Onaka Log vs Gut Health & Poop Tracker
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Onaka Log
This app helps individuals manage IBS and daily stomach discomfort by logging meals, bowel movements, and symptoms. It offers a FODMAP dictionary for Japanese ingredients and tools to review patterns and share data with doctors. Includes breathing exercises for immediate relief.
- 10-second logging of bowel movements, meals, and symptoms
- Bristol Stool Scale integration
- FODMAP dictionary for Japanese ingredients
- Trend review and PDF report generation
- Behavioral experiment tracking
- SOS breathing exercises
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Onaka Log is a self-care app for managing IBS and gut issues (pain, diarrhea, constipation, gas, bloating). Track bowel movements, meals, water, and condition in 10s to find patterns. [Version 2.0 Major Update] - Completely removed ads on saving. Free, 100% ad-free daily tracking. - New "AI Analysis (Beta)" gently reviews your past 30 days of data. - Added log search, medication-gut analysis, and user-requested tools. [Key Features] โ 10-Second Logging - Bristol Scale tracking with support for multiple stool types in one log. - Meal logging with automatic FODMAP tag matching. - Real-time hydration presets that auto-sum your daily intake. - Fast inputs for pain (5 levels), bloating, stress, and sleep. - Favorite meds for 1-tap logging; choose standard symptoms to add to Home. - Photo attachments for stool and meal logs (Plus). โ AI Analysis (Beta) - AI summarizes 30-day trends and subtle triggers. - 3 free uses on free sign-up. Unlimited with Onaka Log Plus. - Review data before sending; only 30-day logs go to the cloud. - Copy data in chat-ready format for external AI tools. โ FODMAP Guide - Japan-focused food database (natto, miso, udon, etc.). - Easily spot low-FODMAP options to remove meal guesswork. โ Trends & Log Search - View meal/stress vs symptom correlations as reference. - "Meds & Gut" compares symptoms before and after medication. - Search by keyword, date, or category. - Export 1-week PDF summaries to share with doctors. โ Self-Care Exercises - 3-Min Gut Awareness Sheet: Self-check habits (not a diagnosis). - Behavioral Experiment Log: Test rigid assumptions step-by-step. - SOS Breathing: 4-4-4-4 box breathing for sudden flare-ups. - Audio-guided Autogenic Training for relaxation. โ Privacy-First - Data stored locally on device. No login needed for daily logs. - Zero ads. Health data is never used or shared for advertising. [Recommended For] - People managing persistent gut discomfort or IBS. - Those anxious about sudden pain during commutes or meetings. - Anyone tracking food triggers, alternating bowel habits, or meds. - Those preparing symptom summaries for doctor appointments. [Important Notices] - References are available under Settings > References & Sources. - Not a medical device. Does not diagnose, treat, or prescribe. - Displayed data is for reference only. For severe symptoms (bloody stool, high fever, rapid weight loss), consult a doctor immediately. - Free tier requires an internet connection to save logs. Offline saving is available with Plus. [Support & Subscription] Support: In-app support page. Onaka Log Plus is an optional auto-renewing monthly subscription (unlimited AI analysis, photo attachments, offline saving). Managed via Apple ID / App Store settings. Terms: https://onaka-log.electoria.jp/terms/ Privacy: https://onaka-log.electoria.jp/privacy/
Gut Health & Poop Tracker
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This is a simple and easy-to-use bowel management app that allows you to easily record and track your daily bowel movements and physical condition. Designed for those who suffer from stomach discomfort, constipation, or diarrhea, it provides comprehensive support from recording bowel movements to reviewing lifestyle habits. Furthermore, it features a barometric pressure forecast function, allowing you to check how weather changes affect your stomach and overall health. Please use it as a tool to visualize your gastrointestinal health and aim for a better gut environment. [ Main Features ] * Bowel Movement Log You can record details such as stool shape (based on the 7-type Bristol Stool Scale), color, amount, and symptoms like a feeling of incomplete evacuation or abdominal pain. * Barometric Pressure Forecast Graph and Alerts You can view fluctuations in barometric pressure for your current location on a graph. The app alerts you in advance of significant pressure changes, helping you prepare for weather-related health issues. * Diet and Hydration Log Record your daily dietary intake (such as spicy foods, greasy foods, or alcohol) and hydration levels to review their impact on your gut environment. * Physical Condition and Lifestyle Log Manage your stress levels, sleep quality, physical activity, and systemic symptoms like fever or fatigue, alongside changes in hormonal balance such as menstruation and PMS. * Medication Log Record the history of your regular and as-needed medications to see how they affect your physical condition and bowel movements. * Calendar Function and Analysis Display your recorded data in a calendar format to visually understand and analyze past trends and changes in your health. [ Recommended for ] * People who regularly suffer from constipation, diarrhea, or bloating. * People whose stomach condition or overall health is easily affected by changes in barometric pressure and weather. * People who want to objectively record and track their bowel movements. * People who want to understand the relationship between their stomach condition and lifestyle habits such as diet, stress, and sleep. * People who want to know the connection between their menstrual cycle, hormonal balance, and bowel rhythm. [ Important Notice ] This app is intended for health management purposes and is not a substitute for medical practice, diagnosis, or treatment by a doctor. If you experience severe symptoms or ongoing health issues, please be sure to consult a specialized medical institution and follow the instructions of a physician. --- Terms of Use https://www.knecht.co/guidelines/terms-of-service Privacy Policy https://www.knecht.co/guidelines/privacy-policy
Screenshots
Verdict
The clearest difference is update cadence: Onaka Log at weekly against Gut Health & Poop Tracker's every 5 weeks. 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. Onaka Log sells 1 in-app purchase, starting at $2.99 per month and Gut Health & Poop Tracker sells 4 in-app purchases, starting at $3.69 per month. Whichever you choose, the download price is not the number that matters.
Onaka Log ships an update weekly, Gut Health & Poop Tracker every 5 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.
| Parameter | Onaka Log | Gut Health & Poop Tracker |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | โ |
| Update frequency | Weekly โ better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | โ |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.6 โ better |
| Further details โ not scored | ||
| Size | 122 MB | 95 MB |
| Age rating | 12+ | 17+ |
| Developer | Electoria.Inc | Knecht, Inc. |
In-app purchases
Onaka Log
- ใใชใใญใฐ Plus7 Days trial$2.991 Month
Gut Health & Poop Tracker
- Premium (Monthly)$3.691 Month
- Premium (Monthly)$5.391 Month
- Premium (Annual)$25.901 Year
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- Premium (Annual)$37.901 Year




