Hayden Campbell · Developer

Simple apps,
real results.

Apps for learning languages, making better food choices, and tracking fitness — available on iOS & Android.

English Sentences (Thai) icon
ฝึกประโยคภาษาอังกฤษ
English Sentences (Thai)
Education · Language

Practice English sentences with Thai translations. Listening, typing, speaking and flashcard exercises built for Thai learners.

English Learning App icon
English Learning App
Education · Language

Learn English sentences for everyday use. Practice listening, translation, typing and speaking with a growing library of practical phrases.

Learn French Sentences icon
Learn French Sentences
Education · Language

Practice French sentences with the same proven method — listening, building, typing and speaking exercises to build real fluency.

Is It Vegan? Additive Checker icon
Is It Vegan? Additive Checker
Food & Drink · Health

Instantly check if food additives and E-numbers are vegan. Scan ingredients while you shop and never second-guess a label again.

Halal Additives icon
Halal Additives
Food & Drink · Health

Check whether food additives and E-numbers are halal. A quick, reliable reference for conscious shoppers and families.

Cycling Power Profile icon
Cycling Power Profile
Health & Fitness

Find your cycling strengths and weaknesses. Input your power numbers and get a detailed profile to guide smarter training.

Cycling Power Zones icon
Cycling Power Zones
Health & Fitness

Calculate your cycling training zones from your FTP. Know exactly which zone you're in and train smarter every session.

Heart Rate Zones icon
Heart Rate Zones
Health & Fitness

Calculate your heart rate training zones. Set targets for fat burn, aerobic, and threshold — then hit every workout with purpose.