IObit Applock

Add an extra security layer to your phone

ParentsKit

Parental control app to monitor children's online activity

Purple Applock

App vault and VPN in one single app

Latch

Protection for your user accounts

Vaulty

Hide your Android videos and photos

FamilyTime

Remote parental control for mobile phones of children

Microsoft Family Safety

Control the digital activity of your family members

Norton Family

Control your kids' online activities

Kid's Shell

Create a safe space for your kids on any phone

AdClear

Block adverts and control your data consumption

Kids Place

Turn your Android into a safe are for kids

Stay Focused

Stop being distracted with your smartphone!

Privary

Protect the privacy of your files

AppDetox

Block applications to concentrate

Private Photo Vault

Protect your photos and videos from the eyes of others

File Hide Expert

Hide folders on your Android

HiNative

Learn languages with the help of native speakers

Pleco

A great resource for students of Chinese

Tandem

Learn to speak other languages by means of conversation exchanges

Duolingo

An app to learn languages, maths, and music with your cell phone

LOLA SPEAK

Learn English by talking

Duolingo ABC

An English course for kids

Mondly

Alternative to Duolingo learn languages

HelloTalk

Practice languages with native speakers

Memrise

Learn languages with a revolutionary method

Lingokids Chinese for Kids

Learn Chinese from your smartphone

Du Chinese

A pocket-sized tool for learning and translating Mandarin Chinese

Rosetta Stone

App for learning a range of languages

DW Learn German

Free German course adapted to all levels

busuu

Interactive exercises and quizzes to learn many languages

Babbel

Learn languages with your mobile phone in an entertaining way