Related websites and shared ownership

One coordinated collection

Jibber Jabber publishes this workbook and the guides below. They share one publisher. They are not independent reviews or independent endorsements of the app. Their separate designs and domains do not change that ownership.

Use the Portuguese reference guide for a different question

This workbook teaches scene-based listening tasks. The related Portuguese guide covers broader language topics. If you want to understand the sound of a nasal vowel rather than complete an everyday task, read its Portuguese nasal vowels entry. Do not repeat the same workbook task simply to collect more pages.

The published guide group

• Comprehensible input Spanish — a related guide from the same publisher.
• Comprehensible input French — a related guide from the same publisher.
• Comprehensible input German — a related guide from the same publisher.
• Comprehensible input Italian — a related guide from the same publisher.
• Comprehensible input Portuguese — a related guide from the same publisher.
• Best comprehensible input apps — a related guide from the same publisher.
• What is comprehensible input? — a related guide from the same publisher.
• Comprehensible input for beginners — a related guide from the same publisher.

Official product information

For app facts, use the Jibber Jabber profile and its official sources. For our editorial method, read Methodology. The workbook does not use the related sites as independent evidence that our app is effective.