Colorado · Agentic mobile development

Mobile App Development for iOS and Android Users in Colorado

From July 1, 2028, Colorado's SB26-051 changes how a covered app learns a user's age. Operating system providers that run or preinstall an app store must collect a birth date, age or age bracket at device account setup and give developers a real-time API for age signals, and covered apps must request that signal at first launch or account creation. An app started in 2026 is better off planning for that in its first version than patching it in later.

Curiosive is a studio working from Ankara, Türkiye, that ships iOS and Android apps from one React Native codebase, with AI coding agents doing the volume and senior engineers reviewing their output. Agents build screens, navigation, form validation and tests. Engineers own token storage, auth refresh, entitlement checks, permission prompts and the privacy declarations each store reviews. Repositories and hosting accounts belong to you from day one.

Start a partnership From $2,000 per month

24: published portfolio projects
5+: years building for production
12: countries the work runs in
100%: of code read by a senior engineer
1 day: to hear back, from the engineer

For US founders and product teams

A US company. An engineering partner you can keep.

Curiosive LLC is our US-registered company. Engineering is led from Ankara, Türkiye, with collaboration across European and US time zones. Your engagement starts with a written scope, monthly capacity and a clear delivery plan.

Know who you hire

Curiosive LLC provides the services. Our US company details and service terms are published, and pricing is in USD.

Know what will ship

Agree scope, capacity and start date before checkout. Work through a prioritized queue, with senior engineers reviewing changes before they reach production.

Keep ownership

Typed, tested and documented code, with no lock-in to our tooling. Define repository access, handover and the working-hour overlap during discovery.

Explore our US partnership →Book a 30-minute intro call →Discuss your product →Service terms

Colorado's app age-signal law and what it changes in your build

SB26-051 was signed on June 3, 2026. Its four brackets are under 13, 13 to under 16, 16 to under 18, and 18 or older, and a covered app must treat the signal as the primary indicator of a user's age. Some existing installs are covered too: apps last updated on or after July 1, 2027 and downloaded before July 1, 2028 must request the signal before January 1, 2029. The Attorney General can seek up to $2,500 per minor harmed for each negligent violation and $7,500 for each intentional one. In a build, we store the bracket with its source and the date it was read, request it during onboarding, and gate features on it through one module rather than checks scattered across screens. Apple's ratings point the same way: 13+, 16+ and 18+ now sit beside 4+ and 9+, and the new rating questions had to be answered by January 31, 2026 to avoid an interruption when submitting updates.

Since October 1, 2025, SB24-041 has applied to any controller doing business in Colorado or targeting its residents, whatever its data volume or revenue, once it knows or willfully disregards that a user is a minor. That controller must use reasonable care to avoid any heightened risk of harm to minors and run a data protection assessment where that risk exists. Consent, from a parent or guardian for children under 13, is needed before processing a minor's data for targeted advertising, sale or profiling, before using a system design feature that significantly increases, sustains or extends a minor's use, and before collecting precise geolocation. Age verification is not required. In an app, that puts streaks, autoplay and endless feeds on the list of features we gate on consent for known minors, along with the precise location permission prompt. Because the age bracket from SB26-051 will feed the same checks later, we build both sets of checks on one source of age state.

Since July 1, 2025, HB24-1130 has brought any controller that controls or processes any amount of biometric identifiers or biometric data under the Colorado Privacy Act for that data, even below the Act's volume thresholds. Such a controller needs a written policy with a retention schedule and a protocol for data security incidents, made public except for employee-only policies and the internal incident protocol. A biometric identifier must be deleted at the earliest of three points: when the purpose for collecting it is satisfied, 24 months after the consumer last interacted with the controller, or no more than 45 days (extendable by 45) after an at least annual review finds storage no longer necessary. Before collection, the controller must meet the Act's consent duties and say what is collected, why, for how long and whether a processor receives it. Our biometric sign-in keeps only a session token, in the Keychain on iOS or the Keystore on Android, never a face or fingerprint template.

Agentic React Native work: what agents build and engineers own

An engineer writes each task with acceptance criteria and the boundaries the agent must not cross. Claude Code or Cursor scaffolds screens, navigation, list rendering and form validation, writes tests and drafts store metadata, with type checks, lint and tests passing before it offers a change, and a senior engineer reads every diff. For a Colorado release, agents also write the test matrix that walks each age bracket and consent state through every gated screen. Engineers keep offline and reconnection behaviour and server-side receipt checks. On the US storefront, Apple's guidelines 3.1.1(a) and 3.1.3 allow links to purchase methods other than in-app purchase, and Google does not require Play Billing for US users, so the server must know whether a subscription came from a store or the web. With Ankara 10 hours ahead of Mountain time in winter and 9 in summer, builds land with written notes by your morning. Our React Native work includes TrendinChat (trendin.chat) and Coffict (coffict.com).

Proof

Published project examples

TrendinChat

Coffict

This is HCD

MoneyCare

Appster

Release Coach AI

AI-accelerated development

from$2,000

per month

Senior engineers building your product with AI coding agents: web, mobile, SaaS or browser extension, reviewed before anything ships.

Web, mobile, SaaS and browser extensions
AI-assisted delivery under senior engineer review
Scope and capacity agreed in writing, renews monthly

AI-accelerated development, billed monthly. We confirm scope, capacity and start date in writing before checkout.

Questions

The things people ask before starting.

When do apps in Colorado have to start reading age signals under SB26-051?

Covered apps must start on July 1, 2028, requesting the signal at first launch or account creation and treating it as the primary indicator of a user's age. Apps last updated on or after July 1, 2027 and downloaded before July 1, 2028 have until January 1, 2029. The bracket comes from the operating system provider through a real-time API.

Does Face ID login count as collecting biometric data under Colorado law?

It depends on what your app and servers actually receive, so it is worth confirming your design with a lawyer. HB24-1130 covers any controller that controls or processes any amount of biometric identifiers or biometric data. An app that captures and stores its own face scans plainly has to plan for those duties. Our default sign-in releases a stored token and sends no template to the app or its servers.

Does a chatbot in our app need an AI disclosure for users in Colorado?

Yes, from January 1, 2027, if it is a publicly available conversational AI service under HB26-1263. The operator must disclose that it is AI, estimate users' age with commercially reasonable or generally accepted methods, and keep a self-harm protocol it reports on to the Attorney General every year. Known minors get no engagement rewards, and minors or their parents get privacy and account tools.

Is Colorado's social media warning message law in effect?

No, it is currently blocked. HB24-1136, which requires websites to show state-approved warning messages to users, was preliminarily enjoined on November 6, 2025 in NetChoice v. Weiser, where the court found it likely violates the First Amendment. As of October 5, 2026, Colorado's appeal to the Tenth Circuit was still pending after the final reply brief was filed on August 14, 2026.

Solutions

Locations

What happens after you write to us.

01
You describe the product
One paragraph on what you are building, roughly when you need it, and who it is for. No brief, no form with fifteen fields.
02
You get a reply within a day
From the engineer who would do the work, not a sales team. If we are not the right fit we say so, and where possible we point you somewhere better.
03
You get a scoped plan
Scope, price and timeline in writing before anything is committed. You decide with the numbers in front of you.

No long contract to begin, no lock-in to our tooling, and the code is yours from the first commit.

Start a conversation

Contact

Looking for an engineering partner for the long haul?

A short note about the product, the timeline and who it is for is enough to start. You will hear back from the engineer who would do the work, not a sales team.

hello@curiosive.com See what we have shipped

Ankara / Türkiye · Working across European and US time zones

Mobile App Development for iOS and Android Users in Colorado