iWeld vs API 571 Helpmate
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
iWeld
This app calculates optimal joint parameters for manual butt fusion machines. It guides users through the fusion process with timers and helpful tips. Compatible with various Welda and Bulldog models.
- Automatic weld parameter calculation
- Supports multiple Welda and Bulldog models
- Provides pre-set timers
- Offers handy hints and guidance
- Clear and concise information display
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iWeld assists users of the Welda range of manual butt fusion machines to make optimal joints every time. By selecting the Welda model, entering the pipe details and choosing the appropriate welding standard the application automatically calculates all the critical weld parameters. Parameters include pressures, temperatures and timings for the various stages of the fusion process. The information is presented clearly and concisely. The application can also assist the operator throughout the fusion process by providing pre set timers, handy hints and general guidance. iWeld works with the following butt fusion machines: * Welda 180, 250, 315, 400, 500 and 500HF * Bulldog 315 (select Welda 315)
API 571 Helpmate
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Prepare for your API 571 Corrosion and Materials certification with API 571 Helpmate, the ultimate study companion. This app provides the essential knowledge base for the current Body of Knowledge (BOK), ensuring you're fully up-to-date on the latest requirements. With over 500 questions, API 571 Helpmate offers powerful features designed to optimize your study experience. Track your progress, bookmark challenging questions, and tailor your learning to your individual needs. This allows you to pinpoint areas for improvement and solidify your understanding of critical concepts. Study anytime, anywhere, and build the confidence you need to ace your exam. API 571 Helpmate is built to help engineers, inspectors, and beginners achieve success, empowering you to learn without barriers. What You'll Gain: ⢠Accelerated Learning: Quickly grasp engineering codes and standards used in the petroleum and petrochemical industries. ⢠Exam Readiness: Develop a deeper understanding of API 571 certification exam questions and gain real-life exam experience. ⢠Up-to-Date Content: Access the latest API 571 Body of Knowledge (BOK) requirements. ⢠Increased Confidence: Boost your confidence for the actual exam and significantly improve your chances of passing. ⢠Efficient Preparation: Maximize your success on your first attempt while minimizing the impact on your working schedule. ⢠Flexible Study: Enjoy 24/7 access to learn at your own pace, place, and convenience. ⢠Cross-Platform Access: Study seamlessly from your tablet or smartphone. ⢠Cost Savings: Eliminate dependency on expensive API 571 exam preparation classroom courses. ⢠Categorized Questions: Explore questions from the API RP 571 Body of Knowledge (BOK) grouped by: o Low-Temperature Corrosion o Elevated-Temperature Corrosion o Metallurgical and Mechanical Damage o Environment-Assisted Cracking o Other Mechanisms Important Notes: ⢠While this app does not contain actual exam questions (as they frequently change), it provides an abundance of frequently asked or similar questions to prepare you thoroughly. ⢠API 571 Helpmate cannot grant you API certification. However, it is an invaluable tool for engineers, engineering students, and designers to quickly learn the industry's essential codes and standards. Developed by Experts: This app is developed by authorized API certified inspectors who achieved success through a systematic self-learning approach, without relying on classroom or online courses. We believe in your potential and encourage you to begin your learning journey with API 571 Helpmate today. Every step you take will make you stronger, more skilled, more self-confident, and ultimately more successful. For more information, please visit https://engqa.com EULA : https://helpmateworld.com/about-us/
Screenshots
Verdict
The clearest difference is in-app purchases: iWeld at none against API 571 Helpmate's 1. API 571 Helpmate's advantage is update cadence (every 8 months vs every 64 months) and iOS requirement (16.0 vs 26.0). On price, ads and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. API 571 Helpmate sells 1 in-app purchase, starting at $29.00 per year. iWeld asks for nothing beyond the download.
iWeld ships an update every 64 months, API 571 Helpmate every 8 months. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.
| Parameter | iWeld | API 571 Helpmate |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | ā |
| Update frequency | Every 64 months | Every 8 months ā better |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Monetization | Free | ā |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 16.0 ā better |
| Further details ā not scored | ||
| Size | 1 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | ControlPoint | Austenite Pty Ltd |
In-app purchases
iWeld
No in-app purchases
API 571 Helpmate
- 12 Months Plan$29.001 Year









