OET vs Aster Dex App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OET
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The OET app is a security technology developed by SCRIBOS GmbH to verify the authenticity of original products. The QR code on your product contains an uncopyable security feature analyzed by our app. Simply scan the QR code on your product's security label to instantly verify its authenticity — and report any counterfeits you find. We work for a world where only good wins.
Aster Dex App
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Mocha Collage turns your photos into polished collages in just a few taps. Pick a layout, add your photos, frame each one exactly how you like, and save it straight to your library. LAYOUTS FOR EVERY MOMENT • 20 grids and mosaics for 2 to 6 photos • Hand-picked styles for Stories, classic grids, hero shots and panoramas • Five sizes: Square 1:1, Portrait 4:5 and 3:4, Story 9:16 and Landscape 16:9 FRAME EVERY PHOTO PERFECTLY • Pinch to zoom and drag to reposition a photo inside its tile • Swap to a different layout at any time without losing your photos • Long-press a tile to replace its photo • Undo, or reset the framing in one tap MAKE IT YOURS • Adjust spacing between photos • Round the corners from sharp to soft • Choose from warm solid backgrounds or rich gradients SAVE AND SHARE • Save high-resolution collages directly to Photos • Share instantly to messages, social apps and more • Every collage you save is kept in your Collages library to open, share or delete later HOME SCREEN WIDGETS • Latest Collage shows your most recent creation on your Home Screen • New Collage jumps straight into making a new one PRIVATE AND FREE • No account, no ads, no subscriptions and no in-app purchases • Your photos are processed on your iPhone and never uploaded • Mocha Collage only asks to add to your photo library when you save, and never reads it Beautifully designed in warm tones, with full support for light and dark mode.
Screenshots
Verdict
The clearest difference is update cadence: Aster Dex App at every 4 days against OET's every 2 months. OET's advantage is iOS requirement (14.0 vs 16.5). 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.
OET ships an update every 2 months, Aster Dex App every 4 days. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.
| Parameter | OET | Aster Dex App |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.5 |
| Further details — not scored | ||
| Size | 10 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | scribos GmbH | New-Brands-Ltd |
In-app purchases
OET
No in-app purchases
Aster Dex App
No in-app purchases









