Support
We're here to help. If you have a question, found a bug, or need assistance with any of our apps, reach out and we'll get back to you.
Get Help
Use our support form to describe your issue — you can attach screenshots to help us understand what's going on.
Open Support Form →Or email us directly at support@luminaryapplabs.com. We aim to respond within 48 hours.
Share Feedback
Have an idea, a suggestion, or something you love about our apps? We build these apps to improve your life, and your feedback is how we get better at it. The more we hear from you, the more we can improve.
Share Your Feedback →Our Apps
Forge — Strength training tracker for iOS, Android, and macOS. Log workouts, track sets and reps with auto-filled weights, monitor personal records, view progress charts, and build custom routines with rest timers. 14-day free trial.
Plunge Tracker — Cold plunge, sauna, and steam room tracker for iOS and Android. Log sessions with duration and optional temperature, track streaks and personal records, and view weekly activity charts and type breakdowns. 7-day free trial.
Tempo — Period and cycle tracker for iOS, Android, and macOS. Log flow, symptoms, and mood daily, get smart cycle predictions that improve over time, view a color-coded calendar, and explore insights on cycle regularity and symptom trends. 30-day free trial.
Lighter — Weight and habits tracker for iOS and Android. Log weight in under 5 seconds, track daily habits and see how they correlate with weight trends, view your journey with a 7-day moving average chart, and receive gentle milestone encouragement. Free tier available; 7-day free trial for premium features.
Frequently Asked Questions
Do your apps require an account or internet access?
No. All of our apps work completely offline without accounts, logins, or internet access. Your data never leaves your device.
What platforms are your apps available on?
Forge and Tempo are available on iOS, Android, and macOS. Plunge Tracker, Lighter, and Resonate Tuner are available on iOS and Android.
How much do your apps cost?
Our paid apps include a free trial so you can try all features before committing. After the trial, plans start from $0.99/month. Lighter also has a permanent free tier with core weight tracking, and Resonate Tuner is completely free — no subscription, no in-app purchases, no ads. See each app's store listing for specific pricing.
What's included in each free trial?
Free trials give you full access to every feature in the app — nothing is held back. Trial lengths vary: Forge has a 14-day trial, Tempo has 30 days (enough for a full cycle), and Plunge Tracker and Lighter each have 7 days. Resonate Tuner has no trial because the entire app is free.
What's free in Lighter vs. what requires a subscription?
Lighter's free tier includes unlimited weight logging and a 30-day trend chart. The subscription unlocks full weight history, habits tracking, habits-to-weight correlations, insights, and data export.
Can I export my data?
Yes. Each app includes a data export feature. Forge exports to CSV and JSON, Tempo exports plain-text cycle summaries, Lighter exports to CSV, and Plunge Tracker supports session history export. You can back up or move your data anytime.
How do I delete my data?
You can delete all data from within each app's settings. Uninstalling the app also removes all data from your device since nothing is stored in the cloud.
Do you collect any analytics or tracking data?
No. Zero analytics, zero telemetry, zero third-party SDKs. We literally cannot see your data because we never collect it. This is a core principle — not a marketing claim.
Can Forge sync with Apple Health or Google Health Connect?
Yes. Forge offers optional, write-only Health sync. It can send your workout data to Apple Health or Google Health Connect, but it never reads from them. This is completely optional and off by default.
How accurate are Tempo's cycle predictions?
Tempo's predictions improve the more data you log. After 2–3 cycles, predictions become noticeably more accurate. The app uses your personal cycle history — no generic averages — so accuracy is tailored to you.
Does Plunge Tracker support different session types?
Yes. You can log cold plunges, sauna sessions, and steam room sessions — all in one app. Each type is tracked separately with its own stats, and you can view breakdowns by type.
What are habits in Lighter?
Habits are daily yes/no activities you track alongside your weight — things like "drank 8 glasses of water" or "went for a walk." Lighter shows you how your habits correlate with your weight trends over time, helping you understand what actually moves the needle.
Can I set reminders?
Tempo supports configurable reminders before your predicted period. Lighter has optional daily reminders to log your weight at a time you choose. All reminders are local notifications — no server involved.
How do I cancel my subscription?
Subscriptions are managed through the App Store (iOS/macOS) or Google Play (Android). Go to your device's subscription settings to cancel anytime. Cancellation takes effect at the end of your current billing period.
I have a feature idea or found a bug. How do I let you know?
We'd love to hear from you! Use our feedback form for feature ideas or support form for bug reports. You can attach screenshots to help us understand. We read every single message.
Is my period data safe with Tempo?
Absolutely. Tempo stores all data locally on your device. There are no accounts, no cloud storage, no analytics, and no third-party SDKs. Your cycle data never leaves your phone. We built Tempo specifically because we believe this kind of personal health data deserves the highest level of privacy.