Q4me Quality App vs OS/
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Q4me Quality App
This app streamlines hygiene and quality checks for hotels and restaurants, ensuring compliance with standards like HACCP. It requires a separate Q4me system account for full functionality.
- Regular hygiene checks
- HACCP compliance
- General quality controls
- Business quality assurance
- System account integration
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Q4me is a smart hygiene and quality assurance app for hotels and gastronomy. Use Q4me for: - Your regular hygiene checks according to HACCP - General quality controls in your business Note: To use the app, you need a valid Q4me system account, which you can set up at www.q4me.de.
OS/
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OS/ – Probably the first agency software that listens. For agencies, consulting firms, production studios, and other project-oriented companies of all sizes. OS/ is the next-generation project calculation and controlling software. Say hello to OS/ and simply dictate or write what you need help with: – Record your working hours effortlessly via voice input. – Find out who's not in the office today. – See which projects need controlling or can be invoiced. – Give team members access to projects and check who has booked time. – Create new projects and dictate the calculation.... and whatever else you need. Save a lot of work and gain more time for your colleagues and customers.
Screenshots
Verdict
The clearest difference is update cadence: OS/ at weekly against Q4me Quality App's monthly. On price, ads, in-app purchases and device support 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.
Q4me Quality App ships an update monthly, OS/ weekly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.
| Parameter | Q4me Quality App | OS/ |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 29 MB | 40 MB |
| Age rating | 12+ | 4+ |
| Developer | HOGA GmbH Servicegesellschaft für das Gastgewerbe | 314 OS GmbH |
In-app purchases
Q4me Quality App
No in-app purchases
OS/
No in-app purchases
