🔍 Read the full analysis: How To Relaunch A Brand Quickly: Gewerkton’s AI Agents Approach on ThorstenMeyerAI.com
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TL;DR
Construction-site documentation tool Gewerkton says it rolled out its HORIZON redesign across its web and phone apps, Studio, 26 icons and a 529-page website in 40 languages on Oct. 2–3, 2026. AI coding agents handled implementation from approved plans, while founder Thorsten Meyer reviewed and released each part. The publisher builds Gewerkton, and its account says the two-day execution followed an interim design draft and included human visual checks, fixes and unresolved app tests.
Gewerkton, a construction-site documentation tool, says it replaced the look of its web and phone apps, Studio, 26 icons and a 529-page website in 40 languages on Oct. 2–3, 2026. The company says AI coding agents implemented the HORIZON redesign from written plans, while founder Thorsten Meyer approved the plans, checked results and released each component. Gewerkton is built by the publisher of the source account, which disclosed that relationship.
The release covered the web app, iPhone and Android app, Studio and website. Gewerkton reports that developers replaced 281 hard-coded web-app colour values with design tokens, retaining 11 exceptions, and restyled 47 cards. Phone app version 0.5.0 adopted the new look, as did Studio in light and dark modes. The 26 icons were re-rendered in Blender using cobalt and navy.
The website’s new opening section uses real product screens. Gewerkton says it uploaded 1,583 files without an error and produced 228 AI film runs for five regions, alongside eight help videos. Of the 228 runs, 222 had regional versions. The company qualifies the two-day claim: an interim design draft dated Sept. 26 was already available, so the work from Oct. 2 to 3 was the execution of an existing direction, not a design created from scratch.
The agents worked on a separate copy of the code and their own branch. Meyer approved a plan listing open decisions and recommendations, then released work after reviewing it. Films showing the apps were held until he had approved the interface; paid film reruns also required his explicit approval. Apple’s developer agreement created another human-only step: Meyer had to accept the latest Program License Agreement before the iPhone build could proceed.
How Human Review Shaped the Rollout
The account describes an AI-assisted production process, not an autonomous redesign. Agents carried out implementation, but release authority stayed with Meyer, including approval of plans, app visuals and paid reruns. That distinction matters for teams considering similar workflows: the reported speed depended on a prepared design, written task plans, separate code branches and human checkpoints.
The work also shows the limits of automated testing and image processing in this project. A visual review caught white icon tiles obscuring labels in dark mode, an issue no test had flagged. Automated colour masks also missed red elements in shadow and warm light, while broader masks created new errors. Gewerkton says people inspected film frames and corrected or replaced affected versions. Those examples make the claimed two-day turnaround more useful as a process account than as evidence that agents alone can safely deliver a full relaunch.
The numbers come from the publisher’s own report, not an independent audit. They indicate the breadth of the work and the checks the team says it ran, but do not establish how the approach would perform for another product, how much staff time it required overall, or whether the redesign improved user outcomes.
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The Design Work Behind Two Days
Gewerkton is built in Iffeldorf, Bavaria, by Thorsten Meyer, who says he directs a fleet of AI coding agents, including Codex and Claude. The source account presents the relaunch as a case study in using those agents to implement a multi-part product and marketing-site redesign. It does not describe an independent company announcement or outside evaluation.
The project’s stated checks varied by product. The web app was reviewed 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. The phone app passed 853 of 853 tests, Studio passed 2,158 of 2,158, and the website passed seven test suites and browser runs across three widths and five regions. The live website was tested again after upload.
Not all results were clean. The web app suite had eight failing tests across seven files. Gewerkton says six files failed the same way on the main branch before the redesign, while one failure depended on test order and passed when run alone. The company says the redesign neither caused nor fixed those failures.
“The plan listed the open decisions, each with options and a recommendation, and Meyer approved it as recommended.”
— Thorsten Meyer, as described in Gewerkton’s project account
What the Project Numbers Do Not Show
The account does not provide an independent verification of the test totals, upload count or two-day schedule, nor does it quantify total staff hours beyond saying the film runs cost about $134 in actual costs. That figure is incomplete in the supplied material: it does not specify what costs were included or how much the broader redesign cost.
It is also unclear how users have responded to HORIZON or whether the redesign changed engagement, adoption or business results. Gewerkton says five major findings from an Android test on a Pixel 10a were not blockers and are scheduled for version 0.5.1, but the source does not list all five. One described issue involves camera-screen buttons breaking mid-word because larger type and padding affect the German cancel label.
The report says film production paused after round nine, when 208 of 228 runs were complete and 38% of jobs were failing. It says 76 failed jobs were not billed, but does not provide further information about the cause of those failures or the final cost of the full project.
Planned Android and Film Follow-Up
Gewerkton says the five major Android-test findings, including the camera-screen text wrapping, are scheduled for app version 0.5.1. The source does not give a release date. Nine regional film runs were later reshot with Meyer’s approval and passed visual review; ten regional versions with leftover red were temporarily replaced with the European cut. The account says the reshoots addressed nine of those runs, but does not state when any remaining regional replacements will be completed.
The project’s next public evidence would be the 0.5.1 release and any subsequent updates on the outstanding films, test failures or user response. Gewerkton has not supplied a measured comparison of performance before and after the relaunch, so claims about the redesign’s effect on product use remain open.
Key Questions
What did Gewerkton relaunch?
Gewerkton says it updated its web app, iPhone and Android app, Studio, 26 icons and 529-page website, along with regional AI-generated films and help videos.
How did AI agents take part?
AI coding agents implemented the work from written plans on a separate code branch. Founder Thorsten Meyer approved the plan, reviewed results and controlled releases and paid film reruns.
Was the redesign created entirely in two days?
No. Gewerkton says an interim design draft existed on Sept. 26. The two days, Oct. 2–3, refer to implementation from the approved plan through the live website.
Did every test pass?
No. Gewerkton reports eight web-app test failures across seven files, which it says were pre-existing or dependent on test order. It also reports five non-blocking findings in an Android test, scheduled for version 0.5.1.
What remains unknown about the results?
The account gives no independent audit or measured data on user response, adoption or business impact. It also does not give a full cost breakdown or a release date for version 0.5.1.
Source: ThorstenMeyerAI.com
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