Stelloa vs Preo Scanner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stelloa
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Preo Scanner
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Welcome to Preo Scanner: offline-capable QR scanning for events and festivals. Manage preorders, rentals, deposits, ticketing, and more from a single app. Key Features: - Scan QR Codes Offline - Scan and process vouchers without an internet connection. Preo Scanner works fully offline, so busy venues and patchy Wi-Fi never slow you down. - All-in-One Event Operations - Handle preorders, rentals, deposits, and gate entry in one place. Less switching, faster service, smoother experience for staff and attendees. - Real-Time Sync - When connectivity is available, data syncs automatically across devices. Pick up where you left off on any device - nothing gets lost.
Screenshots
Verdict
The clearest difference is update cadence: Stelloa at weekly against Preo Scanner's monthly. Stelloa also leads on iOS requirement (15.6 vs 18.2). 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.
Stelloa ships an update weekly, Preo Scanner monthly. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.
| Parameter | Stelloa | Preo Scanner |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 18.2 |
| Further details — not scored | ||
| Size | 34 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | OLIVIA RIBIN ZANK | Preo ApS |
In-app purchases
Stelloa
No in-app purchases
Preo Scanner
No in-app purchases
