Mondly vs Sotto

Mondly8.6Visit SSotto5.7Visit

Higher score Mondly #8 in Language Learning Apps 8.6/10 Free plan · 7-day trial Free planFree trial✓ 5 of 5 features Visit Mondly

vs

S Sotto #31 in Language Learning Apps 5.7/10 Free plan Free plan✓ 5 of 5 features Visit Sotto

• Mondly fits best

  Broad-language learners seeking varied practice modes

• Sotto fits best

  Learners wanting maximum breadth and control

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Side by side

Feature	Mondly 8.6/10 Visit ↗	SSotto 5.7/10 Visit ↗
At a glance
Editor score	8.6	5.7
Ranking	#8 in Language Learning Apps	#31 in Language Learning Apps
Best for	Broad-language learners seeking varied practice modes	Learners wanting maximum breadth and control
Pricing model	Free plan + paid	Free
Starting price	—	Free plan
Free plan	✓	✓
Free trial	7 days	—
Deployment	Cloud, Desktop, Mobile	Cloud, Desktop, Mobile, Self-hosted
Platforms	Web, macOS, iOS, Android	Web, Windows, macOS, Linux, iOS
Features Mondly 5/5 · Sotto 5/5
Offline lessons	✓	✓
Speech practice	✓	✓
Placement test	✓	✓
Personalized review	✓	✓
Mobile apps	✓	✓
Specs
Languages offered	41	Not checked yet
Our review
Pros	Supports 41 language courses and 1,320 language combinations Combines speech recognition, AI conversations, grammar, and vocabulary review Offers offline learning across web, iOS, Android, and macOS	Covers grammar, reading, listening, speaking, and writing Supports adaptive review, pronunciation scoring, and writing feedback Runs across web, desktop, iOS, API, and self-hosted setups
Cons	The Free plan provides only limited access Paid pricing may vary by region or platform It is proprietary rather than open source	Self-hosting can require more setup than a hosted learning app Cloud AI, speech, search, or storage providers may add direct costs Its broad feature set may be more than casual learners need
Our verdict	Mondly is a language-learning app for individual learners, educators, and businesses. Developed by ATI Studios and part of Pearson, it combines short daily lessons with topic-based courses, vocabulary and grammar practice, pronunciation… Read the review →	Sotto is an open-source language-learning application for learners who want private, context-based practice across all four core skills. Its CEFR-based courses cover grammar, reading, listening, speaking, and writing, while placement… Read the review →

Strengths and trade-offs

• Mondly — where it wins

  • Supports 41 language courses and 1,320 language combinations
  • Combines speech recognition, AI conversations, grammar, and vocabulary review
  • Offers offline learning across web, iOS, Android, and macOS

  Where it doesn't

  • The Free plan provides only limited access
  • Paid pricing may vary by region or platform
  • It is proprietary rather than open source

• Sotto — where it wins

  • Covers grammar, reading, listening, speaking, and writing
  • Supports adaptive review, pronunciation scoring, and writing feedback
  • Runs across web, desktop, iOS, API, and self-hosted setups

  Where it doesn't

  • Self-hosting can require more setup than a hosted learning app
  • Cloud AI, speech, search, or storage providers may add direct costs
  • Its broad feature set may be more than casual learners need

• Mondly8.6/10 · Free plan · 7-day trial

  A broad language-learning app with varied practice modes and a freemium entry point.

  Visit MondlyFull verdict →
• SSotto5.7/10 · Free plan

  A broad, private language-learning workspace with offline and self-hosted options.

  Visit SottoFull verdict →