IHK AR by 3DQR vs PEEK Sensor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IHK AR by 3DQR
Enhance vocational education with augmented reality. This app links learning materials with digital content and 3D models, simplifying complex topics for students. Prepare for seminars and exams by visualizing concepts in your real environment.
- Augmented reality visualization
- 3D model projection
- Simplifies complex topics
- Home exam preparation
- Scan 3DQR codes
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Learning in the third dimension! With the help of the visualization possibilities of so-called Augmented Reality (AR), there is now a completely new learning opportunity for course participants of the Higher Vocational Education IHK. Linking teaching materials with digital content or projecting 3D models into the real environment - highly complex processes and topics are explained in a simple and understandable way. Thanks to AR, users can also better prepare for seminars or exams at home. How it works: The IHK text volumes that already contain 3DQR codes are marked with an individual unlock QR code on the title page. To use the 3DQR codes, download this free app to your tablet or smartphone. Now simply scan the 3DQR code in the text volume with the app or, if you are using a digital text volume, simply tap on the 3DQR code. FIND TEST-CODES HERE: https://3dqr.de/qr-code-collection-eng/
PEEK Sensor
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An application to connect to the PEEK sensor of PEEK GmbH via Bluetooth Low Energy. Battery level - the app shows the current battery level of the PEEK sensor. Firmware update - the application is needed to transfer important and safety-relevant updates to the PEEK sensor Additional features - the application displays the status of additional functions of the PEEK sensor and also provides additional information that is not directly displayed on the PEEK sensor. Alert Method “Voltage level” - the app allows you to change the voltage level PEEK settings according to your working environment. Alert Method “Adaptive System” - the app is setting a default sensitivity level and is able to reset the sensitivity level back to default. The full functionality of the application can only be viewed in conjunction with an active BLE connection to a PEEK sensor.
Screenshots
Verdict
The clearest difference is update cadence: IHK AR by 3DQR at every 5 weeks against PEEK Sensor's every 4 months. IHK AR by 3DQR also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IHK AR by 3DQR ships an update every 5 weeks, PEEK Sensor every 4 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.
| Parameter | IHK AR by 3DQR | PEEK Sensor |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 145 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | 3DQR GmbH | Peek GmbH |
In-app purchases
IHK AR by 3DQR
No in-app purchases
PEEK Sensor
No in-app purchases









