★★★★★ Your smartphone becomes your own posture trainer! ★★★★★

Have you ever found yourself rounding your back as if you were being sucked into your PC monitor?

You might be relaxing on the sofa, but before you know it, your neck has turned into a "smartphone neck" with your neck sticking out?

"I want to improve my posture"

Even if you try to straighten your back with that thought, you forget about it after five minutes... Everyone has had that experience, right? It's really difficult to keep it in mind on your own.

This "Posture Checker" is your new companion!

This is not just an app. It's a smart and reliable "personal trainer" that will gently accompany you every day and keep an eye on your posture from your pocket.

There is no forced correction or difficult training. The app gently tells you the moment your posture is out of whack, "Oops, should I move it back a little?" By repeating this small "awareness," your body will unconsciously become accustomed to the correct posture.

No need for tedious user registration or complex graph analysis. Just put it in your pocket and press the button.
Why not make a dignified and beautiful posture your new "habit" while having fun like a game?

▼ What's great about this app! Main features ▼

👍 [Super simple operation, start immediately]
No complicated initial setup or user registration is required. Once you start the app, just stand in the posture you think is "ideal!" and tap the "Start" button on the screen. The app will remember your posture at that moment and start personal training immediately. Even if you are not good with machines, you can start using it intuitively without the need for instructions.

📏 [Real-time measurement & visual feedback]
Using the high-precision sensor built into your smartphone, it measures the "front and back tilt" of your body in real time. The screen always clearly displays "how many degrees you are leaning from the reference point now". If you lean more than the set angle, the number will suddenly turn red! You can visually notice "Oh, now!" right away, so you can enjoy it like a game.

🚨 [Selectable alerts to fit your lifestyle]
There are two ways to be notified when your posture is out of whack: sound and vibration. You can freely change the settings to suit your lifestyle and location, such as "vibration only" in a quiet office or library, or "both sound and vibration" at home where you don't have to worry about others. It will never disturb your concentration.

🎧 [3 unique sounds to choose from depending on your mood]
If you hear the same sound every day, you may gradually get used to it and it may become difficult to notice. To prevent such monotony, we have prepared 3 types of warning sounds. From simple electronic sounds to slightly unique sounds that will make you react involuntarily. By switching according to your mood, you can keep your awareness of improving your posture fresh.

⚙️ [Customize it to your own personal trainer]
The angle of inclination (sensitivity) at which the warning is issued can be freely adjusted in 1° increments using the slider on the settings screen. You can freely customize the sensitivity to suit your level and physical condition of the day, such as "I'll set it a little more lenient for the first week to get used to it" or "I've gotten used to it, so I want you to check it more strictly like a professional trainer."

🔒 [Peace of mind with thorough privacy protection]
Your posture data is important information that only you own. This app is based on the idea of ​​"local first," and sensor data and various setting information will never be sent from your smartphone to an external server. No personal information will be collected, so you can use it every day with peace of mind.

▼ Only 3 steps! Easy usage guide ▼

Your posture improvement training starts as easily as starting a game!

STEP 1: First, prepare with your ideal posture!

Take a deep breath. Imagine that the top of your head is hanging smoothly into the sky with a single golden thread, and stretch your back comfortably. This is your "ideal posture."

STEP 2: Put your smartphone in your pocket!
Place your smartphone in a place where it can easily detect your body's tilt. The chest pocket of a shirt is the most sensitive place. You can also use the inner pocket of a jacket or the front pocket of pants that fit your body.

STEP 3: Tap the "Start" button!

When you're ready, tap the round "Start" button in the center of the screen!

A short vibration is the signal to start the measurement.

This one tap is the first step to your new habit. The app has firmly memorized your ideal posture.

All you have to do is do desk work, read a book, or spend your time as usual.

If your posture unconsciously tilts more than the angle you set...

"Brrr! Brr!"

"Beep♪"

That's a gentle sign from your buddy in your pocket saying, "Oops, should I move back a little?"

When you notice that signal, stick your chest out and return to your original posture. By repeating this, your brain and body will work together and you will unconsciously acquire good posture.

▼ We recommend this to the following people! ▼

✅ For those who do desk work or study

... For those who tend to forget about posture when concentrating.

✅ For those who tend to use their smartphones for long periods of time

... For those who have started to worry about the terms "smartphone neck" and "straight neck".

✅ For those who are concerned about their posture because they work standing up

... For those who feel that their back is rounded due to fatigue at the end of the day.

✅ For those who want to achieve a beautiful standing posture

... For those who want to give a confident impression during presentations, interviews, and important days.

✅ For those who want to start a casual but sure health habit

... For those who can't keep up with the gym or rigorous training, but want to start something good for themselves.

▼ Message from the developer ▼

"I try to maintain good posture, but after five minutes I completely forget, and before I know it, I'm back to my usual hunched posture..."

This "Posture Checker" was born from my own concerns.

No special health equipment, expensive devices, or difficult operations are required. All you need is a smartphone that you always have in your pocket.

We hope that this app will be like a close friend that will gently accompany you in your daily life, encouraging you at times and watching over you at other times.

It's the best investment you can make in yourself for the future.

It's free to download. Why not start a new you with "Posture Checker" today?

※Notes※

This app measures posture only while the app screen is displayed. Measurement will stop if you put your smartphone to sleep or switch to another app.

The detection sensitivity may vary depending on the accuracy of the smartphone's sensor, the position of your pockets, and the material of your clothes. Try adjusting it to suit your own environment on the settings screen.

This app is intended to support the creation of healthy habits and is not a medical device. If you have any pain in your body, please consult a medical professional.