iPad & iPhone

Convertium: Currency & Units
Travel
AS Lytx: Trends & Analytics
Developer Tools
RC Lytx
Developer Tools
Play-ya
Music
Calcularium
Productivity

iPhone

Zonium – Timezone Converter
Travel
Tipium – Tip Calculator
Travel
Ewe: English Made Easy and Fun
Education
force4change – Tag Journaling
Lifestyle
The Wallpapers Club
Entertainment
Мусаракш
Reference

iPad

Apple Watch

Mac

AS Lytx: Trends & Analytics
Developer Tools
RC Lytx
Developer Tools
ViRE – Regex You Can Read
Developer Tools
Calcularium Context Calculator
Productivity