SolidGuide vs NV Master
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SolidGuide
This app provides water treatment professionals with quick access to product information and essential calculators for cooling tower, boiler, and closed-loop systems. It features a user-friendly catalog, equipment details, intelligent surveys, and searchable resources like spec sheets and drawings.
- User-friendly product catalog
- Comprehensive equipment information
- Intelligent surveys
- Upgraded calculators
- Searchable resources (spec sheets, drawings, case studies)
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SolidGuide, powered by AP Tech, is a valuable resource for water treatment professionals, designed to streamline access to AP Tech solid chemistry product information and calculators for cooling tower, boiler, and closed-loop applications. With SolidGuide 2.0, you will experience a smooth experience and refined resources, including: • User-friendly Product Catalog • Comprehensive equipment information • Intelligent and seamless surveys • Calculators with upgraded functionality • Searchable resources (spec sheets, drawings, case studies, and more) • Eliminate the guesswork and get SolidGuide.
NV Master
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NV Master is a mobile application tool that is compatible with thremal AI collision prevention instruments and used in many scenarios, such as safe driving, nighttime pedestrian monitoring, and vehicle detection. It is convenient for users to manage related AI collision prevention instruments by wirelessly connecting with the device and achieving device control and remote OTA upgrade.
Screenshots
Verdict
The clearest difference is iOS requirement: NV Master at 12.0 against SolidGuide's 15.0. On price, update cadence, ads and in-app purchases 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.
SolidGuide ships an update every 6 weeks, NV Master every 3 weeks. The most recent releases landed on June 5, 2026 and September 12, 2026 respectively.
| Parameter | SolidGuide | NV Master |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 46 MB |
| Age rating | 4+ | 17+ |
| Developer | APTech Group | Thermal Master Technology Co.,Ltd. |
In-app purchases
SolidGuide
No in-app purchases
NV Master
No in-app purchases
Questions
Is SolidGuide free?
Is NV Master free?
Do SolidGuide or NV Master have ads?
Which is updated more often, SolidGuide or NV Master?
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