Aquajet Systems vs ShellMan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Aquajet Systems
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Aquajet Calculator 3.0 This application is a powerful tool for everyone using high pressure water for efficient concrete renovation. -Hydrodemolition -Ultra High pressure -Hand lancing -Industrial cleaning Clean and simple interface; easy to use Visualize Nozzles and Power Heads in 3D Calculator -Calculate Nozzle sizes from a given pressure and flow -Calculate Pressure from a given size of nozzle/nozzles and flow -Calculate Flow from a given size of nozzle/nozzles and pressure -Single nozzle or multiple nozzles -Also supports combination of different types of nozzles -Supports every nozzle on the market thanks to the custom nozzle function -Supports adding custom pump configurations -Reaction force -Exit Velocity -Power consumption -Water consumption -Pressure drop in hoses -Engine Speed -Recommended Minimum Pressure -Capacity Removal -Graph with multiple ranges of depth. -Capacity Surface -Robot Simulator with same parameters as in our Hydrodemolition robots such as Aqua Cutter. -Supports metric and US units within every related view PDF Report -Save Robot Simulator configurations as PDF reports and share. News Page and Webview -Read about the latest news from Aquajet Systems -Get notified within the app when latest news comes out. -Quickly find the Aquajet Systems product you need information about -AQUA CUTTER robots -AQUA SPINE for special applications -POWER PACK high pressure pumps -Accessories Contacts -Dynamically updated information regarding Aquajet's headquarters -Dynamically updated list of contacts of our global partners Find Us -Find more information about Aquajet. -Find our social media profiles -Find our contact information
ShellMan
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ShellMan is the most powerful local-network controller for your Shelly Gen 2, Gen 3, and Gen 4 smart home devices. No cloud. No subscription. Pure local control. Disclaimer: This app is an independent, unofficial third-party tool and is not affiliated with, endorsed by, sponsored by, or in any way connected to Allterco Robotics Ltd. or its subsidiaries. "Shelly®" is a registered trademark of Allterco Robotics Ltd. All product names, logos, and brands mentioned are property of their respective owners and are used solely for identification purposes. This app communicates with devices using their publicly documented, open JSON-RPC 2.0 API. DISCOVER YOUR DEVICES • Auto-discover devices instantly via mDNS — no IP addresses needed • Scan your entire subnet to find every Shelly on your network • Add devices manually by entering their IP address CONTROL EVERYTHING • Turn switches on/off with a single tap • Dim lights to the perfect level • Adjust colour temperature and RGB colour for smart bulbs • Open, close, and position covers and blinds with precision REAL-TIME MONITORING • Live status updates via WebSocket — see your devices react in real time • Energy dashboard with power, voltage, current, and consumption data • Sensor readings: temperature, humidity, flood, smoke, motion, and illuminance MANAGE YOUR DEVICES • View firmware versions and update devices over the air • Batch-update multiple devices at once • Create and manage schedules directly on each device • Reboot or factory-reset devices when needed WORKS WITH YOUR HOME • Full support for password-protected devices (SHA-256 Digest authentication) • Automatic reconnection if a device drops off the network • Dark mode, light mode, and system theme support • Available in English, Deutsch, Français, Español, 中文, and 日本語 Compatible with all Shelly Gen 2, Gen 3, and Gen 4 devices. Gen 1 devices are not supported.
Screenshots
Verdict
The clearest difference is update cadence: ShellMan at fortnightly against Aquajet Systems's every 2 months. ShellMan also leads on iOS requirement (14.0 vs 18.5). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Aquajet Systems ships an update every 2 months, ShellMan fortnightly. The most recent releases landed on September 13, 2026 and September 14, 2026 respectively.
| Parameter | Aquajet Systems | ShellMan |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.5 | 14.0 — better |
| Further details — not scored | ||
| Size | 180 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Aquajet Systems AB | Lars Roth |
In-app purchases
Aquajet Systems
No in-app purchases
ShellMan
No in-app purchases









