Product
Habit Tracker 3.0 ships the offline-first calendar heat-map
The biggest Periodic Habit Tracker update yet replaces cloud sync with a beautiful local calendar heat-map and a "starlight" dark mode palette.
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Updates from the team behind the Tianrun privacy-first app matrix.
Filter — future updates will be powered by JSON, but for now these are the curated stories we want you to read first.
Product
The biggest Periodic Habit Tracker update yet replaces cloud sync with a beautiful local calendar heat-map and a "starlight" dark mode palette.
Read more →
Engineering
A deep-dive into on-device OCR with ML Kit, model quantization, and selective feature flags — leading to a 12 MB Android package.
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Privacy
How we passed the IARC age rating and human-reviewed Family-Friendly checklist — without compromising the ad-supported IAA model.
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Partnership
We're opening a pair of international engineering hubs to better serve European customers and follow the sun for incident response.
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Research
Our research team spends six weeks benchmarking GGUF-quantized open models for the Writing Inspiration Engine. Spoiler: yes.
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Award
The Outdoor Offline Route Resolver takes home the 2026 Indie Fest award, honoring apps with sub-30 MB packages and zero required signups.
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Monetization
We share our full mediation waterfall, frequency caps and rewarded video principles — the system that drives +18% ARPDAU without harming UX.
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Accessibility
A walkthrough of our internal accessibility checklist: contrast, focus order, screen reader labels, motion reduction and haptic alternatives.
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Compliance
We explain how our apps implement EU AI Act Article 50 transparency obligations when any AI feature is enabled — or isn't.
Read more →For interviews, embargoes and speaking opportunities, please email liujianhai@tianrunhy.com.