StoneAge Waterblast Tools vs WJTA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StoneAge Waterblast Tools
Access essential documentation and resources for high-pressure waterblast tools. Find product manuals, jetting information, and instructional videos to enhance safety and productivity in industrial applications.
- Tool manuals
- Jetting information
- Product videos
- Safety resources
- Productivity tools
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StoneAge, Inc. is one of the world’s leading manufacturers of high-pressure waterblast tools and automated equipment for industrial companies and contractors worldwide. Our products have been an industry standard for over 30 years and we continue to lead the way with automated equipment designs that promote safety and advance productivity for a wide variety of applications. The StoneAge mobile app offers easy access to StoneAge tool manuals, jetting, product videos and more.
WJTA
This app provides essential field tools and member resources for professionals in high-pressure waterjetting and industrial vacuum operations. It offers offline calculation tools, a document library, and industry news to keep users informed and efficient on the job.
- Offline field calculators
- Pump flow calculations
- Nozzle and orifice sizing
- Tank volume estimation
- Material weight calculation
- Document library access
- Industry news and links
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The official WJTA mobile app puts essential field tools and member resources in your pocket—built for technicians, supervisors, and authorized personnel in high-pressure waterjetting, hydroblasting, and industrial vacuum operations. Whether you are sizing equipment on the jobsite, checking safety references, or staying current with industry updates, WJTA gives your team fast, reliable access to the resources you use every day. FIELD CALCULATOR SUITE (OFFLINE CAPABLE) Run practical hydroblasting and vacuum calculations anywhere—even without a connection: • Pump Flow Calculator — solve for pressure, flow rate, or horsepower (HHP/IHP) • Nozzle / Orifice Sizing — size nozzles with pressure-loss analysis for hose, lances, and couplings • Tank Volume Calculator — estimate material capacity and payload weight for vacuum trucks and combo units • Material Weight Calculator — calculate load weight from tank volume, fill level, and material density Imperial and metric units are supported across calculators. DOCUMENT LIBRARY Browse WJTA safety documents, specifications, and industry resources by category. Search the full library, preview documents in the app, save files for offline access, and open cached documents when connectivity is limited. NEWS & INDUSTRY LINKS Stay informed with WJTA-curated industry resources and verified external links that open securely in your device browser. Built for the field. Designed for safety. Powered by WJTA. Note: This app is for authorized WJTA corporate members only. A valid member account is required to sign in and use app features.
Screenshots
Verdict
The clearest difference is rating: WJTA at 5.0 against StoneAge Waterblast Tools's 4.0. WJTA also leads on ads (none vs shown) and update cadence (weekly vs every 4 months). StoneAge Waterblast Tools's advantage is ratings volume (3 vs 1). On price, in-app purchases, device support 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. Neither carries in-app purchases, so what you see is what you pay.
WJTA holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
StoneAge Waterblast Tools ships an update every 4 months, WJTA weekly. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.
| Parameter | StoneAge Waterblast Tools | WJTA |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 4 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 53 MB | 43 MB |
| Age rating | 17+ | 4+ |
| Developer | StoneAge, Inc. | Valorian, LLC |
Customer experience
StoneAge Waterblast Tools
WJTA
In-app purchases
StoneAge Waterblast Tools
No in-app purchases
WJTA
No in-app purchases
