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In version 5.3, open Settings and choose Adventure under Classic or Adventure. Classic remains the default. You can switch back without resetting progress, XP or purchases.

Yes. The same one-time purchase includes all four tracks and future content updates. There is no separate RHCSA or Adventure purchase.

Sign in to the App Store with the Apple Account used for the purchase. Open Settings or the unlock screen and choose Restore previous purchase. Restoration uses Apple and may need an internet connection. Contact support if access remains locked; do not buy again just to troubleshoot.

Use the backup export in Settings and save the file somewhere you control. On the destination device, import it, inspect the preview and confirm replacement. This replaces learning data rather than merging it. A recovery copy protects the previous state. Purchases are restored through Apple, not imported from a backup.

Independent practitioner review is still pending. The simulations declare their supported behaviour and limitations. Completion records practice and must not be treated as verified real-system competence or certification readiness.

Each exercise supports a bounded command subset. Unsupported commands receive a simulator-limitation message without a learning penalty. Use the real-machine guide to practise beyond the model, or report the command with the lab ID and revision.

A lab variant awards up to its earned tier: guided participation or independent completion. Moving to a higher tier pays the difference. Replaying or resubmitting the same variant does not award the same XP again. Documentation is allowed; solution hints and retries affect independent evidence.

The Classic weekly workout system builds warmup, review, focus and challenge practice from local progress. Micro, Standard and Deep normally use five, ten and fifteen drills; Beginner sessions stay short and guided.

Apple handles App Store purchases and refunds. Visit reportaproblem.apple.com using the purchasing Apple Account. The developer cannot issue an App Store refund directly.

Apple’s refund service ↗

Use the app’s Report a content issue action where available, or email support. Include the app version, platform, the screen or action, and the content ID/revision if relevant. Share a diagnostic export only if you choose to; remove any personal notes you do not want to send.