Cederroth First Aid vs ZentnlApp
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Cederroth First Aid
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First Aid is important, sometimes vital. We all know that. But what does it actually involve? How can you do it? Cederroth has developed simple and clear instructions using animated illustrations. Here you can, at your own pace, broaden your knowledge on how to give the best possible First Aid Treatment for many types of different injuries, for people in various age groups. The instructions are divided into the following age groups and areas: - Adults +12 years old - Children 1-12 years old - Infants +-1 year old - CPR - Airway obstruction - Circulation failure - Burns - Heavy bleeding We recommend that everyone attends First Aid training and keeps their skills up to date. Make sure you practise the skills frequently. It can be a matter of life and death. Read more about us at www.cederroth.com User terms and conditions This app is only intended to provide information and is not intended to replace First Aid training or professional/medical advice. Neither does this app replace the need to contact medical services when necessary. This app is only intended to provide information and is not intended to replace First Aid training or professional/medical advice. Neither does this app replace the need to contact medical services when necessary. This material is copyright protected.
ZentnlApp
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In modern workplaces, maintaining proper posture is critical for ensuring employee health, comfort, and productivity. Zentnl is an innovative solution designed to monitor and analyze posture in real-time, providing valuable insights to improve workplace ergonomics. By identifying and addressing poor postural habits, Zentnl helps reduce the risk of musculoskeletal disorders and other long-term health issues. Zentnl functions as a wearable device equipped with advanced sensors to track body movements, specifically focusing on upper body lean and arm elevation. The system categorizes posture into three zones: safe (green), attention-required (yellow), and poor (red). These zones are clearly visualized in data plots, allowing users and analysts to pinpoint areas of concern. The transitions between these zones are also recorded, providing a detailed understanding of how often and under what conditions wearers move into less optimal postures. In real-time, Zentnl offers two key functionalities: 1. Posture Monitoring: Real-time data provides a snapshot of the current condition for arm elevation and upper body lean, offering insights into whether a user is maintaining a good or bad posture. 2. "Man-Down" Function: This safety feature sends an alarm if a user becomes immobilized or calls for attention by triple-tapping the chest sensor. In case the wearer needs help, the alarm can also be triggered directly from the app. In post-processing, Zentnl provides detailed nightly reports based on 8-hour workdays, covering the following areas: 1. Full-Body Vibrations: Evaluates exposure to vibrations and their impact on the body. 2. Arm Elevation: Tracks the time and intensity of arm elevation beyond ergonomic thresholds. 3. Upper Body Lean: Analyzes forward leaning postures and their duration. 4. Incidents: Summarizes key posture-related events, including transitions into attention-required or poor zones.
Screenshots
Verdict
The clearest difference is update cadence: ZentnlApp at every 2 weeks against Cederroth First Aid's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Cederroth First Aid ships an update every 2 months, ZentnlApp every 2 weeks. The most recent releases landed on November 1, 2026 and September 23, 2026 respectively.
| Parameter | Cederroth First Aid | ZentnlApp |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 weeks โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 14.0 โ better | 15.1 |
| Further details โ not scored | ||
| Size | 20 MB | 27 MB |
| Age rating | 17+ | 4+ |
| Developer | Cederroth | WAVR International AB |
In-app purchases
Cederroth First Aid
No in-app purchases
ZentnlApp
No in-app purchases
Questions
Is Cederroth First Aid free?
Is ZentnlApp free?
Do Cederroth First Aid or ZentnlApp have ads?
Which is updated more often, Cederroth First Aid or ZentnlApp?
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