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one sentence

One Sentence at a Time — Support

Support for One Sentence at a Time, an app for practising English sentence production.

One Sentence at a Time is in development and not yet available. What follows describes it as it stands and may change.

Requirements

Device
iPhone
Operating system
iOS 18.0 or later
Sentences
929 sentences (CEFR A1–B1)
Availability
In development

Features

In the app

  • Switching direction: Japanese to English for production, English to Japanese for listening
  • Study mode and test mode
  • A cumulative syllabus of 95 grammar points, one added at a time
  • A review cycle every ten sentences
  • A tap-to-look-up dictionary of 1,230 words with part of speech, phonetic transcription, translation and examples
  • A searchable word list and a table of phonetic symbols
  • Read-aloud using the device's speech synthesis

Full unlock (a one-time in-app purchase)

  • Access to every sentence

A one-time purchase, not a subscription. It applies to devices signed in to the same Apple Account and can be restored with “Restore Purchases”.

How your data is handled

The app collects no information that identifies you, and there is no account to create.

Your study record is stored only on the device. Nothing is sent to our servers.

No third-party advertising or analytics SDK is included. Read-aloud uses the device's own speech synthesis, so no network request is made for audio.

Privacy policy

Frequently asked questions

When will it be available?
There is no date yet. If you would like to take part in testing, write to us through the contact form.
Where do the sentences come from?
They were all written for this app. Nothing is transcribed or translated from commercial materials. The set is designed to cover the grammar points and the thousand most frequent words.
The audio doesn't play.
The app uses the device's speech synthesis. Check that an English voice is installed under Settings → Accessibility → Spoken Content, and check the silent switch and volume.
How do I request a refund?
Payment and refunds for in-app purchases are handled by Apple. Please request them at reportaproblem.apple.com.

Reporting a problem

When reporting a problem, please include the app version, your iPhone model and iOS version, the steps to reproduce, and what you expected versus what happened. The form asks for these in turn.

Go to the contact form