AnnoReader 4+

English Text Annotation Tool

Hironobu Saito

Designed for iPad

    • Free
    • Offers In-App Purchases



AnnoReader is a reading app for English language learners or readers of other languages.

This tool visualizes English sentence structure, such as nouns, verbs, clauses, and phrases, by adding various annotations to make a text more readable.


1) English text annotation

- Visualize clauses, phrases, and their modifiers
- Show Part-of-speech tags
- Underline compound words

2) Translation

- Show translation on each clause and phrase
- 100+ languages are supported

3) Text to speech

- Convert the text to a natural-sounding voice

4) Multiple input methods are supported

- Keyboard
- Clipboard
- From other apps by iOS sharing function

5) Favorite phrase

Save your favorite phrase, then annotate them again with one tap

6) Dark mode

The dark mode is supported

Term of Service

Privacy Policy

What’s New

Version 3.6.4

- Improved logic for slash reading.
- Changed the SVOC determination logic.

App Privacy

The developer, Hironobu Saito, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

More By This Developer

You Might Also Like