🔍 Read the full analysis: A Two-Day Brand Refresh: Gewerkton’s Work With AI Agents on ThorstenMeyerAI.com
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TL;DR
Gewerkton says it completed a broad HORIZON brand refresh on Oct. 2-3, 2026, using AI coding agents to implement approved plans across its web and phone apps, Studio, icons and website. The company reports extensive testing and human visual checks, while also describing design and film-production problems that required corrections. Gewerkton is built by the publisher of the source account, Thorsten Meyer, who directed and approved the work.
Gewerkton, a construction-site documentation tool, says it replaced the look of its web and phone apps, Studio, icons and multilingual website on Oct. 2-3, 2026, with AI coding agents implementing plans approved and released by founder Thorsten Meyer. The company describes the work as a two-day refresh, as detailed in the original account, but says an interim design draft from Sept. 26 informed the execution; the project account is also a publisher disclosure, since Gewerkton is built by the publisher and Meyer directed the agents.
The refresh, named HORIZON, covered the web app, iPhone and Android apps, Studio, all 26 icons and a website with 529 pages in 40 languages. Gewerkton says the web app’s 281 hard-coded color values were moved to design tokens, with 11 exceptions retained, and 47 cards restyled. The phone app’s new look shipped as version 0.5.0; the Studio received light and dark versions. The icons were rendered in cobalt and navy, and 1,583 website files were uploaded without an error, according to the project account.
The website also received 228 AI film runs for five regions, 222 with region-specific versions, along with eight help videos. The company says work began from a written plan listing open choices and recommendations, which Meyer approved. Agents made changes on a separate code branch; Meyer reviewed and released each part before it was merged or delivered. He also held back films showing the apps until he had approved the new interface on Oct. 3, and required separate approval for paid film reruns.
Reported checks included 200 web-app views across English, German, Japanese and Hindi, at three screen widths and in light and dark mode. Gewerkton says its phone-app test suite passed 853 of 853 tests, Studio passed 2,158 of 2,158, and the website passed seven test suites. The web-app suite still had eight failures in seven files: the account says six also failed on the main branch and one passed when run alone, so those failures were not caused by the redesign, though they remained unresolved.
Field report · AI-assisted product work
A Two-Day Brand Refresh: Gewerkton’s Work With AI Agents
Gewerkton says AI coding agents implemented its HORIZON refresh across apps, Studio, icons and website in two days. People set the plan, reviewed the work and controlled release; visual checks also caught problems automated tests missed.
The account is published by Thorsten Meyer AI, whose publisher builds Gewerkton. Figures and outcomes below are company-reported.
pages · 40 languages
hard-coded colors moved to tokens; exceptions retained
reported suite tests passed
reported suite tests passed
One visual system, many surfaces
The HORIZON refresh covered product interfaces and public-facing materials. Gewerkton describes a construction-site documentation tool developed in Iffeldorf, Bavaria.
Web app restyle
Color values were moved into design tokens. The refresh also restyled 47 cards across the interface.
iPhone and Android
The phone app received the new look. A further Android update, version 0.5.1, is planned for findings from device testing.
Studio and icons
Studio gained light and dark versions. All 26 icons were rendered in cobalt and navy.
Multilingual website
The account says files uploaded without error. The site spans 529 pages in 40 languages.
AI promotional films
Films were produced for five regions, including 222 region-specific versions, alongside eight help videos.
An interim design existed
The two-day claim describes execution and release. An earlier draft informed the work; this was not design from a blank page.
People shaped the release
The account describes agents as implementers working from approved choices, with Meyer retaining product decisions and release authority.
Write the plan
Open choices and recommendations were recorded before implementation.
Approve direction
Meyer approved the plan and its staged work.
Build on a branch
Agents Codex and Claude worked in a separate code branch.
Review and release
Meyer checked each part before merge or delivery; films showing apps waited for interface approval.
Some problems appeared only by looking
Automated checks helped, but visual inspection found interface and film issues that scans did not catch.
“Those finds came from looking, not from the scan.”Thorsten Meyer · Gewerkton builder · project account
Visual checks changed the implementation
White icon tiles obscured labels in dark mode. Meyer spotted the issue during inspection; the team made icon interiors transparent, created a dark variant and corrected a layout rule.
In promotional films, automated color masking missed red in shadows and warm light. Reviewers found remaining red and unwanted edits, including an attempt that turned a person’s lips blue.
The planned cobalt also measured 4.38:1 against a light background, below the team’s stated 4.5:1 working threshold. It was darkened to a reported 4.80:1.
Strong suite results, with open failures
Gewerkton reports broad automated coverage and browser checks. The account does not describe independent verification of these results.
Application suites
Web app and browser review
The account says six web-app failures also occurred on the main branch and one passed when run alone, so those were not attributed to the redesign. They remained unresolved. Website browser runs across three widths and five regions reportedly found no 404s, console errors or overflow.
High volume came with rework
Film output had its own quality limits, separate from the app test results.
Production paused after the ninth round when the reported failure rate reached 38%. At that point, 208 of 228 runs had been completed.
Gewerkton says nine regional runs were later reshot and passed visual review. Ten versions with leftover red were temporarily replaced by the European cut.
The account does not give a final disposition for every film or a complete breakdown of failed jobs. It says 76 failed jobs were not billed and mentions an actual cost of about $134, without explaining the scope or calculation.
Android findings are scheduled for a follow-up
Device testing surfaced issues the company plans to address in a later version. No release date is stated.
Reported delivery is not measured user impact
The project account documents what Gewerkton says it changed and checked. Wider effects remain unknown.
Publisher disclosure
Gewerkton is built by Thorsten Meyer, publisher of the source account, who directed the agents and approved the work.
Cost details are incomplete
The account gives an approximate $134 figure but does not say what it covers or provide a comparable non-agent budget.
Customer outcomes are unreported
No independent design evaluation, customer feedback, usage data or task-completion evidence is provided.
Human Review Shaped the Release
The account offers a detailed example of how a small software company used AI coding agents for implementation while keeping product decisions, approvals and release authority with a person. The agents did not receive an open-ended instruction to redesign the product: a written plan set out decisions, and Meyer approved the work in stages. That distinction matters to readers evaluating claims about AI-assisted development, because this account describes both the agents’ contribution and the human controls around it.
The reported issues also show why successful automated tests do not settle whether a visual redesign works in practice. White icon tiles obscured labels in dark mode, a problem Meyer noticed during inspection rather than through a test. The team then made the icon interiors transparent, created a dark variant and corrected a layout rule. Separately, automated color masking in promotional films missed red in shadows and warm light. Human review found leftover red and other unwanted edits, including an attempt that turned a person’s lips blue. These examples show the limits of the checks described, rather than proving that the workflow will perform similarly elsewhere.
For users, the immediate development is a refreshed interface and a new phone-app version, with a further Android update planned to address findings from device testing. The company has not provided independent evaluation of the design process or evidence about effects on customer use. The stated project results and costs should therefore be read as company-reported figures, not independently audited outcomes.
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From September Draft to Launch
The project’s “two days” refers to execution from the approved plan to the live website on Oct. 2-3, not to all design work from a blank starting point. Gewerkton says an interim version of the look, drafted on Sept. 26, was carried into the refresh. That qualification narrows what the two-day claim measures: implementation and release, rather than the full period of design development.
Gewerkton is described by its builder as a documentation tool for construction sites, developed in Iffeldorf, Bavaria. Meyer directed a fleet of AI coding agents identified as Codex and Claude. The source account comes from ThorstenMeyerAI.com and discloses that its publisher builds Gewerkton. That relationship is relevant when weighing the claims about speed, testing and project performance.
Some choices were made during implementation rather than simply following the original design. The planned cobalt color measured 4.38:1 contrast against a light background, below Gewerkton’s stated working threshold of 4.5:1 under WCAG 2.1 AA. The team darkened it to a reported 4.80:1. This is one example of the stated review process changing the implementation when a check did not meet the project’s chosen standard.
“The agents worked in a separate copy of the code on their own branch.”
— Thorsten Meyer, Gewerkton builder, in the project account
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Costs and Outcomes Still Unclear
The supplied account cuts off after introducing a film-production cost figure, giving only that records put the actual amount at about $134. It does not explain what that figure covers, whether it is the full cost of the film work, or how it was calculated. The 76 failed jobs were not billed, according to Gewerkton, but the source does not provide a complete project budget or a comparable cost for work without agents.
The account also does not report independent verification of the test results, the claimed upload status or the project’s completion timeline. Nor does it provide customer feedback, usage data or evidence that the redesign improved task completion. The company’s description establishes what it says it changed and checked, but the wider effects on users remain unknown.
Film production had further limitations: work paused after the ninth round when the reported failure rate reached 38 percent, with 208 of 228 runs completed at that point. Gewerkton says nine regional runs were later reshot and passed visual review, while 10 versions with leftover red were temporarily replaced by the European cut. The account does not specify the final disposition of every film version or give a complete breakdown of the failed jobs.
multilingual website testing tools
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Android Fixes Are Scheduled
Gewerkton says five major findings from an Android test on a Pixel 10a are scheduled for version 0.5.1. None was described as a release blocker. One example involved the camera screen: larger type and added button padding caused labels to break in the middle of words, while the German cancellation label wrapped onto two lines. The account does not give a release date for version 0.5.1.
The project account says the redesigned website was checked after upload through browser runs at three screen widths across five regions, with no reported 404 errors, console errors or overflow. It does not describe a further launch milestone beyond the planned phone-app fixes. The next concrete development identified is therefore the Android update; whether additional app or film changes will follow has not been stated.
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Key Questions
What did Gewerkton change in the refresh?
Gewerkton says HORIZON updated its web app, iPhone and Android apps, Studio, 26 icons and a 529-page website available in 40 languages. It also added regional promotional films and help videos.
What does Gewerkton mean by a two-day refresh?
The company says execution ran from the approved plan to the live website on Oct. 2-3, 2026. An interim design draft from Sept. 26 was used, so the work did not begin with a blank design.
What role did AI agents play?
According to the project account, Codex and Claude agents implemented changes from written plans on a separate code branch. Thorsten Meyer approved the plan, reviewed results and released each part, including the films that showed the apps.
What problems did the team report?
White icon tiles obscured labels in dark mode, automated film masking missed some red details, and some recoloring attempts produced unwanted changes. The company also reported five non-blocking findings from an Android test, scheduled for version 0.5.1.
Is the reported cost of the film work complete?
The available source gives one figure—about $134 in actual costs—but ends before explaining what it includes. It does not establish that this is the complete cost of the project or provide a comparison with another workflow.
Source: ThorstenMeyerAI.com
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