NAS Pro vs 4DI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NAS Pro
Manage and monitor your Synology, QNAP, or TrueNAS server remotely. Control system health, storage, containers, virtual machines, backups, and downloads from your mobile device. Features Wake on LAN, Widgets, and Siri Shortcuts for convenient access.
- Remote NAS management
- System health monitoring
- Storage pool and volume management
- Container and VM monitoring
- Backup and download task management
- Real-time network activity
- Wake on LAN support
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NAS Pro is a powerful NAS management and monitoring app that lets you control your Synology (DSM), QNAP, or TrueNAS server from anywhere. Monitor system health, storage, network activity, containers, virtual machines, backups, and downloads — all in one professional-grade mobile app. Whether you manage a home NAS, private cloud, or business server, NAS Pro gives you remote access, real-time monitoring, and administrative control directly from your iPhone, iPad or Mac. With support for Wake on LAN, Widgets, and Siri Shortcuts, you stay in control of your NAS anytime, anywhere. Key Features**: System Monitoring & Control: * View system health at a glance * Restart or shut down your NAS remotely * Real-time CPU and RAM usage monitoring * Start or stop installed packages * Update Server * UPS status: mode, battery level, and estimated runtime Network Management: * Real-time network traffic overview * Connect or disconnect VPN interfaces * Manage connected users (with option to terminate sessions) * Detailed interface information Storage Management: * View all storage pools, volumes, and disks * Run S.M.A.R.T. tests on disks * Detailed external storage information (partitions and capacity) * Eject external storage safely Containers (Docker): * See all containers with image names, uptime and utilization * Real-time CPU and RAM usage per container * Filter by status (running, stopped) * Perform actions: start, stop, restart, force stop, clear * Remove unused Images Virtual Machines: * List and monitor all virtual machines * View utilization, network, and storage details * Start, stop, or force stop virtual machines * Filter by state (running, stopped) Backups: * View all backup tasks with status and details * Browse backup versions * Start or stop individual backup tasks Downloads: * Manage all download tasks in one place * Create and edit download jobs * Filter by task state (running, finished, paused) * Pause, resume, or delete downloads Logs: * Browse the latest logs with color-coded severity * Filter by log level (warnings, errors, etc.) * Clear all logs in one tap * Copy log messages to clipboard Tasks: * View all tasks and events * Filter by status (enabled, disabled) * Check “Run results” for selected tasks * Perform actions: enable, disable, run, delete Users & Groups: * Manage users and groups * Create, enable, disable, or delete accounts * Adjust group memberships ** Functionality and available modules may vary based on your NAS. Supported systems: * Synology DSM 6.0 and above * Qnap QTS 5.0 and above * TrueNAS 24 and 25. -- Terms of Use: https://ezv-software.com/nas-pro/terms/ Privacy Policy: https://ezv-software.com/nas-pro/privacy/
4DI
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4DI is a professional helping tool built for pharmaceutical and life science professionals who work in GxP-regulated environments. Whether you are a quality manager, lab technician, validation specialist, or data integrity officer - 4DI puts essential data integrity knowledge and practical tools right in your pocket. 4DI bridges the gap between regulatory theory and everyday practice on the shop floor. ALCOA++ PRINCIPLES Explore all nine ALCOA++ data integrity principles through interactive, beautifully designed cards. Each principle includes a clear definition, real-world pharmaceutical examples showing both correct practices and common violations, and practical guidance you can apply immediately. Test your knowledge with a built-in quiz featuring 20+ questions. Track your scores over time and watch your expertise grow. REGULATORY FRAMEWORK EXPLORER Navigate the key regulatory frameworks that govern data integrity in pharma: - FDA 21 CFR Part 11 - EU GMP Annex 11 - MHRA GxP Data Integrity Guidance - PIC/S PI 041 - WHO Technical Report Series No. 996, Annex 5 - ICH Q7 Compare frameworks side-by-side to understand where they overlap and differ on critical topics like audit trails, electronic signatures, and risk-based approaches. Color-coded regional tags make orientation effortless. GEMBA WALK DOCUMENTATION Document data integrity observations directly on the production floor. The structured GEMBA Walk tool lets you: - Record observations with location, area, and detailed notes - Attach photos as supporting evidence - Use customizable checklists tailored to your site - Generate professional PDF and Word reports ready for your quality management system - All reports include confidentiality notices and professional formatting COMPREHENSIVE GLOSSARY Access 40+ data integrity terms and abbreviations covering ALCOA++ terminology, regulatory abbreviations (CFR, GMP, GLP, CSV, CSA), technical terms (audit trail, metadata, electronic signature), and quality system terms (CAPA, deviation, OOS, OOT). Each entry includes the full expansion, a clear definition, and context of use. Bookmark your most-used terms and discover something new every day with the Term of the Day feature. DESIGNED FOR PROFESSIONALS - Trilingual: Full support for English, German, and French - Dark and Light mode for comfortable use in any environment - Offline-first: All content available without an internet connection - Privacy-focused: All data stays on your device - No account required, no tracking, no ads 4DI is your daily companion for data integrity excellence in regulated environments. DISCLAIMER: 4DI is a privately developed helping tool. It is not endorsed, certified, or validated by any regulatory authority. Content is for informational purposes only and must not replace official regulatory guidance.
Screenshots
Verdict
The clearest difference is in-app purchases: 4DI at none against NAS Pro's 10. 4DI also leads on update cadence (every 3 days vs every 3 weeks). NAS Pro's advantage is device support (3 vs 1). On price, ads 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. NAS Pro sells 10 in-app purchases, starting at $2.49 per month. 4DI asks for nothing beyond the download.
NAS Pro ships an update every 3 weeks, 4DI every 3 days. The most recent releases landed on September 25, 2026 and August 30, 2026 respectively.
| Parameter | NAS Pro | 4DI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (172 ratings) — better | — |
| Positive reviews | 58.0% of reviews | — |
| Number of ratings | 172 — better | — |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | iPhone |
| Requires iOS | 18.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 77 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | EZV, spol. s r.o. | Robert Poetzsch |
Bugs and requests
NAS Pro
Reported bugs
7 issues- CPU usage meter not working in DSM7.1
- Some docker containers are not showing up on the list
- 2 factor authentication doesn't work properly
- Unable to remove demo server
- Home Screen Widget issue
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- Login screen freezes
- Incompatible with older devices
Requested features
6 requests- Add OpenMediaVault NAS support
- Add Cloudflare's headers support
- Add Active Backup for Business module
- Show volume description in storage section
- Add basic VM support
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- Improve Download Station functionality
4DI
Not enough reviews yet to summarise bugs or requests.
In-app purchases
NAS Pro
- Supporter Level - Monthly$2.491 Month
- Supporter Level - Yearly3 Days trial$18.491 Year
- System module$1.99
- Network module$1.99
- Storage module$1.99
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- Logs module$1.99
- Tasks module$1.99
- Docker Containers module$1.99
- Download Station module$1.99
- One Time - All Modules$49.99
4DI
No in-app purchases









