Clean vs OS1
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clean
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Quality control and security app for commercial cleaning companies
OS1
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Inspection Software Simplified With OS1 Mobile, gain insight to the cleaning of your property. Inspections are completed and sent to you immediately. You can create, track and update work tickets from any device that has Internet access. And with OS1Assure, know when high-traffic area have been cleaned using QR technology. We've eliminated the need for paper logs that never get filled in - anyone with a smart phone can view last cleanings
Screenshots
Verdict
The clearest difference is update cadence: Clean at every 3 weeks against OS1's every 8 months. 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.
Clean ships an update every 3 weeks, OS1 every 8 months. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.
| Parameter | Clean | OS1 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 83 MB | 62 MB |
| Age rating | 17+ | 4+ |
| Developer | BD BROTHERS CLEANING PTY LTD | Pegasus Building Services Company, Inc |
In-app purchases
Clean
No in-app purchases
OS1
No in-app purchases
