Digital Solutions from Berlin · since 2017
Your own platform, web app or native app: we build and run it from a single source – for small and medium-sized businesses, hosted in Europe.
You talk directly to the founders.
Tassilo, Marc and Ricardo
Reviews at a glance
Ø 4.6 out of 5 from three platforms
As of October 2026. Ø = mean of the platform ratings; each platform counts equally because ProvenExpert also imports reviews from other platforms. We do not check the reviews ourselves; whether and how the platforms do so is explained on the profiles.
All reviews in detailWho it's for
Four situations we see again and again – and solve.
You have a product idea and need the platform, apps, billing and operations from a single source.
Spreadsheets, emails and standalone tools become one system with clear roles and workflows.
Native apps for iPhone and Android that connect to your existing data and processes.
Step by step onto a modern, maintainable foundation – without stopping day-to-day operations.
What we do
SaaS platforms, web apps, mobile apps and secure infrastructure – all from a single source.
Complete products from a single source – web app, marketing site, iOS and Android. Built in Berlin, run in Europe.
SaaS · Stripe · PostgreSQL
Learn more →Customer portals, booking systems and internal tools in the browser – fast, accessible and on every device.
React · Angular · Next.js
Learn more →Native apps for iPhone, iPad and Android – published in the App Store and on Google Play.
iOS · Android · watchOS
Learn more →We connect your software to payments, accounting and third-party systems.
Stripe · Lexware Office · REST
Learn more →Reliable server logic with background jobs, emails and clean deployments.
Node.js · PostgreSQL · Redis
Learn more →We run what we build – in data centers in Europe.
Docker · Cloudflare
Learn more →Our own products
4 platforms of our own are live – on the web and with 6 apps in the App Store and on Google Play. What we learn there goes into every client project.
Training & education
Complete digital solution for Module 95 & accelerated initial qualification (BGQ) — from online booking and QR check-in to the learning portal, invoicing and the KBA-compliant XML export.
Mobility & leasing
Keep your leasing mileage in view — forecast with a traffic light until the end of the contract, automatic odometer readings for Tesla and subscription billing via the App Store or Stripe.
Fitness & training
All-in-one fitness app — strength training, HIIT and run tracking with Apple Watch, voice coach and RunTurf gamification.
Tactical event operations
Multi-tenant SaaS for tactical simulation events — airsoft, paintball and MilSim with a live situation picture, our own vector maps, a scoring engine and on-site verification.
Process
Clear steps, regular demos and a team that looks after your product after the launch, too.
We understand your goal, clarify scope and requirements and tell you openly how we can help.
We plan the platform, apps and interfaces together with you – with clear milestones.
Regular demos instead of a black box: you see the progress and give feedback along the way.
We take your product live, into the app stores, and run it on servers in Europe.
DevelopmentTassilo and Marc
Operations & hosting
The launch is only the beginning: we host, back up, update and monitor your software – from a single source, on servers in Europe.
Servers and storage in Germany, France, Spain, Finland and Norway – all within the scope of the GDPR.
Regular backups, stored separately from the server – so nothing gets lost.
Security patches, hardened servers and encrypted connections via Cloudflare.
Round-the-clock monitoring with alerts, on request with a maintenance agreement and guaranteed response times.
Responsible for hostingMarc
Reviews
Public reviews on ProvenExpert, Google and Trustpilot – 4.6 out of 5 on average. See for yourself.
4.79out of 5
45 reviews · profile “ZooBrothers UG”
Read on ProvenExpert4.7out of 5
11 reviews · profile “Ayonto UG (haftungsbeschränkt)”
Read on Google4.3out of 5
7 reviews · profile “ZooBrothers Medien Agentur”
Read on TrustpilotAs of October 2026. The average is the mean of the platform ratings; each platform counts equally because ProvenExpert also imports reviews from other platforms. Some of the reviews date from the time as ZooBrothers UG – Ayonto UG's former name. We do not check the reviews for authenticity ourselves; whether and how the platforms do so is explained on the linked profiles.
Team
No chain of account managers: you talk directly to the people responsible for your project – from the first idea to day-to-day operations.
Founder & CEO
Founder & CEO
Founder & Sales
FAQ
The key facts about ayonto at a glance.
ayonto is a software company from Berlin-Lichtenberg. We build SaaS platforms, web apps and native apps for iOS and Android – and run them on servers in Europe.
For small and medium-sized businesses and founders in Germany, Austria and Switzerland who need their own platform, a customer portal or an app.
An MVP of a single platform can be ready in 4–8 weeks. A complete product with a web app, iOS and Android usually takes 4–9 months. We work in sprints with regular demos.
On servers in Germany, France, Spain, Finland and Norway – all within the scope of the GDPR. We run our own services in Germany. We take care of backups, updates and monitoring – on request with a maintenance agreement.
BKF Manager (training for professional drivers), LeasePilot (keeping an eye on leasing mileage), NOXA (workout and running app) and Tactio (platform for tactical events) – live on the web, in the App Store and on Google Play.
The three founders: Tassilo and Marc are responsible for development, Marc for operations and hosting, Tassilo and Ricardo for sales and customer contact. Ayonto UG (haftungsbeschränkt) has existed since 2017 and was formerly called ZooBrothers UG.
Via the contact form or by requesting a callback. In a free, no-obligation initial call we clarify the goal, scope and next steps.
Tell us what you have in mind – Tassilo and Ricardo will get back to you personally. The initial call is free and without obligation.
ayonto · Berlin-Lichtenberg
