PEEK Sensor vs QS.on
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
QS.on
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Welcome to QS.on, the app for carrying out structured and efficient quality inspections. Perform your site inspections with state-of-the-art software. Signature-based log recording Documentation of weak points using the built-in camera Work at any location, even without a network connection Automated mail dispatch of results Construction site scheduling from previous systems All inspections always in view Standard interfaces from upstream and downstream systems Portal-supported management system Simplest operability Cost-efficient recording of inspections A programm from practice for practitioners.
Screenshots
Verdict
The clearest difference is update cadence: QS.on at every 6 weeks against PEEK Sensor's every 4 months. QS.on also leads on device support (3 vs 1) and iOS requirement (9.0 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.
PEEK Sensor ships an update every 4 months, QS.on every 6 weeks. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.
| Parameter | PEEK Sensor | QS.on |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 204 MB |
| Age rating | 4+ | 4+ |
| Developer | PEEK GmbH | LEW Verteilnetz GmbH |
In-app purchases
PEEK Sensor
No in-app purchases
QS.on
No in-app purchases









