About Us
Geo Systems Dev PTY LTD creates practical software for learning, creativity, documents, data, and analysis.
Our products are designed to be straightforward, fast, and privacy-conscious — so sensitive work can stay on your own devices. Most of our apps process data entirely locally, with no accounts required and no cloud uploads.
Products
- ReadPop — interactive lift-the-flap learning books for children aged 3–8, with bilingual content, quizzes, offline downloads, no advertising, and no user accounts.
- HODLings — private cryptocurrency tracker for web, iPhone, iPad, and Android. Track Bitcoin, Ethereum, Solana and 1000+ coins with on-device local storage — no account, no ads, and no subscriptions. Free at hodlings.app, with one-time $1 native apps on iOS and Android.
- File Content Finder — desktop search app for macOS and Windows. Search across all your documents by their actual contents — PDF, Word, Excel, images (OCR), and more. No indexing required.
- TextQ — analyse and query large CSV files on macOS with a visual query builder or full SQL. Built for datasets too large for typical spreadsheet workflows. All processing is local.
- Data Transformer — convert between popular data formats (JSON, CSV, XML, YAML, Excel) entirely offline on macOS and Windows. Your data never leaves your machine.
- MathPlot — free Canva app to add 2D mathematical graphs (linear, parametric, polar) to your Canva designs using MathJS syntax.
Get in touch
Please feel free to email us for any inquiries.