🔍 Read the full analysis: Gewerkton’s Brand Relaunch, Rebuilt With AI Agents In Two Days on ThorstenMeyerAI.com
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TL;DR
Construction-site documentation tool Gewerkton says it replaced the look of its apps, Studio, icons and multilingual website with its HORIZON design during two days of implementation on Oct. 2–3, 2026. AI coding agents carried out work from an approved plan, while founder Thorsten Meyer reviewed releases and handled decisions that required human approval. The company’s account also describes missed visual defects, failed film jobs and unresolved app findings.
Gewerkton, a construction-site documentation tool, says it replaced the design of its web and phone apps, Studio, icons and multilingual website with a new identity called HORIZON on Oct. 2–3, 2026, in the original account of the relaunch. The company says AI coding agents carried out the implementation from written plans, while founder Thorsten Meyer approved the plans, checked results and released each part.
Gewerkton reports that the two-day rollout covered 529 website pages in 40 languages, the web app, an iPhone and Android app release numbered 0.5.0, and its Studio in light and dark modes. It also says all 26 icons were re-rendered in Blender, and that 1,583 files were uploaded without an error. The website received 228 AI film runs for five regions, alongside eight help videos.
The company qualifies the claim that the work took two days: an interim design draft dated Sept. 26 was used, so the design did not begin from scratch on Oct. 2. The two days refer to execution from the approved plan through the live website. According to Gewerkton’s account, agents worked on a separate code branch; Meyer reviewed the outputs and withheld release until he approved each part.
The reported checks included inspection of the web app across 200 views, four languages, three screen widths and light and dark modes. Gewerkton says the phone app passed 853 of 853 tests and Studio passed 2,158 of 2,158. Its web-app suite still had eight failing tests in seven files; the company says six files also fail on the main branch and one failure depends on test order. The redesign did not cause those reported failures, but did not resolve them.
Field report · Brand & product · Oct. 2–3, 2026
Gewerkton’s Brand Relaunch, Rebuilt With AI Agents In Two Days
Gewerkton says its HORIZON identity reached its apps, Studio and multilingual website in two days of implementation. Agents handled the planned coding work; founder Thorsten Meyer reviewed outputs, made key decisions and approved releases.
“The two days cover the execution, from the approved plan to the live website.”
Gewerkton’s account
One identity across the product
The publisher reports that HORIZON was applied across its customer-facing surfaces, with a refreshed site, apps and supporting media.
529 pages in 40 languages
The multilingual website went live as part of the relaunch, alongside the web app and refreshed icons.
Release 0.5.0
Phone apps for iPhone and Android received the update. Studio was refreshed in light and dark modes.
Films and help videos
Gewerkton reports 228 AI film runs for five regions and eight help videos. Not every film issue was resolved during rollout.
Agents built; a person released
Gewerkton describes coordinated implementation from a written plan, with human review and approval gates throughout.
Strong app suites, open web findings
The figures below come from Gewerkton’s account. The company says visual review also caught defects that automated checks missed.
Eight failures remained in seven files
Gewerkton says six files also fail on the main branch and one failure depends on test order. The redesign did not cause the reported failures, but it did not resolve them. The full status of every failure is not detailed.
White icon tiles covered labels in dark mode; the issue was found by inspection and corrected or temporarily addressed.
At the pause, 208 of 228 runs were complete and 76 failed jobs were not billed. Some regional cuts were temporarily substituted.
None was classified as a blocker. Gewerkton scheduled them for version 0.5.1; the account does not confirm that it has shipped.
Speed came with review—and rework
The account is first-party reporting by the product’s publisher, not an independent audit of delivery, quality, costs or time saved.
Contrast improved
The original cobalt measured 4.38:1 against a light background, below the 4.5:1 working target. Gewerkton says it darkened the color to 4.80:1.
281 values migrated
The company reports moving 281 hard-coded color values to design tokens, while keeping 11 deliberate exceptions.
Automated scans missed red
Color masking missed red details in some films. Ten regional versions were temporarily replaced with the European cut; nine runs were later reshot with approval.
Agents can coordinate broad implementation work when the plan, review and release decisions are explicit.
Independent verification, full film costs, the status of remaining regional cuts and the eventual 0.5.1 release.
Reported results by surface
A compact view of scope and known follow-up, based on Gewerkton’s published account.
| Surface | Reported update | Status in account |
|---|---|---|
| Website | 529 pages, 40 languages; live by end of Oct. 3 | Reported live |
| Phone apps | iPhone and Android release 0.5.0 | 853 / 853 tests passed |
| Studio | HORIZON in light and dark modes | 2,158 / 2,158 tests passed |
| Web app | Reviewed across 200 views, four languages, three widths and two themes | Eight test failures reported |
| Android follow-up | Five major findings from Pixel 10a test | Scheduled for 0.5.1; shipment unconfirmed |
| Regional films | 228 runs across five regions; nine later reshot | Remaining substitutions unclear |
Human Review Shaped the AI Rollout
The account offers a concrete example of how a small software company says it used coding agents for a broad product and brand update. The agents handled implementation work across several surfaces, but the process was not presented as fully autonomous: Meyer approved the plan and releases, and he made decisions the agents could not make. Apple’s iPhone build, for example, was blocked until Meyer accepted the latest Program License Agreement.
The reported problems also show why successful tests alone did not establish that every change was ready. White icon tiles obscured labels in dark mode, and an automated scan missed red elements in some films. Gewerkton says these were found through visual inspection and corrected or temporarily addressed. For companies considering similar workflows, the account highlights both the potential speed of coordinated agent work and the continuing need for human review of visual output.
These figures are the company’s own report, not an independent audit. They describe one publisher-built product and do not establish that the same pace or results would apply to other software projects.
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From Draft to Live Release
Gewerkton is built in Iffeldorf, Bavaria, by Thorsten Meyer, who says he directs a fleet of AI coding agents, including Codex and Claude. The publisher’s disclosure says it built the product itself and is documenting what it learns. That relationship matters: the account is first-party reporting about the publisher’s own work, rather than an external assessment.
The workflow began with a written plan listing open decisions, options and recommendations. Meyer approved the recommendations, after which agents worked in a separate copy of the code. The company says changes were not merged or delivered until he released them. Film runs showing the new interface were held until the interface had been reviewed on Oct. 3, and paid reruns also required explicit approval.
Some decisions changed during implementation. Gewerkton says the original cobalt color measured 4.38:1 contrast against a light background, below its working target of 4.5:1 under WCAG 2.1 AA, so it darkened the color to 4.80:1. The company also says it left 11 deliberate exceptions when moving 281 hard-coded color values to design tokens.
““The two days cover the execution, from the approved plan to the live website.””
— Gewerkton’s account, published by ThorstenMeyerAI.com
Defects and Test Failures Remain
Gewerkton’s account does not provide an independent assessment of the claimed delivery figures, the quality of the finished redesign or the time saved by the agents. It also does not identify the specific coding tasks assigned to each agent or give a full breakdown of the reported about $134 in actual film costs; the source material ends before further cost details.
Several shortcomings were documented. The company says it paused film production after nine rounds when 38% of jobs were failing; at that point, 208 of 228 runs were complete, and the 76 failed jobs were not billed. It reports that 24 files were cleaned after visual review, 10 regional versions with remaining red were temporarily replaced with the European cut, and nine runs were later reshot with Meyer’s approval. The source does not explain the status of every remaining regional film or give a full account of the eight web-app test failures.
A Pixel 10a Android test also found five major issues, none classified as a blocker by Gewerkton. The account says they were scheduled for version 0.5.1, but does not confirm that update has shipped. It is also unclear whether the temporary film substitutions have since been replaced across all regions.
Version 0.5.1 Is Planned
Gewerkton says the five findings from its Android test are scheduled for version 0.5.1. The company has not supplied a release date in the available account. It also says nine film runs were reshot after the initial visual review, but does not state when the remaining regional versions will be checked or updated.
The immediate next steps described are therefore product fixes and continued review of visual material. Whether the rollout’s reported test results, costs and schedule will be independently verified remains unknown.
Key Questions
What did Gewerkton change?
Gewerkton says it applied the HORIZON design to its web and phone apps, Studio, all 26 icons and a 529-page website in 40 languages. It also reports 228 AI film runs for five regions and eight help videos.
Were the agents fully autonomous?
No. According to Gewerkton, agents implemented changes from a written plan, while Thorsten Meyer approved the plan, reviewed outputs and released each part. Some actions, including accepting Apple’s developer agreement and approving paid film reruns, required human authorization.
Did all the tests pass?
No. Gewerkton reports that its phone app passed 853 of 853 tests and Studio passed 2,158 of 2,158, but eight web-app tests failed in seven files. The company says most of those failures also occur on the main branch, and one depends on test order.
What went wrong during the relaunch?
The company says icon tiles obscured labels in dark mode, automated color masking missed red details in some films, and some recoloring attempts produced visible mistakes. An Android test also found five major issues scheduled for version 0.5.1.
Does “two days” mean the design began on Oct. 2?
No. Gewerkton says an interim design draft from Sept. 26 was carried into the work. The two-day period refers to implementation from the approved plan through the live website on Oct. 2–3, 2026.
Source: ThorstenMeyerAI.com
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