Comparison

iWeld vs Knowledge Exchange UK

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

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.

Highlights
  • Automatic weld parameter calculation
  • Supports multiple Welda and Bulldog models
  • Provides pre-set timers
  • Offers handy hints and guidance
  • Clear and concise information display
Features
Read full description

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)

About

Knowledge Exchange UK

Features
Read full description

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

iWeld3 screens
Knowledge Exchange UK4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 6 level
iWeld versus Knowledge Exchange UK: the parameters behind the verdict, then further details
ParameteriWeldKnowledge Exchange UK
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 64 monthsEvery 8 months โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS26.015.6 โ€” better
Further details โ€” not scored
Size1 MB48 MB
Age rating4+4+
DeveloperControlPointTeknowledge Software

In-app purchases

None

iWeld

No in-app purchases

None

Knowledge Exchange UK

No in-app purchases

Questions

Is iWeld free?
iWeld is free to download, with no in-app purchases.
Is Knowledge Exchange UK free?
Knowledge Exchange UK is free to download, with no in-app purchases.
Do iWeld or Knowledge Exchange UK have ads?
Neither iWeld nor Knowledge Exchange UK shows ads.
Which is updated more often, iWeld or Knowledge Exchange UK?
iWeld ships an update every 64 months, and Knowledge Exchange UK every 8 months. Most recently, iWeld was updated on October 6, 2026 and Knowledge Exchange UK on October 13, 2026.

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