🔍 Read the full analysis: Two Days, One Relaunch: Gewerkton Rebuilds Its Look With AI Agents on ThorstenMeyerAI.com
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TL;DR
Construction documentation tool Gewerkton says it launched a new design across its web and phone apps, Studio, icons and 529-page multilingual website on Oct. 2-3, 2026, using AI coding agents to carry out an approved plan. The publisher reports extensive testing and human visual checks, while documenting issues with icons, film recolouring and an Android camera screen. The company says the two-day period covered execution, not the design work from scratch.
Gewerkton, a construction-site documentation tool built by the publisher of the source material, says it replaced the design of its web app, iPhone and Android apps, Studio, 26 icons and multilingual website on Oct. 2 and 3, 2026. The company says AI coding agents carried out the implementation from a plan approved by founder Thorsten Meyer, who reviewed and released each part; the original analysis details how the company used agents alongside human checks and the defects those checks caught.
The new design is called HORIZON. Gewerkton says the web app’s 281 hard-coded colour values were moved to design tokens, with 11 exceptions retained, and 47 cards were restyled. Version 0.5.0 of the phone app adopted the look on iPhone and Android, and the company says Studio received both light and dark versions. All 26 icons were rendered again in Blender using cobalt and navy.
The website’s 529 pages in 40 languages were updated, including a new opening section featuring product screens. Gewerkton reports uploading 1,583 files without errors. It also reports 228 AI film runs for five regions, of which 222 had their own regional version, plus eight help videos. The company says 157 mirrored films received a visual check at the middle frame, and reworked films were viewed again at 10%, 50% and 90% of their length.
The two-day description applies to the execution and launch, not the entire design process: an interim design draft dated Sept. 26 was carried into the work. Meyer approved a written plan listing open decisions, options and recommendations. Agents worked on a separate branch; according to the source account, no part was merged or delivered until Meyer released it. Film runs showing the interfaces and paid reruns also required his approval.
Two Days, One Relaunch: Gewerkton Rebuilds Its Look With AI Agents
Gewerkton says its HORIZON design went live across apps, Studio, icons and a 529-page multilingual website on October 3, 2026. The two-day push covered implementation and launch, guided by an approved plan and human review.
One design system, many surfaces
The publisher describes a coordinated redesign spanning daily construction documentation, the companion phone apps, Studio and the public website. Here is the reported scope of the launch.
Tokens over hard-coded color
281 hard-coded color values were moved to design tokens, with 11 exceptions retained. The team also restyled 47 cards.
Consistent across devices
Phone app version 0.5.0 adopted the new look on iPhone and Android. Studio received both light and dark versions.
Rebuilt for a global audience
All 26 icons were rendered again in Blender using cobalt and navy. The 529-page site in 40 languages gained a new opening section with product screens.
Agents carried out an approved plan
The account describes agent-assisted implementation, not open-ended authority to make design decisions and publish. Founder Thorsten Meyer approved the written plan, checked the work and released each part.
An interim design dated September 26 provided a basis for implementation.
Meyer reviewed open decisions, options and recommendations, then approved the plan.
Codex and Claude worked on a separate branch to carry out planned tasks.
Work was reviewed and released by Meyer; film runs and paid reruns also needed approval.
“The two days cover the execution, from the approved plan to the live website.”
— Gewerkton’s publisher, in the supplied project accountTesting covered code, screens and content
Gewerkton reports automated test runs alongside visual checks by a person. The reported checks covered multiple screen sizes, languages, display modes and website regions.
| Area | Reported check | Reported result | Read-through |
|---|---|---|---|
| Phone app | Automated tests | 853 / 853 passed | All reported tests passed |
| Studio | Automated tests | 2,158 / 2,158 passed | All reported tests passed |
| Website | Automated test suites | 7 / 7 passed | Live site also checked across 3 widths and 5 regions |
| Web app | 200 views, 4 languages, 3 widths, 2 modes | No overflow or console errors reported | English, German, Japanese and Hindi; 390, 834 and 1,440 px |
| Web app tests | Existing test failures | 8 tests across 7 files failed | Publisher says failures were not caused or fixed by the redesign |
| Film review | Mirrored film checks | 157 checked at midpoint | Reworked films also viewed at 10%, 50% and 90% |
Scale, with a few visible snags
The launch included media production as well as interface work. Human inspection found defects that automated checks did not catch, and the team adjusted its process as it went.
- Icon contrast: White tiles behind new icons obscured nearby labels in dark mode. Meyer found the problem by inspecting the interface.
- Film recoloring: A color-detection mask missed red in shadows and warm lighting. Some regional films needed review and rework.
- Android camera screen: A Pixel 10a check found five issues scheduled for version 0.5.1. One described problem made a button break the German word for “cancel” across two lines.
A case study, with open questions
Clear roles and review points
In this project, agents implemented scoped tasks while a person made decisions, inspected results and controlled releases. Visual inspection caught issues that automated tests and scanning missed.
Costs, quality and final fixes
The account does not independently evaluate code quality or time savings. It lacks a full film cost breakdown and does not confirm when Android 0.5.1 will ship or whether every regional film was restored to its intended standard.
“Where the plan did not hold up, the deviation was logged and the conservative option taken.”
— Gewerkton’s publisher, in the supplied project accountWhat readers should take away
What changed?
Gewerkton says HORIZON reached its web app, iPhone and Android apps, Studio, 26 icons and a 529-page website in 40 languages. The rollout also included regional AI films and help videos.
Did agents decide and publish?
According to the publisher’s account, Meyer approved the plan and reviewed and released each part. Agents carried out implementation tasks under that process.
Was the whole redesign done in two days?
No. The two-day claim refers to execution and launch. An interim draft dated September 26 was already available as a starting point.
Do the results prove a general speed or cost advantage?
No. The numbers describe one company’s project and have not been independently audited. They do not establish that the same results apply to other teams or redesigns.
From draft to live product
Gewerkton is described by its publisher as a construction-site documentation tool built in Iffeldorf, Bavaria, by Thorsten Meyer. Figures and project details in this infographic are attributed to the supplied publisher account.
What Agent-Led Delivery Required
The relaunch offers a practical example of AI agents being used for implementation across several products, rather than being given open-ended authority to redesign and publish. Gewerkton’s account describes a division of work: agents executed tasks from written plans, while Meyer made decisions, checked results and controlled releases. Apple’s program agreement also required an action only Meyer could take before the iPhone build could proceed.
The reported defects show why automated tests did not replace human review. White tiles behind the new icons obscured nearby labels in dark mode, a problem Meyer found by inspecting the interface. A colour-detection mask missed red in shadows and warm lighting in some films. Those examples matter to readers evaluating agent-assisted software work: the company’s own account identifies visual inspection and approval gates as part of getting the rollout live, not optional cleanup after it.
The account is also a case study from the product’s publisher, not an independent audit. Its test counts and cost figure are company-reported results. They describe this project but do not establish that the same speed, reliability or expense would apply to other software teams or redesigns.
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A Draft Preceded the Two-Day Push
Gewerkton is described by its publisher as a documentation tool for construction sites, built in Iffeldorf, Bavaria, by Thorsten Meyer. The source account says Meyer directed AI coding agents identified as Codex and Claude. The design work was not wholly compressed into Oct. 2 and 3: an interim version from Sept. 26 provided a starting point for the implementation.
Before release, the web app was checked in 200 views across English, German, Japanese and Hindi, at widths of 390, 834 and 1,440 pixels, in light and dark modes. Gewerkton reports no overflow or console errors in those checks. Its phone app recorded 853 of 853 tests passing, Studio 2,158 of 2,158, and the website passed seven of seven test suites. The live website was also checked after upload across three screen widths and five regions.
Not every test result was clean. Eight web-app tests failed across seven files, according to the account. Six files reportedly failed in the same way on the main branch, while another failure depended on test order and passed when run by itself. Gewerkton says these failures were not caused by the redesign, but also were not fixed during it.
““The two days cover the execution, from the approved plan to the live website.””
— Gewerkton’s publisher, in the supplied project account
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Reported Tests Leave Open Questions
The account does not provide an independent evaluation of the launch, the agents’ code quality or the claimed time savings. It also does not specify how the reported about $134 in actual film costs was calculated, what costs were excluded, or whether that figure covers all 228 runs and related retries. Gewerkton says 76 failed film jobs were not billed, but does not give a full cost breakdown.
The company reports that 38% of film jobs were failing when production paused after round nine, with 208 of 228 runs then completed. It says nine regional versions were later reshot with Meyer’s approval and passed visual checks. The source does not set out a complete accounting of the remaining film versions or explain whether all regional material had been restored to the intended standard by publication.
The scope and release timing of the planned version 0.5.1 Android fixes are also not specified beyond the company’s statement that five findings from a Pixel 10a test are scheduled for that release. The account calls none of the five a blocker, but does not detail all five issues.
multilingual website management tools
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Android Fixes Are Planned for 0.5.1
Gewerkton says the five major findings from its Android camera-screen test are scheduled for version 0.5.1. One described issue involved buttons breaking words across lines after the redesign increased type size and padding; the German word for “cancel” wrapped onto two lines. The company has not supplied a release date for the update.
The publisher’s account says nine film runs were reshot after the first visual review, while ten regional versions containing leftover red were temporarily switched to the European cut. It does not give a timetable for further changes to the remaining regional versions. Further reporting would be needed to confirm the 0.5.1 release, the final status of those films and the full cost of the film work.
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Key Questions
What changed in Gewerkton’s relaunch?
The company says it applied its HORIZON design to the web app, iPhone and Android apps, Studio, 26 icons and a 529-page website available in 40 languages. It also produced regional AI film versions and help videos.
Did AI agents make the design decisions and publish the changes?
According to the publisher’s account, Meyer approved a written plan and reviewed and released each part. The agents implemented work on a separate code branch; some film runs and paid reruns also needed human approval.
Was the entire redesign completed from scratch in two days?
No. Gewerkton says an interim design draft from Sept. 26 was carried into the Oct. 2-3 work. The two-day period refers to execution from the approved plan through the live website.
What problems did the team report?
The account describes icon tiles that obscured labels in dark mode, film colour masks that missed some red details, and an Android camera-screen layout issue. It also reports eight web-app test failures, which the company says were not caused by the redesign.
When will the Android fixes arrive?
Gewerkton says five findings from its Android test are scheduled for version 0.5.1, but it has not provided a release date.
Source: ThorstenMeyerAI.com
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