Crestools vs Ask Nereus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Crestools
This app helps developers and integrators manage Crestron devices via SSH or Telnet. It offers features like project grouping, file management, network scanning, and a built-in terminal for communication. Debug SimplWindows programs and share reports with ease.
- Project grouping for devices
- SFTP file management
- Network device discovery
- SSH/Telnet terminal
- Command reporting and sharing
- SimplWindows program debugging
- Cresnet device tree view
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Crestools is designed for developers and integrators who work with Crestron products using SSH or telnet. # FEATURES • PROJECTS Group your devices by project name to easily retrieve them and keep your workflow clean • FILE MANAGER Manage your devices files using SFTP • BROWSER Scan for devices on local network to discover all the compatible devices around you • TERMINAL Communicate in SSH , SSL or CTP to any of your devices using the built-in terminal • REPORTS Create reports or use the default ones to send multiple commands at the same device in a single touch • SHARING Share your reports via any messenger app • ADDRESS BOOKS Share or import your devices by address books • FAVORITES Save your favorite commands • SIMPLWINDOWS PROGRAM DEBUGGER Debug any SimplWindows program. Modify and visualize in real time signal • CRESNET DEVICE TREEVIEW Scan for Cresnet devices connected to processors. • BACKUP iCloud backs up all your data # SUPPORT If you need any help, contact us on our Facebook page, our website https://crestools.app or at support@crestools.app. We will answer you shortly! # Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ask Nereus
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Ask Nereus: The Intelligence Layer for Water & Energy Stop searching through scattered spreadsheets and outdated manuals. Ask Nereus is the first AI-driven assistant designed specifically for the high-stakes world of cooling and water chemistry, transforming decades of "Water Dr." expertise into immediate operational foresight. Whether you are troubleshooting a conductivity spike or optimizing energy efficiency, Nereus provides the expert-backed answers you need to protect your facility’s ROI. - Verified, All-In-One Expertise Ask Nereus puts a unified Intelligence Layer at your fingertips. Get instant, verified strategy on scale, corrosion, and biological control. If your situation requires a human touch, the platform provides a direct line to elite industry experts, ensuring you always have the right support for mission-critical decisions. - Next-Step Insights Nereus doesn’t just answer questions; it guides your inquiry. Our conversational interface uses "Anticipated Questions" to act as your digital partner, suggesting the next logical steps for troubleshooting. It’s like having a senior consultant on-call 24/7, pointing out the system drifts you might have missed. - Unlimited Technical Library Access the industry’s most authoritative archive of water and energy knowledge. Our Unlimited Technical Library gives you the full story on every chemical, symptom, and system type. From deep-dive troubleshooting guides to granular chemistry manuals, the full depth of the "Water Dr." pedigree is now searchable in seconds. - Key Features: • Ask Nereus AI: Conversational assistant trained on proprietary water treatment logic. • Direct Expert Access: Connect with industry specialists for complex facility challenges. • Guided Remediation: Step-by-step instructions to return system readings to control limits. • Searchable Knowledge Base: Instant access to the full Water Dr. technical archive. • Resource Optimization: Identify "cost leaks" in water and energy usage through expert-led insights. • Experience Intelligence, Translated. Download Ask Nereus today.
Screenshots
Verdict
The clearest difference is in-app purchases: Ask Nereus at none against Crestools's 3. Crestools's advantage is device support. On price 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. Crestools sells 3 in-app purchases, starting at $19.99 per year. Ask Nereus asks for nothing beyond the download.
| Parameter | Crestools | Ask Nereus |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (31 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 31 — better | — |
| Update frequency | Every 4 months | — |
| Ads | No | — |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | — |
| Requires iOS | 16.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 34 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Mehdi Boulhalfa | Grant Newhouse |
In-app purchases
Crestools
- Crestools One$19.991 Year
- Crestools Pro$22.99
- Crestools Pro macOS$22.99
Ask Nereus
No in-app purchases









