Sotheby's vs UAlign
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sotheby's
Access extraordinary art, precious objects, wine, and jewelry from auctions worldwide. Track bids, register for auctions, and explore past and upcoming sales with expert insights.
- Bid in live and online auctions
- Track bids and registrations
- Browse open, upcoming, and past auctions
- Search past and present lots
- Manage profile and view purchases
- Access favorite auctions and lots
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Extraordinary auctions. Exceptional finds. Anytime, anywhere. The Sotheby’s iOS app provides collectors with exceptional access to the world’s most extraordinary art, precious objects, wine and jewellery, together with the unparalleled expertise of our world-class specialists. Track your bids and registrations effortlessly. Bid in live and online auctions. Browse open, upcoming, and past auctions. Browse fixed price retail items in search results. Quickly access your favorite auctions and lots. Search past and present lots. Manage profile, view purchases, and customize your settings.
UAlign
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This app is designed to simplify your aligner experience by helping you stay connected and informed throughout your treatment journey. Everything you need is right at your fingertips.
Screenshots
Verdict
The clearest difference is ads: UAlign at none against Sotheby's's shown. Sotheby's's advantage is update cadence (every 2 weeks vs every 4 weeks). On price, in-app purchases, device support and iOS requirement 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.
Sotheby's ships an update every 2 weeks, UAlign every 4 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.
| Parameter | Sotheby's | UAlign |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (95 ratings) — better | — |
| Positive reviews | 24.3% of reviews | — |
| Number of ratings | 95 — better | — |
| Update frequency | Every 2 weeks — better | Every 4 weeks |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, Apple TV — better | iPhone, iPad |
| Requires iOS | 17.4 | 16.0 — better |
| Further details — not scored | ||
| Size | 54 MB | 55 MB |
| Age rating | 12+ | 17+ |
| Developer | Sotheby's | BELGRAVIA ADVISERS LIMITED |
Bugs and requests
Sotheby's
Reported bugs
10 issues- Cannot sort auction lots
- Cannot follow, view, or bid
- App crashes on launch
- ID verification camera not focusing
- Photo upload issues
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- Saved objects not displaying correctly
- App freezes or crashes during use
- Lot details never load
- AppleTV app fails to open
- App thinks it's on an iPhone on iPad
Requested features
8 requests- Allow sorting of auction lots
- Improve search functionality
- Enable calendar integration
- Make app landscape compatible
- Simplify personalization options
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- Improve account integration
- Allow file uploads for ID verification
- Fix AppleTV app issues
UAlign
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sotheby's
No in-app purchases
UAlign
No in-app purchases
