Annual
A calmer daily weight tracker
See the trend.
Keep the ritual gentle.
Log one number each day, understand the longer story, and let a curious sea turtle make the habit a little more enjoyable.
Private by designNo account requiredMade for iPhone
TODAY'S WEIGHT173.6 lb
Saved30 DAY TRENDDown 0.6 lb
Daily check-ins
A clear weight trend
A companion you name
Weight comes first
Your numbers, made easier to understand.
Shell & Scale keeps the main job simple: enter your weight, see where it sits, and follow the direction over time without visual noise.
17 entries
YOUR TREND
Down 0.6 lb
30 days · drag across the line to inspect any reading
7 days30 days90 daysAll
Latest173.6 lb
7-entry avg173.7 lb
175174173
One calm minute
A daily ritual that asks for almost nothing.
There are no streak warnings and no guilt. Skip a day and Shell & Scale simply waits for another.
- 01
Enter today's weight
Use the tactile dial or type it directly. Pounds and kilograms are both welcome.
- 02
See it in context
Compare today with your previous reading and recent average—not an arbitrary judgment.
- 03
Return to the trend
Explore seven days, 30 days, 90 days, or your complete history whenever you choose.
Your quiet companion
Fun in the background.
Your health data up front.
Name your turtle and enjoy expressive reactions, sea-glass check-ins, keepsakes, and changing environments. None of it gets between you and the number you came to track.
- ✦ A turtle with personality—not pressure
- ✦ Gentle rewards for returning
- ✦ Display modes for different comfort levels
Private by design
Your weight history stays on your iPhone.
No account. No advertising. No analytics profile. Export your history whenever you like—or erase it completely from Settings.
Read our privacy policySimple access
Try the complete experience first.
Seven full check-ins are included. After that, choose the plan that feels right and keep every feature.
Lifetime
$34.99
one paymentYours foreverMonthly
$1.99
per monthStay flexiblePrices shown in USD. App Store pricing may vary by region.
Shell & Scale for iPhone
A clearer view, one check-in at a time.
Thoughtful weight tracking with a little more warmth.