🔍 Read the full analysis: Gewerkton’s Relaunch: A New Look Developed With AI Agents 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, icons and multilingual website on October 2–3, 2026. Its publisher says AI coding agents carried out the implementation under human approval, while visual checks caught problems that automated tests missed.
Gewerkton, a construction-site documentation tool, says it replaced the look of its web app, iPhone and Android apps, Studio, icons and multilingual website with a design called HORIZON on October 2–3, 2026, as detailed in the original report. The company says AI coding agents carried out the implementation from written plans, while founder Thorsten Meyer approved the plans, reviewed results and released each part.
The publisher, ThorstenMeyerAI.com, disclosed that it also builds Gewerkton, so its account is a first-party report rather than independent verification. It says the rollout covered a web app, phone app version 0.5.0, Studio in light and dark modes, 26 icons and a website with 529 pages in 40 languages. The website received 228 AI-generated film runs for five regions, along with eight help videos.
The company says the web redesign moved 281 hard-coded colour values to design tokens, retained 11 deliberate exceptions and restyled 47 cards. All 26 icons were re-rendered using Blender. The website upload comprised 1,583 files, which the publisher says completed without an error. It qualifies the “two days” description: an interim design draft dated September 26 informed the work, so the design did not start from scratch on October 2.
According to the account, the agents worked in a separate code copy and branch. Meyer approved a written plan listing open decisions, options and recommendations. Each stage had to be released by him before it was merged or delivered. Films showing the new interfaces were held until he had reviewed and approved the apps on October 3, and paid film reruns also required his explicit approval. Apple’s latest Program License Agreement required acceptance by Meyer before the iPhone build could proceed; the publisher says an agent could not complete that step.
Product relaunch · First-party account · October 2–3, 2026
Gewerkton’s Relaunch: A New Look Developed With AI Agents
Gewerkton says its HORIZON redesign reached its web and phone apps, Studio, icon set and multilingual website in a two-day execution window. AI agents handled implementation from written plans; founder Thorsten Meyer approved plans, reviewed results and controlled releases.
“The two days cover the execution, from the approved plan to the live website.”
ThorstenMeyerAI.com · Gewerkton’s publisherAt a glance
What the rollout covered
The publisher describes a broad update across product interfaces and web content. Its figures and conclusions have not been independently verified.
Scope of change
One design across multiple surfaces
HORIZON updated interfaces, visual assets and supporting media. An interim design draft dated September 26 informed the work, so the design did not start from scratch on October 2.
Web and phone apps
The redesign covered the web app and iPhone and Android apps. Phone app version 0.5.0 was part of the rollout.
Studio in two modes
Studio received light and dark modes, with visual checks spanning screen sizes and languages.
Icons and color system
All 26 icons were re-rendered in Blender. The web app’s hard-coded colors were consolidated into design tokens, with 11 deliberate exceptions retained.
529 pages, 40 languages
The multilingual site was uploaded in 1,583 files. The publisher reports the transfer completed without error.
Regional launch media
The website received 228 AI-generated film runs for five regions, plus eight help videos.
Contrast changed before release
The planned cobalt measured 4.38:1 against a light background. The team darkened it to 4.80:1, above its 4.5:1 working threshold under WCAG 2.1 AA.
Human approval gates
How the work moved to release
The publisher’s account describes agent-assisted implementation with a person retaining control of the plan, review and delivery.
Approve the plan
Meyer reviewed written plans listing open decisions, options and recommendations.
Implement in isolation
Agents using Codex and Claude worked from plans in a separate code copy and branch.
Inspect the results
Visual checks and test runs surfaced issues. Each stage required Meyer’s release approval.
Release after review
Films showing the new interfaces waited until he had reviewed and approved the apps on October 3.
Checks and findings
Passing tests did not catch every visual issue
The account combines automated results with human inspection. It also reports unresolved test failures and scheduled phone app fixes.
Reported verification
- ✓Phone app: 853 of 853 tests passed; Studio: 2,158 of 2,158.
- ✓Website: seven of seven test suites passed; publisher says it was checked live after upload.
- ✓Web app inspected in 200 views across English, German, Japanese and Hindi; three widths and both color modes, with no reported overflow or console errors.
- ~Eight web app tests failed across seven files. The publisher says these failures were not caused by the redesign and were not fixed in the update.
What visual review found
- !An early icon version put white tiles over neighboring labels in dark mode; Meyer found the defect by inspection.
- ~A color-mask scan missed red details in generated films when shadow or warm lighting obscured them.
- ~Reviewers checked the middle frame of 157 mirrored films and watched reworked versions at 10%, 50% and 90%.
- ~Five major Android findings on a Pixel 10a are scheduled for version 0.5.1; none was classed as a blocker. No release date was given.
Film production
Review changed what shipped
The publisher describes corrections after production paused, while leaving some final counts and cost details unspecified.
Bars show relative counts against the 228 reported film runs; they do not indicate quality or completion rates.
Reading the claims
What the account does—and does not—establish
ThorstenMeyerAI.com, Gewerkton’s publisher, disclosed that it also builds the product. This is a first-party report, not independent verification or an external audit.
Test totals, upload results, production figures and costs come from the publisher. The supplied material does not independently confirm them.
The report gives no complete breakdown of agent assignments, human work hours or total redesign cost. It mentions about $134 for film production but does not explain what that amount covers.
The cause of one reported test failure is not detailed. The account also does not give the version 0.5.1 date or when all regional film versions will be restored.
Human Review Shaped the Rollout
The account offers a detailed example of how a small software publisher says it used AI coding agents for a broad product update without giving them authority over every decision or release. The agents handled implementation, but a person approved the plan, inspected work and controlled delivery. That division matters to readers weighing claims about agent-led development: the described process was not an autonomous redesign.
The report also shows why automated checks alone may not catch problems users can see. Gewerkton says a first icon version placed white tiles over adjacent labels in dark mode, a defect Meyer found through visual inspection. A colour-mask scan also missed red details in generated films when they appeared in shadow or warm light. The examples underline the difference between passing software tests and checking how a product looks and behaves in practice.
These are the publisher’s own figures and conclusions, not an external audit or evidence that the same approach will work for other teams. Still, the account identifies specific review gates, test results and corrections rather than describing the rollout only in general terms.
construction site documentation software
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From Palette Draft to Release
Gewerkton is described by its publisher as a construction-site documentation product built in Iffeldorf, Bavaria, by Thorsten Meyer. For the redesign, Meyer directed a group of AI coding agents using Codex and Claude. The source says agents implemented work from written plans; it does not provide an independent assessment of which system performed each task or how much work each agent completed.
The design’s cobalt colour was adjusted before release. Gewerkton says the original shade measured 4.38:1 contrast against a light background, below the 4.5:1 working threshold it applies under WCAG 2.1 AA. The team darkened it to 4.80:1 rather than shipping the planned shade. The account says deviations from the plan were logged and the more conservative option was chosen where needed.
The rollout included checks across several screen sizes and languages. The publisher reports that the web app was inspected in 200 views in English, German, Japanese and Hindi, at widths of 390, 834 and 1,440 pixels, in light and dark modes. It says those checks found no overflow or console errors. 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 live after upload.
“The two days cover the execution, from the approved plan to the live website.”
— ThorstenMeyerAI.com, Gewerkton’s publisher
Limits of the Publisher’s Account
The relaunch details come from Gewerkton’s publisher, which disclosed its ownership of the product. No independent source in the supplied material verifies the test totals, upload results, production figures or costs. The account also does not give a complete breakdown of agent assignments, human work hours or the total cost of the redesign.
Not every test result was clean. The publisher says eight web-app tests failed 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. Gewerkton says those failures were not caused by the redesign, but the update did not fix them. The source does not detail the remaining failure’s cause.
Film quality checks involved human review as well as automated scanning. Gewerkton says reviewers examined the middle frame of each of 157 mirrored films and watched reworked films at 10%, 50% and 90% of their length. The source describes errors and corrections, but does not provide a full account of the final number of films that required replacement or the distribution of results across all five regions.
Phone App Fixes Are Scheduled
Gewerkton says five major findings from an Android test on a Pixel 10a are scheduled for version 0.5.1, with none classed as a blocker. One example was camera-screen buttons breaking across words because the redesign uses larger text and more padding; the German label for “cancel” wraps onto two lines. The publisher has not provided a release date for that update.
The film work also continued after production was paused. The account says nine regional runs were reshot with Meyer’s approval after visual checks, while ten versions containing leftover red were temporarily replaced with the European cut. It does not state when all regional versions will be restored or whether further reshoots are planned.
The publisher’s source mentions an actual film-production figure of about $134, but the supplied material ends before explaining what that amount covers. It is not possible from the available information to treat it as the full cost of the redesign or the entire film effort. Further cost detail, the timing of version 0.5.1 and any later corrections remain unreported.
Key Questions
What changed in the Gewerkton relaunch?
Gewerkton says its HORIZON design rolled out across the web app, iPhone and Android apps, Studio, all 26 icons and a website with 529 pages in 40 languages on October 2–3, 2026.
What did the AI agents do?
According to the publisher, Codex and Claude agents implemented work from written plans in a separate code branch. Founder Thorsten Meyer approved the plan, reviewed results and controlled releases; the account does not provide a task-by-task breakdown of agent work.
Did the redesign pass all tests?
No. Gewerkton reports that the phone app passed 853 of 853 tests and Studio passed 2,158 of 2,158, but eight web-app tests failed. The publisher says six failures also occur on the main branch and one is test-order dependent.
What problems were found after implementation?
A visual review found white icon tiles obscuring labels in dark mode, and film colour masks missed some red details. An Android test also found buttons breaking mid-word. Gewerkton says five major Android findings are scheduled for version 0.5.1.
How much did the relaunch cost?
The supplied publisher account gives an actual film-production figure of about $134, but the information provided does not say what that amount covers. It should not be read as the total cost of the redesign.
Source: ThorstenMeyerAI.com
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