No. IronPack works fully offline with no account. A free account adds automatic backup of your entire history and unlocks friends, leaderboards and leagues.
No, and you never will. Packs and cards are earned by training only. Pack odds are shown inside the app under "How packs work".
Settings → Import CSV. Exports from Hevy, Strong and most generic formats are recognised automatically. Imported history counts for your records and charts, but never earns points or packs.
Sign in and everything backs up automatically. You can also export your complete data as JSON or CSV any time from Settings.
Email us with the exercise name or a screenshot and we'll sort it. Custom exercises can also be added in-app from the exercise picker.
If a username is offensive or a leaderboard entry looks abusive, email us with the username. Discovery is opt-in and only mutually accepted friends ever see your activity.