iWeld vs Knowledge Exchange UK
Price, ratings, monetisation and update history for both apps, side by side โ 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)
Knowledge Exchange UK
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Enhance your experience at Knowledge Exchange UK with the official conference app. Designed to put everything you need at your fingertips, the app gives you access to the full programme, speaker bios, and interactive floorplans โ all in one place. Connect seamlessly with sponsors, exhibitors, and fellow attendees through in-app messaging and networking features. Stay up to date with real-time announcements and explore exhibitor profiles with ease. Whether you're planning your day, navigating the venue, or building new connections, the Knowledge Exchange UK app is your essential companion throughout the event.
Screenshots
Verdict
The clearest difference is update cadence: Knowledge Exchange UK at every 8 months against iWeld's every 64 months. Knowledge Exchange UK also leads on iOS requirement (15.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
iWeld ships an update every 64 months, Knowledge Exchange UK every 8 months. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.
| Parameter | iWeld | Knowledge Exchange UK |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | โ |
| Update frequency | Every 64 months | Every 8 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 26.0 | 15.6 โ better |
| Further details โ not scored | ||
| Size | 1 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | ControlPoint | Teknowledge Software |
In-app purchases
iWeld
No in-app purchases
Knowledge Exchange UK
No in-app purchases









