# Onaka Log — IBS self-care with FODMAP

> IBS self-care app for logging symptoms, meals, and managing FODMAP diet. (iPhone/iPad app by Electoria.Inc.)

- Source: https://appshunter.io/ios/app/onaka-log/id6762241517 (this page in markdown: same URL + `.md`)
- Developer: [Electoria.Inc](https://appshunter.io/developer/1586307131)
- Category: Medical, Health & Fitness
- Price: Free with in-app purchases
- Age rating: 12+
- Requires: iOS 17.0 · 72 MB
- Languages: Japanese
- Released: 2026-04-22
- Data updated: 2026-09-10
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/onaka-log/id6762241517/reviews.md

## What is Onaka Log?

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]

■ 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; custom symptom tracking.
- Photo attachments for stool and meal logs (Plus).

■ 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.

■ FODMAP Guide
- Japan-focused food database (natto, miso, udon, etc.).
- Easily spot low-FODMAP options to remove meal guesswork.

■ 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.

■ 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.

■ 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/

## Key features

- 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

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| おなかログ Plus | $2.99 | per month |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/onaka-log/id6762241517/reviews.md

### 1/5 — 詐欺か何か？

*2026-06-11*

入力したデータを、広告を見ないと保存できない。広告がすぐ済むならと初めてタップした瞬間に「あなたのスマホはハッキングされました」と出てきました。
広告を見ないと保存できないと出てきて、そのボタンをクリックすると「ハッキング」……
この広告がおなかログの推奨するものでなくても、そんな広告へ誘導した挙句、そういった画面を表示するような業者と提携している、或いは、そういった広告が出ないようなセキュリティー対策をしていない、ユーザーの安全を軽視していると感じました。

**Developer response:** レビューにて貴重なご意見をいただき、誠にありがとうございます。
不安を感じる広告が表示され、ご心配とご不快な思いをさせてしまいましたことをお詫び申し上げます。

当アプリでは、Googleの広告サービスを利用して広告を表示しております。表示される広告内容をアプリ側で個別に指定しているものではございませんが、ユーザー様に不安を与えるような広告が表示されたことは大変重く受け止めております。

今後、広告の設定の見直しを進め、安心してご利用いただけるよう改善に努めてまいります。

なお、広告表示によって端末がハッキングされたり、入力データが外部に送信されたりするものではございませんので、その点はご安心ください。

この度は貴重なご意見をいただき、誠にありがとうございました。

### 1/5 — 広告が沢山出るかと思います。

*2026-05-18*

食べた記録しようと保存ボタン押した瞬間広告。即削除

**Developer response:** レビューにて貴重なご意見をいただき、誠にありがとうございます。
せっかく食事の記録を残そうとしてくださったにもかかわらず、ご不快な思いをさせてしまいましたことをお詫び申し上げます。
広告の表示タイミングや頻度につきましては、今後の改善課題として受け止め、より快適にご利用いただけるよう見直しを進めてまいります。
もしまた機会がございましたら、改善されたアプリをお試しいただけますと幸いです。
この度は貴重なご意見をいただき、誠にありがとうございました。

## Frequently asked questions about Onaka Log

### What is Onaka Log?

Onaka Log is a self-care application designed to help users manage Irritable Bowel Syndrome (IBS) and daily stomach discomfort. It allows for quick logging of symptoms, meals, and other relevant data to help identify patterns and triggers.

### How does Onaka Log help with the FODMAP diet?

Onaka Log features a FODMAP dictionary specifically tailored for Japanese ingredients, including common foods like natto and miso. This assists users in understanding which foods are safe to eat, supporting their adherence to a low-FODMAP diet.

### Can I share my data with my doctor using Onaka Log?

Yes, Onaka Log allows you to compile a week's worth of records into a PDF report. This feature is designed to help you clearly explain your symptoms and patterns to your doctor during consultations, addressing the common issue of not being able to articulate well.

### Does Onaka Log have ads?

The free plan for Onaka Log requires an internet connection for saving records, and ads are shown at most once every 3 hours before records can be saved. The premium subscription, 'おなかログ Plus', likely removes these ad-related interruptions.

### What are the privacy features of Onaka Log?

Onaka Log prioritizes user privacy by primarily saving records locally on your device. You can use the app without account registration, and your health records are not shared for advertising purposes.

### What is the 'SOS Breathing' feature in Onaka Log?

The SOS Breathing feature in Onaka Log provides guided box breathing exercises (4-4-4-4) for immediate relief from sudden stomach pain or stress. It's a self-care tool to help users regain their calm in stressful situations.

### What is the pricing for Onaka Log's premium features?

Onaka Log offers a premium subscription called 'おなかログ Plus' for $2.99 per month, with a 7-day free trial. This subscription likely unlocks additional features or removes limitations present in the free version.

### On which devices can I use Onaka Log?

Onaka Log is currently supported on iPhone and iPad devices. The app is rated for ages 12 and up.

## Version history (last 5 releases)

### 2.0.1 — 2026-09-03

- Redesigned the "AI Review" screen for better readability — added your remaining usage count and guidance from the mascot
- Improved the AI Review card in the Analysis tab so you can see its current status at a glance (such as how many more days of records you need to get started)
- Other bug fixes and usability improvements

If you have feedback or run into any issues, please reach out via our support page.

### 2.0.0 — 2026-08-31

Onaka Log has been updated to Version 2.0!

We completely rebuilt the app from the ground up with a fresh new design and smoother user experience. Your existing data will automatically transfer the first time you launch the updated app.

[No More Ads]
- Completely removed all ads when saving logs. Enjoy fast, uninterrupted saving.
- Daily tracking remains 100% free and ad-free.

[User-Requested Improvements]
- Multiple Stool Types: Record mixed stool consistencies alongside your primary stool type in a single entry.
- Meds & Gut Correlation: Added a dedicated tool to compare abdominal pain and stool changes before and after taking medication.
- Past Log Search: Search your history by keyword, date range, or category (Bowel, Meals, Gut, Condition, Water/Meds, Diary).
- Real-Time Hydration: Log drinks as you go with automatic daily total calculation.

[New Features]
- AI Analysis (Beta): Generates gentle summaries and trends based on your last 30 days of data.
- Account Registration & Login: Create an account using your email. Daily logging is still available without creating an account.

[Other Updates]
- Delete all records for a specific day directly from the batch entry screen.
- Expanded FODMAP guide descriptions.
- Minor performance improvements and bug fixes.

### 1.2.2 — 2026-07-18

【Your feedback, reflected】
・Added "Didn't eat" and "Same as yesterday" options to meal logs
　Skipped meals can now be recorded too, making the analysis of meals and symptoms more accurate
　Choose "Same as yesterday" to log the previous day's meal in one tap
・Breakfast, lunch, and dinner are now each kept as a single entry
　If you log the same mealtime again, you'll be asked to confirm before overwriting (you can also save it as a separate entry)

【Other updates】
・"No bowel movement today" can now be selected from the edit screen as well
・"Didn't eat" and "Same as yesterday" are also available in batch entry
・Old photos are now cleaned up when you rewrite a meal log

・Plus minor improvements and bug fixes

### 1.2.1 — 2026-07-14

We've Updated Based on Your Feedback
・Improved Diet & Symptom Analysis
  By comparing days you ate a food versus days you didn't, the app now prevents frequently eaten foods from being incorrectly flagged as triggers. Frequently consumed items are now neatly categorized under "Frequent Foods."
・"No Bowel Movement Today" Tracking
  You can now explicitly log days with no bowel movements, making it easy to distinguish between a missed log and an actual no-symptom day.

Other Updates
・Daily Notes: Past notes can now be edited or deleted directly from the Analysis tab timeline.
・Analysis Accuracy: The "Accuracy" indicator has been updated to match the new comparison method.
・Minor improvements and bug fixes.

### 1.2.0 — 2026-07-07

Analysis tab redesigned!

View insights from your records in detail from summary cards
New analysis: meals & pain, bowel patterns, pain trends, and lifestyle connections
Track pain, stress, and bowel movements over time in record charts
Preview upcoming analyses even when you have fewer days of records
Streak messages on Home are now part of the greeting card
Edit medication entries on the timeline
Other

Improved Home checklist display
Bug fixes and usability improvements

## More apps by Electoria.Inc

- [Flow Deck](https://appshunter.io/ios/app/flow-deck/id6738555974)

All apps by Electoria.Inc: https://appshunter.io/developer/1586307131

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-10.*