Before you start · 9 min read
BNPL and credit apps: what the new Czech law changes on screen
The Czech credit bill brings more BNPL and free credit into scope from February 2027. Which app screens change, and what must ship before January.
What to know before you build an app.
The Tolaron blog
Practical notes from Tolaron, Prague, on building mobile apps and B2B software.
Written by Zdeněk Dolák, founder
Latest
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Before you start · 11 miniPhone Duo: Is your app ready for the foldable iPhone?
Technology · 7 minApple's new EU rules: should your app take payments itself?
Store rules · 7 min
Planning an app? Start here.
Four posts in the order the questions usually come up: from whether to build an app at all to the contract.
Store rules
4 posts
Technology
3 posts
iPhone Duo: Is your app ready for the foldable iPhone?
Every app runs on Apple's foldable iPhone Duo, but how well depends on how it was built. What changes, what to test and why April 2027 matters.
· 7 min
iOS 27: What is new
Siri AI, on-device models, Liquid Glass and parental controls: what iOS 27 changes for companies with an iPhone app, and what the EU does not get yet.
· 5 min
React Native for business apps: what one codebase covers
When one React Native and Expo codebase fits an iOS and Android business app, and what it does not remove: native SDKs, offline, testing and releases.
· 5 min
All posts
14 posts- BNPL and credit apps: what the new Czech law changes on screen
- Who owns the AI in your app? Accounts, prompts and data
- What drives the cost of a business app, and how a cap works
- iPhone Duo: Is your app ready for the foldable iPhone?
- Apple's new EU rules: should your app take payments itself?
- Android developer verification: what changes outside Google Play
- Apple's new EU tracking prompt: what changes for your app
- Does the European Accessibility Act apply to your app?
- Who owns your app? What to check before you sign
- Do you need an app, or a better mobile website?
- iOS 27: What is new
- What your API needs before we build a mobile app
- React Native for business apps: what one codebase covers
- What to send before asking for a mobile app proposal
Planning a mobile app?
Send a short summary: who will use it, the main task it should solve and the system it has to connect to.