both sit at 5.0 stars, but that hides the real split: 95% of thekey.academy's written reviews are positive against 32% of sgd's. sgd's advantage is in-app purchases (none vs 10). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. thekey.academy sells 10 one-off in-app purchases. sgd asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for sgd against 5.0 for thekey.academy. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 32% of sgd's written reviews are positive against 95% of thekey.academy's.

sgd ships an update every 5 weeks, thekey.academy every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | sgd | thekey.academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/sgd-campus-app/id1296219569/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/thekeyacademy/id1506467929/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 32.0% of reviews | **95.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 93 MB | 59 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Studiengemeinschaft Werner Kamprath Darmstadt GmbH](https://appshunter.io/developer/1296219568) | [the key – academy GmbH](https://appshunter.io/developer/1838733161) |

## What reviewers say

### sgd

[App page](https://appshunter.io/ios/app/sgd-campus-app/id1296219569)

Access course materials, campus emails, grades, and more from your smartphone. Download study materials for offline learning anytime, anywhere. Stay updated with push notifications and easily contact support.

**Highlights:** Access course content, Campus email access, Real-time grade view, Offline study material downloads, Push notifications, Single Sign-on to online campus, Contact support via campus mail

**Features:** Vision Pro support

**In-app purchases:** none


### thekey.academy

[App page](https://appshunter.io/ios/app/thekeyacademy/id1506467929)

Access a wide range of courses and learn from industry experts through short, engaging lessons. Track your progress, earn certificates, and apply your knowledge immediately. The app offers a flexible and fun learning experience for personal and professional development.

**Highlights:** Free course trials, Bite-sized lessons (under 10 minutes), Learn from industry experts, Trackable individual progress, IHK-certified courses, Bonus content and rewards

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lizenz: PSY | $249.00 | one-time |
| Lizenz: UXUI | $399.99 | one-time |
| Networking (IHK) | $699.00 | one-time |
| Lizenz: KIK (IHK) | $999.99 | one-time |
| Lizenz: VEB (IHK) | $999.99 | one-time |
| Lizenz: HYB (IHK) | $999.99 | one-time |
| Lizenz: DAN (IHK) | $999.99 | one-time |
| Lizenz: WLB (IHK) | $999.99 | one-time |
| Lizenz: SCM (IHK) | $999.99 | one-time |
| Lizenz: KIM (IHK) | $999.99 | one-time |


## Frequently asked questions

### Is sgd free?

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

### Is thekey.academy free?

thekey.academy is free to download, with in-app purchases available.

### Which has better reviews, sgd or thekey.academy?

sgd and thekey.academy are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do sgd or thekey.academy have ads?

Neither sgd nor thekey.academy shows ads.

### Which is updated more often, sgd or thekey.academy?

sgd ships an update every 5 weeks, and thekey.academy every 3 weeks. Most recently, sgd was updated on November 3, 2026 and thekey.academy on November 7, 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.*