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From messages you actually sent. Send it a WhatsApp chat export and it picks up your sentence length, your habitual phrases and how you close a message. Voice is on the Pro and Max plans. On any plan you can set the tone yourself in Settings: how formal it is, whether it uses emoji, and what it signs off with.

Every message in a conversation is kept, and on the paid plans what it learns about a customer carries from one conversation to the next: what they asked about, what they bought, how they like to be answered. Each messaging app keeps its own history, so the same person writing to you on Instagram and on WhatsApp is two conversations. Nothing you upload is used to train an AI model, ours or anybody else's.

Account → Delete your account removes your account and your data. You type DELETE MY DATA to confirm and get an email when it is finished. Being straight about the state of it: the deletion is queued and we are still completing the parts of it that reach every one of our own systems, and we will not claim it is instant until it is.

Send it a PDF, a photo of a price list or menu, a WhatsApp chat export, or text you paste in. Those four are what it accepts. It reads them and proposes what it learned for you to approve.

Nothing is added behind your back. Every item a document produces is yours to approve or throw away before a single reply uses it, so a misread price never reaches a customer without passing you first.

Edit the item and the next reply uses the new value. There is no re-upload and no waiting. If you have sent the same document twice, the repeat is skipped rather than duplicated.

Four plans: Free, Basic, Pro and Max. Free is 100 messages counted once, which never reset, and needs no card. Google Play sets the price in your own country and charges in your own currency, so the figure on the Play listing is the one you pay. The pricing page has what each plan adds.

Any time. Upgrading takes effect immediately. Downgrading takes effect at the end of the billing period you have already paid for, so you keep what you paid for until it runs out.

Account → Cancel subscription, or directly in your Google Play account. No call and no retention flow. The subscription runs to the end of the period you have paid for and the account then goes back to Free.

Google Play's own refund window applies, which is 48 hours from purchase, and Account → Request refund takes you to it. For anything outside that window write to support@opergen.com and we will sort it out.

Almost always one of three things, in this order. Notification access has been revoked, which Android does silently after some updates. Your phone has killed the app in the background, which is the phone-specific setup above. Or you have run out of messages for the period, which the app tells you on the home screen.

That is the battery optimiser rather than a crash, on almost every phone that reports it. Work through the section for your make above. If it persists after that, write to us with your phone model and we will look at it.

Android revokes it on some system updates and some manufacturers revoke it when an app has been unused for a few days. The app notices and tells you on the home screen. Re-granting it is Settings → Apps → WhatsAssist → Notifications, and adding the app to your autostart list makes it stick.

It answers in the language the customer wrote in, not the one you set, so a customer writing in English gets English even if your business language is Hindi. If the incoming message is very short, there may not be enough to judge from. You can set a reply language in Account for the cases where it cannot tell.