Smart Posture vs Shellog
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Smart Posture
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Posture Check transforms your AirPods into a personal posture coach, helping you stand taller and walk with confidence throughout your day. Whether you're working at a desk, walking, or just relaxing, poor posture can creep in unnoticed. Posture Check uses the motion sensors in your AirPods to track your body alignment in real-time, gently alerting you when you start to slouch or hunch over. Key Features: Real-Time Posture Correction: Detects when you slouch or look down for too long and reminds you to correct your stance. Stand & Walk Tall: Perfect for improving your posture while sitting, standing, or walking. Background Operation: Works seamlessly in the background while you listen to music or podcasts. Daily Statistics: Visualize your progress and build a streak of good posture days. Exercises: Guided routines to strengthen your back and improve flexibility. Privacy Focused: Your motion data stays on your device and is never shared. Requirements: Requires AirPods models with Spatial Audio support (AirPods Pro, AirPods 3rd Gen and later).
Shellog
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What kind of turtle is your posture? One side photo answers in sixty seconds. THE SIXTY-SECOND TECH NECK TEST No sign-up. You get a posture score and the turtle your posture makes: Phone Navigator, Monitor Explorer, Perfect Balance Master. Keep it as a card and send it to a friend. Spend the day in front of a screen and your neck is the first thing to drift forward. Shellog wakes it up in seven minutes a day. Scute is the turtle your posture makes: every class you finish straightens him a little and lands a plate on his shell. TWO THINGS A DAY A ten-second body check and one short class. Fill both and the day is done; your first activity of the day adds a plate. Seven plates make a week, three fill it, and every day you show up your streak grows. CLASSES COME IN SERIES Tech Neck Reset with Scute and Open Up Rounded Shoulders with Somi, five classes each, seven minutes per class. A pelvis series with Pelvy is on the way. Shellog picks your next class for you. ONCE A WEEK, A POSTURE CHECK-IN Two photos, front and side, in about a minute. You get a score with a one-word read, the change since last time, and a ring for each area: neck, shoulders and pelvis. Scute takes on your posture, and your next series is chosen from it. A POND WITH FRIENDS Your friends' turtles live on your home screen, and a small star shows who showed up today. You see how each other stand, and a tap sends one nudge. A weekly pond ranking counts plates, not scores, and first place wins one thing: a golden lily pad next week. A BODY-CHECK TIMELAPSE One selfie a day from the same angle, and a month becomes a single card. Your selfies stay on your phone. A REMINDER, ONLY IF YOU WANT ONE After your first class of the day, one tap sets a daily reminder. If you used BodyBalancer: posture check-ins continue, and your past measurements stay at bodybalancer.app. Shellog is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. Results are for reference only. Please consult a healthcare professional for medical advice, diagnosis, or treatment.
Screenshots
Verdict
The clearest difference is update cadence: Shellog at every 4 days against Smart Posture's every 2 months. Shellog also leads on iOS requirement (16.4 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Smart Posture ships an update every 2 months, Shellog every 4 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.
| Parameter | Smart Posture | Shellog |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 4 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 18.5 | 16.4 โ better |
| Further details โ not scored | ||
| Size | 13 MB | 69 MB |
| Age rating | 12+ | 12+ |
| Developer | BERAT GOEKBERK CALISKAN | Minseo Ko |
In-app purchases
Smart Posture
No in-app purchases
Shellog
No in-app purchases









