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Export subscribers
OneSignal → Audience → Subscriptions → Export. .csv or .csv.gz, up to 100 MB.
OneSignal gets more expensive as your subscribers grow, and your data lives with a third party. PushToAll works with the same tokens and tags; export subscribers as CSV and move them in minutes, no app update required.
The free plan with 1 project is always free; no credit card required. Migration and your first send take minutes.
Without updating your app or losing a single user.
OneSignal → Audience → Subscriptions → Export. .csv or .csv.gz, up to 100 MB.
For iOS, the same APNs .p8 key you gave OneSignal; for Android, a Firebase service account. Takes minutes.
Panel → Settings → Migrate existing devices. Tokens, user IDs and tags arrive as they are; send your first push right away.
No credit card required. Need help? okbsoft@gmail.com.