Otterfile vs AppPin

File Management and Transfer: - Local Management: Supports file categorization, sorting, multi-selection, and routine management operations (copy, cut, rename, delete). Includes a built-in recycle bin to prevent accidental file deletion. - File Import: Supports importing from system photo album and system files, and provides native scanned document to PDF conversion function. - Local Area Network Transfer: After enabling the Wi-Fi file transfer service, you can directly drag and drop files to transfer between devices via your computer's browser. - Cloud Drive Mounting: Supports binding to Alibaba Cloud Drive, Baidu Cloud Drive, OneDrive, Google Drive, and Dropbox for cross-platform file management. Compression and decompression: - Format support: Supports compression and decompression of ZIP, 7Z, and TAR formats. - Encoding adaptation: Built-in file encoding detection and manual switching functions solve common Chinese character encoding problems during cross-device transmission. Multi-format preview: - Office documents: Natively supports viewing Office (Word, Excel, PPT), PDF, and various common image and text formats. - Plain text and code: Supports highlighting of 24+ formats including TXT, JSON, HTML, and Python. - Basic media playback: Supports standard audio and video formats such as MP4 and MP3, and provides background playback, progress memory, and speed adjustment options. Otterfile Pro Advanced Features: - Advanced audio and video decoding: Supports playback of non-native video formats such as MKV, AVI, FLV, RMVB, and WMV, and supports loading external subtitles such as SRT, ASS, and SSA. - Professional format preview: Supports previewing design drawings such as PSD, Sketch, DWG, and AI, as well as 3D models such as STL and GLTF. - Advanced Compression and Data Viewing: Supports parsing password-protected encrypted archives and multi-volume compression settings; provides HEX (hexadecimal) view mode. - Privacy Vault: Provides a separate, locally encrypted vault that requires Face ID/Touch ID verification for access. Privacy Statement: Otterfile's core functions run entirely on your device. Except for user-initiated cloud drive synchronization or sharing, the application will not upload your local files to third-party servers. Issue Feedback: If you encounter any format compatibility or basic function issues during use, please feel free to contact us through the "Issue Feedback" section within the app. Privacy Policy: https://otter-labs.notion.site/Privacy-Policy-32cd85b21b3c80cbb4e7e12386c4fc71?pvs=73 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Running out of iPhone storage, but not ready to lose track of useful apps? AppPin helps you save apps before removing them from your phone. Keep the app name, App Store link, notes, folders, and tracking details, so you can free up storage with more confidence and find useful apps again later. In the AI era, new apps and tools appear every day. Many are worth trying, saving, or watching, but they do not all need to stay installed on your iPhone. AppPin gives you a lightweight app library for low-frequency apps, AI tools, temporary apps, design references, product inspiration, and apps you may want to revisit someday. AppPin is not a phone cleaner and does not delete apps automatically. It helps you keep the information you need before you manually remove apps you do not use often. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://gavinkangdeveloper.github.io/apppin/privacy-en.html