🔍 Read the full analysis: A New Visual Identity In Two Days? Gewerkton’s AI-Agent Relaunch on ThorstenMeyerAI.com
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TL;DR
Gewerkton, a construction-site documentation tool built by Thorsten Meyer, launched its HORIZON visual redesign on Oct. 3, following implementation work on Oct. 2 and 3, 2026. Meyer says AI coding agents carried out changes across the web and phone apps, Studio, icons and multilingual website, while he approved plans and releases; testing also uncovered defects and unresolved app issues.
Gewerkton launched its HORIZON redesign on Oct. 3, 2026, after two days of implementation work across its construction-site documentation app, phone apps, Studio and multilingual website, as detailed in the original analysis. The company says AI coding agents carried out the changes from written plans, while its developer, Thorsten Meyer, approved the plans, reviewed results and authorized releases. The project’s publisher builds Gewerkton, a disclosure relevant to the account of the rollout.
The redesign changed 281 hard-coded web-app color values to design tokens, restyled 47 cards and introduced a new look for phone-app version 0.5.0 on iPhone and Android. The Studio received light and dark versions of the design, and all 26 icons were re-rendered in cobalt and navy. The website was updated across 529 pages in 40 languages, with 1,583 files uploaded, according to the project’s account.
The work also included 228 AI film runs for five regions, 222 of which had a regional version, and eight help videos. The two-day description refers to execution, not design from scratch: an interim draft dated Sept. 26 was used as a starting point. Meyer approved a written plan that listed open decisions and recommendations; agents worked on a separate code branch, and changes were not merged or delivered until he released each part.
Testing included 853 of 853 phone-app tests and 2,158 of 2,158 Studio tests passing. The website passed seven test suites and was checked in five regions at three screen widths. The web-app test suite still had eight failures in seven files. The project says six also failed on the main branch and one depended on test order, so it did not attribute those failures to the redesign; they were not fixed as part of it.
What Agent-Led Delivery Required
The rollout offers a specific account of how AI coding agents were used on a live product: they implemented a broad set of changes, but human review remained part of the release process. Meyer’s approvals covered the plan, each released component, film reruns that incurred charges, and films showing the updated app. Apple’s agreement process also required Meyer to accept a Program License Agreement before an iPhone build could proceed.
That division matters to readers evaluating claims about autonomous software development. The account describes agents completing implementation tasks, not independently making every product, accessibility, spending or publication decision. It also records defects that visual inspection caught despite automated checks, including icons that obscured nearby labels in dark mode. The experience suggests that test results alone did not establish that every screen or generated video was ready for release.
The numbers describe one project reported by its publisher, not a controlled comparison of agent-led and conventional work. The source gives no comparable timeline, staffing estimate or independent audit. They show the scope of this rollout and the checks reported, but do not establish that a similar redesign can routinely be completed in two days.
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The Sept. 26 Design Starting Point
Gewerkton is a construction-site documentation tool built in Iffeldorf, Bavaria, by Meyer. The publisher’s disclosure says Meyer directs a fleet of AI coding agents, including Codex and Claude, and that the publisher builds and writes about the product itself. The account therefore comes from a project participant rather than an independent evaluation.
The HORIZON work began with an interim design draft on Sept. 26, before the implementation dates of Oct. 2 and 3. The reported scope ranged from app colors and cards to icons, website pages and regional video material. A design choice also changed during implementation: cobalt was darkened after its contrast against a light background measured 4.38:1, below Gewerkton’s stated 4.5:1 working standard under WCAG 2.1 AA. The revised color measured 4.80:1, according to the project.
Some checks involved people rather than scripts. The account says the middle frame of each of 157 mirrored films was visually inspected, with reworked films watched again at 10%, 50% and 90% of their length. Those reviews found problems in recolored helmets and other details that an automated mask had missed.
““The two days cover the execution, from the approved plan to the live website.””
— Gewerkton’s project account
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Defects and Cost Still Open
The redesign account does not provide an independent assessment of the reported tests or a comparison with a conventional development process. It also does not establish how the reported two-day schedule would change if the Sept. 26 draft, human reviews, or prior product infrastructure were absent. Those limits matter when interpreting the timeline as a measure of what AI agents alone can accomplish.
Several issues were identified during the work. An Android test on a Pixel 10a found buttons breaking words across lines after the redesign increased type size and padding; the account says five major findings were scheduled for version 0.5.1 and none was a blocker. Some regional film versions with remaining red were temporarily replaced by European cuts, and nine runs were later reshot with Meyer’s approval. The source does not say whether every planned version 0.5.1 fix has since shipped.
The available cost information is incomplete: the source excerpt ends after stating that film records show about $134 in actual costs. It does not specify the full project cost, what that figure covers, or whether it includes labor and other development expenses. The account says 76 failed film jobs were not billed, but does not provide a complete cost breakdown.
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Version 0.5.1 and Remaining Re-runs
Gewerkton’s stated next software milestone is phone-app version 0.5.1, which was scheduled to address five major findings from the Android test. The account does not give a release date, so the fixes should be treated as planned rather than confirmed as available.
The project also reported reshooting nine regional film runs after temporarily using the European cut for versions with leftover red. The source does not confirm the status of every regional film after those changes. For readers tracking the relaunch, the next useful updates would be confirmation of the app fixes, the status of outstanding regional material and a fuller account of what the reported film cost includes.
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Key Questions
What is Gewerkton?
Gewerkton is a construction-site documentation tool built in Iffeldorf, Bavaria, by Thorsten Meyer, according to the project account.
What does “two days” mean in the relaunch account?
It refers to implementation on Oct. 2 and 3, 2026, from an approved plan to the live website. An interim design draft dated Sept. 26 was already available, so the design did not start from nothing on Oct. 2.
Did AI agents make every decision?
No. The account says agents implemented changes from written plans, while Meyer approved the plan and each release. He also reviewed films showing the new interface, approved paid film reruns and completed an Apple agreement step that agents could not perform.
Did all the reported tests pass?
No. The phone app passed 853 of 853 tests and the Studio passed 2,158 of 2,158, but eight web-app tests failed in seven files. The project says most failures also occurred on the main branch, and another depended on test order; the redesign did not fix them.
What remains to be done?
Five major Android test findings were scheduled for version 0.5.1, with no release date supplied. The account also describes regional film reruns but does not confirm that every planned version or app fix has shipped.
Source: ThorstenMeyerAI.com
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