Self Karte

Self Karte turns your health records into something you can manage with just a fingertip, even during the toughest days of treatment.
Blood tests, symptoms, meals, medications, bowel movements, treatment schedules.
Record everything with as few taps as possible, as accurately as possible.

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【Key Features】

◆ Blood Test Results
For OCR import, review the disclosure and agree before choosing an image or PDF first page. Google Cloud Vision extracts text, and you review and edit every value before saving. Manual entry is always available.
Supports 31 standard test items with automatic unit conversion.
Optional blood-test AI can generate editable date and lab-item candidates from a selected photo. The photo is sent to Google Cloud Vertex AI Gemini only after the disclosure and your affirmative agreement.
Edit or delete results anytime.

◆ Symptom Tracking
Record pain levels with a face scale. Pinpoint the location on a body map.
Helps you communicate the "how bad it really is" to your doctor more accurately.

◆ Medication Management
Track your medication schedule and intake. With reminder notifications.
No more wondering "Did I take that?"

◆ Treatment Schedule
Record chemotherapy courses, hospital admissions, and discharges.
See your entire treatment timeline on a calendar.

◆ Meal Tracking
After selecting a meal photo, review the Google Cloud Vertex AI Gemini disclosure and choose whether to send it. AI generates editable meal and nutrition candidates only after your affirmative agreement.
Great for reviewing your nutritional balance.

◆ Bowel Tracking
Objectively record changes in your condition.
Supports the Bristol Stool Scale.


◆ CSV Export
Export the period available for your plan in CSV format (latest 30 days on Free; all available records on Premium).
Share with your doctor during appointments, making the most of limited consultation time.

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【Subscription Plans】

Free Plan:
Core text records are kept long term while the account remains active. CSV export covers the latest 30 days. 3 AI meal classifications per month.

Premium Plan:
All-period CSV, PDF and longer-range reports, plus expanded AI and media limits.
Prices are shown in the App Store and in the in-app purchase screen.

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【From the Developer —— The Heart Behind This App】

On February 1, 2024, I was diagnosed with acute myeloid leukemia (AML).

The five-year survival rate: 20%.
The ordinary life I had been living shattered in an instant.

My daughter in preschool. My wife by my side.
It was not "I don't want to die" but "I want to live" that surged from the depths of my being.

The hardest part of hospital life was not just the treatment.
It was the daily record-keeping: meals, bowel movements, symptoms that changed by the hour.

My body felt like lead. Some days I did not even have the strength to hold a pencil.
Yet the records could not stop.

Writing with trembling, pain-ridden hands was as lonely as the treatment itself.

In June, my brother was a half-match — and he gave me his bone marrow.
After I was discharged, I began building this app as an engineer.

"I want to create what I desperately wished I had back then."

That was my only driving force.

That is why this app is not designed to be "convenient."

It is designed so that "even trembling fingers in that hospital room could use it."

To you, facing illness right now.
To you, watching over the health of someone you love.

I hope this app can be a small charm on the nights when you have no one else to turn to.
That is my wish.


Shintaro, Developer
Acute myeloid leukemia survivor

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*This app is not a medical device. It cannot be used for diagnosis or treatment purposes.
If you notice any changes in your condition, please consult a healthcare professional immediately.