🔍 Read the full analysis: Gewerkton’s AI Agents Take On A Full Visual Relaunch on ThorstenMeyerAI.com
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TL;DR
Gewerkton says it replaced the visual design of its web and phone apps, Studio, 26 icons and 529-page website on Oct. 2–3, 2026, using AI coding agents to implement an approved plan. The company reports extensive testing, but says human review caught problems automated checks missed, including icon tiles covering dark-mode labels and film recolouring errors.
Gewerkton, a construction-site documentation tool, says it completed a visual relaunch called HORIZON on Oct. 2 and 3, 2026, updating its web and phone apps, Studio, icons and multilingual website. The company says AI coding agents implemented the work from plans approved by founder Thorsten Meyer, who reviewed and released each part; the announcement matters as a detailed account of both the agents’ role and the human checks the company says were needed, as described in the original analysis.
The relaunch covered the web app, iPhone and Android apps, Studio, all 26 icons and a website with 529 pages in 40 languages. Gewerkton says 281 hard-coded colour values in the web app were moved to design tokens, with 11 deliberate exceptions retained, and 47 cards were restyled. The phone app’s new look is identified as version 0.5.0; Studio received light and dark themes.
For the website, Gewerkton says it uploaded 1,583 files without an error, added an opening section featuring real product screens and produced 228 AI film runs for five regions. Of those runs, 222 had a regional version; the company also reports making eight help videos. It says the work took two days to execute, but an interim design draft from Sept. 26 was already in place, so the project did not begin from a blank slate on Oct. 2.
The company says the agents worked in a separate code copy and branch, following a written plan that listed unresolved choices, options and recommendations. Meyer approved the plan and each implementation stage before it was merged or released. The company also says paid film reruns required explicit approval, while Apple’s latest Program License Agreement had to be accepted by Meyer before the iPhone build could proceed.
Human Approval Shaped the Release
The announcement offers a concrete example of a business using coding agents for a broad product update while keeping release authority with a person. Gewerkton’s description does not establish how the process would perform at another company or on a different product, but it shows where this project placed checks: agents implemented approved plans, while Meyer made decisions, reviewed output and authorized releases.
The work also illustrates why a passing test suite is not the same as a finished visual product. Gewerkton says an interface review caught white icon tiles that covered nearby labels in dark mode, a defect automated tests had not flagged. Its film recolouring workflow also missed red items in shadow or warm lighting, and reviewers found errors that scanning did not. For teams considering similar tools, the account highlights the role of visual review and human sign-off alongside automated checks.
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From Draft to Two-Day Execution
Gewerkton says the HORIZON work took place on Oct. 2 and 3, 2026, but an interim look dated Sept. 26 was used as a starting point. The two-day figure refers to execution from the approved plan to the live website, rather than the full period of design work. The company is built in Iffeldorf, Bavaria, by Thorsten Meyer, who says he directs AI coding agents including Codex and Claude.
According to Gewerkton, 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. The phone app passed 853 of 853 tests and Studio passed 2,158 of 2,158. The website passed seven of seven test suites and was checked in a browser across three widths and five regions, then tested again after upload. These are figures reported by the company, not an independent audit.
The company also disclosed that its publisher built Gewerkton and is reporting on its own work. That relationship is relevant when weighing the performance figures and descriptions: the source material is a first-party account, and does not include independent verification or a customer assessment.
“The agents worked in a separate copy of the code on their own branch.”
— Gewerkton’s project account
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Reported Tests, Unverified Outcomes
The account comes from Gewerkton’s publisher, which disclosed that it built the product. The stated test results, upload count, film runs and timing have not been independently verified in the supplied material. It also does not provide customer feedback, adoption figures or evidence about whether the new design changes how users complete work.
Some reported defects remain open. Gewerkton says the web app’s test suite had eight failing tests across seven files: six files reportedly fail the same way on the main branch, and one failure depends on test order and passes when run alone. The company says these failures were not caused by the redesign, but were not fixed by it either. It also reports five significant findings in an Android test on a Pixel 10a; none was considered a blocker, and all were scheduled for version 0.5.1.
The film work had further unsettled details. Production was paused after round nine when 38% of jobs were failing, with 208 of 228 runs completed; Gewerkton says 76 failed jobs were not billed. After visual review, 24 files were cleaned and 10 regional versions with leftover red were temporarily replaced with the European cut. The company says nine of those runs were later reshot with Meyer’s approval and passed review. The supplied cost information is incomplete: it begins to cite an actual film cost of about $134 but provides no further breakdown or clear accounting scope.
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Version 0.5.1 and Film Revisions
Gewerkton says the five findings from its Pixel 10a test are scheduled for phone app version 0.5.1. One issue involved camera-screen buttons breaking a German word across lines after the redesign increased type size and padding. The company has not provided a release date for that update in the source material.
The company also says nine regional film runs were reshot after its visual review and approval. It does not say whether the remaining regional versions that were temporarily switched to the European cut have since been replaced, or when further film revisions may be completed. The next public measure of the relaunch will be how the scheduled app fixes and remaining film work are handled; no additional milestone or independent review is specified.
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Key Questions
What did Gewerkton change in the HORIZON relaunch?
Gewerkton says it updated the visual design of its web and phone apps, Studio, 26 icons and 529-page website available in 40 languages. The website also received a new opening section and AI-generated regional film runs.
How did AI agents take part?
According to Gewerkton, agents including Codex and Claude carried out implementation from written plans in a separate code branch. Founder Thorsten Meyer approved the plan, reviewed results and authorized each release stage.
Was the entire project designed in two days?
No. Gewerkton says an interim design draft dated Sept. 26 was carried into the work. The two days refer to execution from the approved plan to the live website on Oct. 2–3, 2026.
What problems did the relaunch uncover?
Gewerkton says white icon tiles obscured labels in dark mode, while an automatic film mask missed some red objects in shadows and warm light. It also reported five non-blocking findings in an Android test, scheduled for version 0.5.1.
Are the reported results independently verified?
Not in the material provided. Gewerkton disclosed that it was built by its publisher, and the testing, timing and production figures are the company’s own account; no independent audit or customer results were supplied.
Source: ThorstenMeyerAI.com
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