Ask for her number or stay on the app: when to make the move

App messaging creates friction. You're both checking a dating app to keep a conversation going instead of texting like normal people do. That friction is fine for the first few exchanges. It becomes a problem after 5-10 good back-and-forths where she's matching your energy and asking follow-up questions.

If she's replying within an hour, writing full responses, and keeping the thread active, she's signalling she's interested. What she's not signalling yet is whether she trusts you enough to give out her number. That's not a rejection. It just means you need to ask.

Your job is to name a reason to move to text. Not a big romantic reason. A practical one. You want to make plans and text is easier. You found something to show her and text is faster. You have a joke to send that's too long for the app. The reason doesn't matter. What matters is that she understands you're not asking for her number as a test of her interest. You're asking because the conversation has real momentum.

Second, you give her space to say no without shame. Suggest it lightly. Don't build it up. Something like 'easier to text about this' or 'let's move to text' with your number right there. She either shares hers or she doesn't.

Before you ask, she needs to reply to at least 3 of your messages back-to-back without huge delays. This isn't a rule carved in stone. It's just the baseline where you know she's actually paying attention instead of keeping you as a backup option.

If she goes dark for half a day or more, that's a sign to wait. If her replies start getting shorter, that's a sign to wait. Once you ask and she doesn't respond, give it 24-48 hours then move on. Don't follow up asking why she didn't reply or sending another message. That reads as needy. If she was interested, she'll circle back.