Ask Nereus vs Grey Tide
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
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Ask Nereus: The Intelligence Layer for Water & Energy Stop searching through scattered spreadsheets and outdated manuals.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 facilityβs 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 doesnβt 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. Itβs like having a senior consultant on-call 24/7, pointing out the system drifts you might have missed. - Unlimited Technical Library Access the industryβs 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: β’ Ask Nereus AI: Conversational assistant trained on proprietary water treatment logic. β’ Direct Expert Access: Connect with industry specialists for complex facility challenges. β’ Guided Remediation: Step-by-step instructions to return system readings to control limits. β’ Searchable Knowledge Base: Instant access to the full Water Dr. technical archive. β’ Resource Optimization: Identify "cost leaks" in water and energy usage through expert-led insights. β’ Experience Intelligence, Translated. Download Ask Nereus today.
Grey Tide
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Grey Tide is an app for keeping track of your miniature collection and your painting. Follow each miniature through its stages, and record exactly which paints you used and how, alongside your photos. [Features] - Collection Organize by game system and faction. Record quantity, storage location, and notes. Search works in both English and Japanese. - Painting progress Six stages: Unassembled / Assembled / Primed / In progress / Painted / Parade ready. - Photos and gallery Store multiple photos per miniature and browse them all in a fullscreen gallery. - Paint markers Pin a marker on the spot in a photo and save the paint, technique, mixing ratio (up to two paints), and your notes. - Whole-model steps Record steps applied to the whole miniature, such as primer and topcoat, in one place. They are shared across every photo and marker for that miniature. - Paint recipes Save a marker's steps under a name and apply them to other markers, base coat included. - Colour list A built-in catalogue of 236 paints. Add your own paints, and mark the ones you own to filter down to what's on your shelf. - Box scan Photograph a box (supported manufacturers only) to read the unit name and fill it into the Add miniature form. - Japanese / English This is an unofficial, fan-made app. It is not affiliated with, endorsed, or sponsored by any miniature or paint manufacturer.
Screenshots
Verdict
The clearest difference is update cadence: Grey Tide at every 5 weeks against Ask Nereus's every 7 months. Ask Nereus's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Ask Nereus ships an update every 7 months, Grey Tide every 5 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | Ask Nereus | Grey Tide |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 5 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.0 β better | 18.0 |
| Further details β not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Grant Newhouse | Hiroto Terada |
In-app purchases
Ask Nereus
No in-app purchases
Grey Tide
No in-app purchases









