220+ iOS apps curated and reviewed
Every iPhone needs a few good signnow private cloud apps. We benchmark 220+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.7★ (3) | Yes | No | May 2026 |
| 2 |  | Free | 4.5★ (18K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.6★ (105K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.7★ (10K) | No | No | Aug 2026 |
| 5 |  | Free | 4.8★ (190K) | No | Yes | Aug 2026 |
| 6 |  | Free | 2.6★ (314) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.3★ (4.6K) | No | No | Aug 2026 |
| 8 |  | Free | 4.1★ (1.1K) | No | Yes | Aug 2026 |
Securely edit, sign, and send PDF documents from your mobile device. Access and transfer sensitive files within your organization's private cloud environment. Requires setup of a specific hostname for secure, permission-based access.
Easily sign and manage PDF documents and other file formats with this comprehensive e-signature solution. Upload files, create templates, and collect legally-binding signatures from multiple parties. Securely store and access your documents online or offline.
Securely store, sync, and share your files with end-to-end encryption. Communicate privately with encrypted chat and video calls. Access your data from any device, anywhere.
Access, manage, and share your files and photos from your private cloud storage. Upload media to free up phone space, work on documents offline, and utilize AI assistance. Secure your data with password or FaceID protection and end-to-end encryption.
Manage, edit, and share your content securely from anywhere. This app offers AI-powered insights, document scanning, and collaborative tools with enterprise-grade protection.
Securely store and protect your private photos, videos, notes, and files with a passcode-protected vault. Features a private browser for anonymous web surfing and advanced security options like Face ID and two-factor authentication.
This secure messenger prioritizes your privacy with a decentralized network and end-to-end encryption. It offers anonymous account creation, IP address protection, and private group chats without collecting any metadata. Share messages and files with confidence, knowing your communications are truly private.
Securely store and back up your files and photos with end-to-end encryption. Access your content across devices, share securely with password protection, and enjoy peace of mind with Swiss privacy laws. Offers free storage with upgrade options.
Securely store your private photos and videos with a zero-knowledge encrypted vault. Protect sensitive memories from unauthorized access with advanced privacy features and seamless encrypted sync across devices. Your data remains completely private, even when backed up.
Securely send and sign digital documents, contracts, and PDFs from any device. Create your own signature, upload files from various cloud services, and manage the signing process with ease. It's a legally binding and secure way to handle agreements.
Securely store and manage your private photos and videos with advanced protection. Features include password-protected entry, album locking, break-in reports, and a private web browser for discreet downloads. Offers encrypted cloud backup for added safety.
Easily sign and send documents for electronic signatures from your mobile devices. All signatures are legally binding and include a digital audit trail for security and compliance. Works across multiple platforms and integrates with cloud storage.
Securely store, access, and share your files with end-to-end encryption. This cloud storage solution allows you to sync data across all your devices and collaborate with others through shared folders. Protect your sensitive information with robust privacy features.
Securely store, transfer, and share files with 6GB of free cloud storage. Access your data from any device, organize files efficiently, and enjoy features like online browsing and encrypted sharing. It also offers business-oriented tools for document conversion and OCR.
This app allows users to fill out, sign, and manage PDF documents digitally. It supports creating electronic signatures, requesting signatures from others, and securely storing signed contracts with audit trails. Users can also scan documents and convert them into editable digital files.
Securely store and encrypt your photos, videos, and files in the cloud or locally. This app offers end-to-end encryption and zero-knowledge architecture, ensuring only you have access to your data. Share files securely with others while maintaining complete control.
Securely store and manage your private photos, videos, and account passwords. Protect your sensitive content with multiple lock options and share privately with trusted friends. Offers cloud backup and advanced photo management features.
Manage and monitor your cloud resources from anywhere. Receive real-time notifications and alerts for critical health issues. Take immediate corrective actions on your virtual machines and web apps directly from your mobile device.
Securely store private photos, videos, and messages in a personal cloud vault. Protect your sensitive data with multi-factor authentication and biometric unlock options. Easily import chats from popular messaging apps.
Easily sign, date, and annotate documents directly on your device. Import files, add your signature by drawing or scanning, and insert text or dates. Save time with smart features that locate signature fields and repeat initials across pages.