OwnVape — Questions & answers

Yes. All features are free, with no subscription or advertisements. Optional one-time tips support development and do not unlock anything.

There is no OwnVape account. The calculator, library, recipes and history work offline. Optional iCloud sync requires an Apple Account signed into iCloud and an internet connection. App Store purchases also require Apple services.

Ratios are always shown as PG first, VG second. Each base and nicotine source has its own ratio. The final mix is calculated from the ingredients you actually use; the app does not force every source to match a single final ratio.

Yes. Add the sources to the relevant recipe section. With several sources, their shares must total 100% within that group. These shares split the base or nicotine portion, rather than the whole bottle. A single-source group has no share control because its share is already 100%.

Yes. Leave the base section empty. Nicotine liquid then fills the volume left after flavourings and additives, and OwnVape shows the calculated final nicotine strength. A target strength can be adjusted when a base liquid is included.

The selected nicotine sources and the space remaining after other ingredients cannot reach that target. The nicotine section shows the maximum possible strength. Lower the target or change the ingredients, and check their entered strengths and percentages.

Open the calculator from Recipes and select Shortfill. Enter the bottle capacity, starting liquid volume and nicotine-liquid details, then select the mixing goal. Check the resulting quantities and available space before preparing the batch. You can keep a shortfill draft without changing saved recipes.

Use the slider in 10 ml steps or a quick-choice capsule. A new recipe starts with the bottle size from the last recipe you saved. Existing recipes and unfinished drafts keep their own sizes.

Yes. A flavouring can have a recommended mixing ratio and steeping time. These provide starting values in the recipe; you can change the recipe values without changing the library liquid.

No. Bottle size and price in the library are optional reminders. Cost estimates depend on the purchase information you enter and may be incomplete if some ingredients have no price or bottle size.

Recording a batch creates a history snapshot with the selected date, recipe and quantities. Later recipe edits do not rewrite that snapshot. Save recipe edits separately when you want them in your recipe library.

No. They are based on recorded preparation and batches marked finished, not individual refills. Stockpiling, parallel bottles and missing history can affect the figures. Treat them as history-based indicators, not a direct measurement of daily consumption.

Open Settings and enable iCloud sync. OwnVape makes a local safety copy and combines saved data with the private library for your Apple Account. Saved liquids, recipes, batches, library order and recipe defaults sync. Calculator, recipe-editing and shortfill drafts stay on the device.

Check that both devices use the same Apple Account, iCloud sync is enabled in OwnVape, and an internet connection and iCloud storage are available. Open Settings, check the sync status and use Sync now. Do not delete the app to troubleshoot before exporting a backup.

OwnVape combines changes where possible. Conflicting versions that cannot be combined are retained as separate copies. Review conflict copies in the relevant list rather than deleting either device’s library.

Use Export backup in Settings to save a JSON file somewhere you control. It includes saved data and unfinished drafts. Restore backup validates the file; with sync enabled you choose whether to merge with or replace the shared library. Replacement affects other synced devices. Keep an independent backup before major changes.

Remove saved items from Library, Recipes or History. With sync enabled, deletions are sent to your other devices. Turning sync off does not erase cloud data, and deleting the app is not the same as deleting its iCloud data. For full removal also manage OwnVape data in Apple’s iCloud storage settings, delete local app data on your devices, and remove exported backups or shared copies you no longer need.

Only if you enable reminders and allow notifications. Active batches with a positive steeping time can receive a local reminder at the configured time. No reminder is scheduled for a zero steeping time or an already finished batch. Delivery also depends on your device’s notification settings.

Apple handles payment. If a tip is pending, wait for approval and avoid repeating it unintentionally. For billing or refund requests, use Apple’s purchase support. For an OwnVape error, email the developer with the error message and app version; never send payment-card information.