● NotSoSure Fitness · strong, slowly
20 minutes.Breath-first.
Strong, slowly.
A daily, habit-first fitness companion: offline, dark, minimal. It coaches strength, food, recovery and breath through an AI that reads your week, not your insecurities.
We coach four things.
Loudness isn’t one.
Most fitness apps stack a fifth pillar nobody asked for: shame. This one balances strength, food and recovery on a single breath, and stops there.
What it is not
Not a transformation app. No before/after.
Not a calorie-shaming tracker.
Not a gym-mirror selfie culture product.
Not a six-pack-in-30-days promise.
No neon. No club. No “beach body” language.
Strength
Progressive routines that build week by week, backed by a library of 1997 demonstrated exercises, not a wall of intimidating equipment.
Food
Photo scan, barcode, manual: log a meal in seconds, not minutes. Macros read back instantly, no calorie-shaming, no scale theatre.
Recovery
WHOOP-aware Body State reads HRV, resting heart rate and sleep, then corrects it with what you actually ate and drank. Train when ready.
Breath
Twenty minutes, breath-paced. The day opens and closes on a calm reset, the part every other fitness app forgets exists.
An AI that actually knows your week.
“Your AI coach that actually knows your week.”
FitBrain reads 14 days of logs (training, food, water, sleep, weight trend and WHOOP) and returns a diagnosis, a forecast, and the two or three things worth doing today. Everything else in the app exists to feed it richer data.
- Body State, scored 0 to 100 with a tap-to-expand “Why?”
- Reads 14 days of context, never a single bad night
- Every score opens its own factor breakdown, nothing hidden
Scan any meal in seconds.
“Log meals in seconds, not minutes.”
Point the camera at the plate. On-device food recognition returns an instant macro breakdown (protein, carbs, fat, calories) with a barcode fallback and a five-tab picker for everything else. No guilt, no math.
- Photo scan, barcode, or manual entry
- Per-item macros, not a single mystery number
- Five-tab food picker for the long tail
Your whole day, at a glance.
“Calories, protein, weight, streaks, all at a glance.”
Calories, protein and water as honest bars, never a circular gauge. A week grid you can read in a second. And when every target is met, the app does something rare: it tells you that you’re done for the day.
- Linear bars, never a shame-inducing dial
- A readable week grid, not a guilt calendar
- Offline-first, it opens with or without signal
Seven minds, one
quiet coach.
FitBrain is the voice. Underneath it, seven modules read your history and decide what is worth saying, and what is better left unsaid. They run on-device, so the thinking happens in your pocket, offline.
The brain, on-device
~2 GB
model, downloaded on first launch
80-100 MB
app install, before the brain
Inference, on real phones
Runs offline
- FitBrain daily insight
- Recovery scoring
- Exercise recommendations
- Meal logging from text
Calls the cloud
- Food photo scan
- Body photo analysis
- Multi-day trend synthesis
Why Engine
Every score, fully shown.No number arrives without its breakdown. Tap any score to see which factors helped and which held it back, weighted and ranked.
Pattern Detector
Your Friday problem, named.After 28 days it finds the habits that are yours alone, then says them plainly: not “eat better”, but “your Fridays run 700 kcal short, four weeks running.”
Predictive Streak
It sees the cliff before you do.It learns the day your streaks usually break and steps in early, leading with what you have already built, never with a warning.
Cross-Signal Correlator
How your days connect.Lagged correlations across your own signals: when you sleep past 7 hours, the next day's protein tends to follow. Personal, never generic.
Circadian Coach
The right advice for the hour.Morning is a plan, midday is a check, night is rest. Six time windows, and it suppresses “go train” after 9 PM.
Smart Retention
Habit, not addiction.Identity over streaks, completion over guilt. It compares you only to your own history, then closes the loop and lets you leave.
Adaptive Memory
The coach grows with you.Four personality layers earned over months. It explains a concept once, then never repeats itself, and talks less the better you get.
Train when your
body says ready.
Body State reads HRV, resting heart rate and sleep from WHOOP, then does what WHOOP can’t: corrects it with what you actually ate and drank. One honest number, no circular gauge, no red-zone shaming.
Warm, patient, explains the why. “Protein is the building block…”
Encouraging, a little more direct. “Prot is at 1.4 g/kg, aim for 1.6.”
Peer-level. Data-first. The numbers speak; only anomalies get a sentence.
Terse, respectful. “Prot short. Fix.” with the option to expand.
Four personality layers, earned over months. Beginners get the why; veterans get two words and the option to expand. The app talks less the better you get.
A wristband reads your night.
It never saw your day.
Connect a WHOOP and the app reads every signal it offers. Then it adds what no wristband can: the meal, the protein, the water, the sets you actually did, and corrects your readiness with them.
What the wristband sees
6Six signals, from one sensor.
- Heart-rate variability
- Resting heart rate
- Sleep staging
- Blood oxygen
- Skin temperature
- Respiratory rate
What only the log holds
7The lived signals. The difference.
- What you actually ate
- Protein, to the gram
- Hydration, in millilitres
- Every set, rep and effort
- Which muscles you worked
- Body-weight trajectory
- Streak and consistency
How your days
talk to each other.
Computed from your own data, never a textbook. If your numbers do not show a link, the app stays quiet about it.
Enough to grow. Not enough to break.
Acute-to-chronic workload, kept in the 0.8 to 1.3 sweet spot.
Your language. Your journey.
Every official Indian language, plus English: switchable live, right-to-left where it should be. Fitness that speaks the way you think.
23
locales: 22 Indian languages plus English
13
render natively in Flutter, the rest via Noto fonts
3
right-to-left scripts, fully mirrored
620
interface strings, translated and reviewed
The app that tells you
to put it down.
When every target is met, NotSoSure does the rarest thing in the category: it stops asking for your attention. Today is handled. Tomorrow has a hook. You leave feeling respected, not milked.
“No before/after. Just better Tuesdays.”
Tomorrow’s preview
- Weekly report drops at 9 AM
- Pattern insight updating
- Readiness score ready at wake
Current streak
14 days
This month
87%
v1.0.0
in production · Build 247
4
pillars: strength, food, recovery, breath
100%
offline-first by design
0
before/after photos. ever.
1
honest reset, every day
Strong, slowly · v1.0.0 Build 247