Drawing Studio vs NetTools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Drawing Studio
This app combines freehand sketching, structured diagrams, and professional visuals into a unified workspace for knowledge management. Organize notes with folders, revisit past versions, and sync across Apple devices via iCloud. Export your creations in PNG or SVG formats.
- Unified workspace for sketching and diagrams
- Supports Excalidraw, Mermaid, and draw.io
- Folder organization
- Auto version history
- iCloud sync across devices
- Export to PNG/SVG
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Drawing Studio is a cross-platform visual note-taking tool for Apple users, built for knowledge management — now with a built-in AI assistant. Sketch freely with Excalidraw, write diagrams as code with Mermaid, and build professional visuals with draw.io — then let AI generate and edit them for you, right on the canvas. Organize with folders, revisit with version history, and sync everything seamlessly via iCloud. AI Assistant (New) • Draw with words – Describe what you want and AI creates the diagram for you, in Excalidraw, Mermaid, or draw.io • Edits your canvas directly – AI reads your current drawing and updates it in place — refine, extend, restructure, or explain • Every change is safe – AI edits land as version snapshots, so you can roll back anytime • Per-document chat – Each drawing keeps its own conversation history, scoped and searchable • Bring your own model – Connect any compatible provider • Private by design – Your API keys and conversations stay on your device and iCloud — no middleman servers Supported Formats • Excalidraw – Hand-drawn-style diagrams, ideal for sketches, flows, cards, and visual thinking • Mermaid – Code-based diagrams: flowcharts, sequence diagrams, class diagrams, Gantt charts, and more • draw.io – Powerful structured diagrams for technical drawings, wireframes, flowcharts, UML, and more Key Features • AI Assistant – Generate and edit diagrams from natural language, powered by the model you choose • Folders – Organize drawings by project, topic, or domain • Auto Version History – Every change is saved, with easy access to previous versions • iCloud Sync – Works seamlessly across iPhone, iPad, and Mac — no account required • Export – Export to PNG or SVG for sharing Use Cases • Knowledge Management – Build a personal knowledge system (PKM / Zettelkasten) • Project Planning – Create mind maps, timelines, flowcharts to clarify goals • Technical Documentation – Diagram systems and architecture using Mermaid or draw.io • Creative Thinking – Freely sketch ideas, concepts, and presentations • AI Co-drawing – Turn a rough idea into a finished diagram, then refine it in a conversation Privacy First • All data is stored locally and in your iCloud — no external servers • Your AI keys and chats stay on your device — bring your own model • No user tracking, no content collection, no ads • Your data is yours, always
NetTools
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NetTools - Network Toolbox ========================== Take full control of your network diagnostics and utilities with NetTools, the all-in-one toolkit designed for IT professionals, developers, and power users. Whether you're troubleshooting connectivity issues or performing advanced network analysis, NetTools puts powerful tools at your fingertips. Key Features: [Basic Tools] - NSLookup – Query DNS records for any domain (A, AAAA, CNAME, MX, TXT, NS and PTR) - Ping – Test server or device reachability - Traceroute – Trace the route packets take to a destination - Whois – Get domain registration details [Advanced Tools] - HTTP request – Perform custom HTTP request and inspect server responses and headers - IP location – Get geolocation info for any IP - My public IP – Instantly view your public-facing IP address - Port scanner – Scan open ports on any host - Speed test – Measure your network's download/upload speed - Subnet calculator – Quickly calculate IP ranges and subnet masks - URL shortener – Generate short links from long URLs - Wake on LAN – Remotely wake up devices on your local network [Conversion Tools] - ASCII to HEX - Base64 Encoder/Decoder - SHA256 Hash Generator - URL Encoder/Decoder [Generator Tools] - Password generator – Create strong, secure passwords - UUID generator – Generate universally unique identifiers - WiFi QR Code Generator – Share WiFi access instantly with scannable QR codes ==========================
Screenshots
Verdict
The clearest difference is price: Drawing Studio at Free against NetTools's $4.99. NetTools's advantage is update cadence (every 4 days vs every 10 days) and iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support 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
Drawing Studio is free to download; NetTools costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Drawing Studio ships an update every 10 days, NetTools every 4 days. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.
| Parameter | Drawing Studio | NetTools |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 3.5 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 10 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 79 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | 兴驰 马 | Jeremy Turin |
In-app purchases
Drawing Studio
No in-app purchases
NetTools
No in-app purchases









