# U Scanner - Photo to PDF — user reviews > 302 indexed App Store user reviews of U Scanner by CyberLink, rated 3.60/5 from 116 ratings. - Source: https://appshunter.io/ios/app/u-scanner-photo-to-pdf/id814841155/reviews - App overview in markdown: https://appshunter.io/ios/app/u-scanner-photo-to-pdf/id814841155.md - Rating breakdown: 5★ 51 · 4★ 24 · 3★ 8 · 2★ 12 · 1★ 21 ## What do users think of U Scanner? Overall sentiment: negative **Pros** - 👍 Great for capturing presentations/slides - 👍 Automatically corrects for angled shots - 👍 Sharpens images effectively - 👍 Easy to use and simple interface - 👍 Good at detecting page boundaries - 👍 Useful for scanning documents - 👍 Delivers quality results - 👍 Efficiently turns papers into files **Cons** - 🐛 App crashes frequently - 🐛 App closes after taking/saving photos - 🐛 Won't open or disappears immediately - 🐛 Email sharing feature not working - 🐛 No option to set email address - 🐛 Cannot group pictures - 🐛 Slow processing for SMS/emailing - 🐛 Poor color fidelity - 🐛 Poor capture in low contrast - 🐛 File size disproportionately huge - 🐛 Getting pictures off the phone is sloppy - 🐛 Doesn't support iPad - 🐛 Freezes on iPhone 6 - 🐛 Too many notifications **Commonly reported bugs** - App crashes after taking/saving photos - App won't open or disappears - Email share feature broken - No option to set email address - Cannot group pictures - Camera button stops working - App closes after each shot/save - Crashing after processing slides - Auto-cropping issues - Inability to create an account for sharing - Not working on iOS 10 - Freezes on iPhone 6 - Cannot access files on iOS 9 - Strange color effect on preset **Most requested features** - Add Dropbox sync - iPad version needed - More sharing options (WhatsApp, iCloud, Google Drive, Dropbox) - OCR functionality - Option to revert to original image after cropping ## Newest reviews (15 of 302) ### 2/5 — 閃退 *2026-07-09, version 1.4.2* 無法打開，一直閃退。 ### 2/5 — 更新後，一直閃退 *2026-04-17, version 1.4.2* 好用，但自從更新後一直閃退無法使用，麻煩處理 ### 4/5 — 如何改善閃退 *2026-03-09, version 1.4.2* 如題。 ### 2/5 — Crash *2026-03-03, version 1.4.2* Try opening app and now it just won’t. ### 1/5 — Nao funcionao mais *2026-02-26, version 1.4.2* App fecha e nao funciona ### 1/5 — Crashes on iOS *2026-02-25, version 1.4.2* App crashes whenever you try to use the app. ### 2/5 — Not working anymore *2026-02-24, version 1.4.2* Not working ### 3/5 — Please act immediately *2026-02-12, version 1.4.2* After last upgrade of IOS this wonderful app doesn’t work anymore. Please act immediately to update the app. ### 1/5 — Não funciona mais, sem suporte pela empresa *2026-01-30, version 1.4.2* Após as últimas atualizações do iPhone o aplicativo parou de funcionar. E ao tentar suporte, não há mais. ### 2/5 — Use to be good but it is abandoned *2026-01-28, version 1.4.2* It was a cool app, simple but effective, with only an horizontal screen crash bug. After i installed ios26 it stoppes working and it is an instant app crash… hope they fix it someday ### 4/5 — It’s not working anymore *2026-01-26, version 1.4.2* It’s not working anymore, used to be very helpful, now it’s not working. ### 1/5 — Out of order *2026-01-22, version 1.4.2* Out of order ### 1/5 — Stopped working *2026-01-06, version 1.4.2* The app tries to open and then disappears. Have used this for years with no issues….now. Dead :-( ### 1/5 — Nāo funciona *2025-12-31, version 1.4.2* Baixei o app e quando toco no ícone, ele não abre. Tenho I phone 17 PRO, com a versão do iOS 26.1 ### 1/5 — Won’t open on iOS 26.1 & paid for app. *2025-12-10, version 1.4.2* It won’t even open and I paid for a useless app. ## Most critical reviews (10 lowest-rated) ### 1/5 — 閃退 *2026-08-07, version 1.4.2* 無法開啟程式 ### 1/5 — Nicht mit iphone *2026-07-13, version 1.4.2* Leider kann ich die app seit dem letzten ios update nicht mehr öffnen. Schade, früher ein Gewinn bei Vorträgen und Kongressen, jetzt leider nicht mehr nutzbar ### 1/5 — no funciona *2026-05-29, version 1.4.2* no se abre. al intentar abrir la app se cierra de inmediato ### 1/5 — Parou de funcionar *2026-05-14, version 1.4.2* Parou de funcionar ### 1/5 — 連開都打不開 *2026-05-09, version 1.4.2* Email選pdf傳不出去 ### 1/5 — Stop to work *2026-05-01, version 1.4.2* I used a lot but now it just doesn’t open the app ### 1/5 — Incompatível *2026-03-23, version 1.4.2* Nao abre mais depois da atualização do iOS ### 1/5 — Unable to open app *2026-03-15, version 1.4.2* App not stable. Sometime it close after take photo or close when u try to open. Recently it totally unable to launch the app at all. I’m using iPhone 16 Pro 15/3/26: now it totally will not open app at all. All my scanned notes still inside the app. I’m so upset ### 1/5 — Nem abre mais *2026-03-07, version 1.4.2* Era maravilhoso, agora nem abre mais o app ### 1/5 — Parou de funcionar *2026-03-05, version 1.4.2* Era ótimo, mas agora não funciona mais. ## Most praised reviews (10 highest-rated) ### 5/5 — 橫向會閃退 *2026-04-23, version 1.4.2* 很好用的免費軟體，只是..橫向會閃退 ### 5/5 — No Me Permite La Apertura De La APP *2026-04-09, version 1.4.2* Ya Tenia La APP Instalada Funcionando Sin Inconvenientes en el IPhone, y Con El Cambio De Versión del Mismo IPhone, No Me Es Viable Ahora Abrir La APP ### 5/5 — No puedo abrir la aplicación *2026-02-07, version 1.4.2* No me permite abrir la aplicación que debo hacer ### 5/5 — Holger, Germany *2026-02-04, version 1.4.2* Leider funktioniert die App nach dem letzten Apple Update nicht mehr. Auch nach erneuter Installation der App funktioniert diese nicht mehr, jedenfalls bei mir. Bitte um Support Ansonsten war es ein echter Gewinn bei Kongressen. ### 5/5 — Parou de funcionar. *2026-01-28, version 1.4.2* Eu amava mas nao funciona mais com a ultima atualização do IOS ### 5/5 — Reseña personal. *2025-09-01, version 1.4.2* Es una aplicación muy útil, versátil y de fácil utilización como docente Universitario se la he replicado a todos mis estudiantes y ahora en las conferencias uno ve que ellos utilizan U Scanner para la captura de diapositivas de la presentación, sin importar el ángulo en que se encuentre saliendo una diapositiva en PDF o JPG centrada con buenos colores, en fin, a nivel universitario, se debe mantener en los celulares esta aplicación. Sería importante que los desarrolladores intentaran. Adicionar micrófono de captura de la Voz del presentador, así tendríamos aplicación sin Par. ### 5/5 — Really Helpful *2024-12-10, version 1.4.2* Fast respond, Smart auto crop and Simple to use. The best cam scanner app I have use for so far. It’ll be nice if resolution can be higher. ### 5/5 — Excelente *2024-12-01, version 1.4.2* Que podamos compartir las imágenes con whatsapp y otro ### 5/5 — Súper útil para conferencias *2024-09-29, version 1.4.2* La mejor manera de tomar nota. Valeria la pena dejar arrastrar la todos tomadas para juntarlas. ### 5/5 — 使いやすい! *2023-12-29, version 1.4.2* 画像クオリティーもいいし、最高に使いやすいです。 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*