Physical Log vs Gut diary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Physical Log
Track key health metrics like weight, sleep, and meals to build healthy habits. Visualize your progress with graphs and set reminders to stay consistent. Supports multiple users and offers data privacy with a lock feature.
- Record weight, fat, height, meals, sports, sleep, stool, temperature, pressure/pulse, and basal metabolism
- Visualize data with interactive graphs
- Secure records with a lock function
- Support for up to 5 users
- Set custom notification reminders
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It's important to confirm your condition in lifestyle. This app gives you a habit to check your condition. There are 4 things to keep a healthy life, we think. Those are "Meal", "Sports", "Sleep", "Stool". If you use this app, you can confirm your weight (ex:fat, pressure, etc) with basic things. We're sure a habit of confirm helps you to keep your good condition. There is hint of your healh in your daily physical log. ■Type of records - Weight - Fat - Tall - Meal - Sports - Sleep - Stool - Temperature - Pressure / Pulse - BM(Basal Metabolism) ■Functions (1) Graph - You can input with watching the graph. (2) Lock - You can hide your record. (3) Change user - You can record until 5 users. (4) Notification - You can set notification time.
Gut diary
Track your daily physical, psychological, and social activities to understand their impact on your gut health. Record bowel habits, diet, sleep, exercise, and even moments of happiness. Sync with health data to identify patterns and contributing factors to abdominal comfort.
- Bowel habit tracking
- Diet logging
- Sleep cycle monitoring
- Exercise recording
- Social activity logging
- Heart rate synchronization
- Abdominal pain and stool shape entry
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The stress or sleeping disturbance are closely associated with the changes in heart rate and result in affecting abdominal comfort, or bowel habits. “Gut diary” will help you lead healthier and happier life by tracking your physical, psychological, and social activities. You can record the daily bowel habits, diet, sleeping cycle, exercise and other social activity details on the app and synchronize with iPhone Health Kit or other wearable devices to obtain the heart rate data. By tracking your total daily activity, you maybe able to discover the certain pattern of abdominal conditions and identify the influence factor. You can also record a “little happiness” you have experienced during the day which can be a positive factor to your bowel activity. You have an easy access to the screen and can record several data at the same time. You can enter the abdominal pain and stool shape easily from Apple Watch. Please note that it is not possible to diagnose or treat someone with this application.
Screenshots
Verdict
The clearest difference is rating: Gut diary at 3.5 against Physical Log's 1.0. Gut diary also leads on in-app purchases (none vs 5) and ads (none vs shown). Physical Log's advantage is review sentiment (25% vs 17%). On price, ratings volume and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Physical Log sells 5 one-off in-app purchases. Gut diary asks for nothing beyond the download.
Gut diary holds the better App Store score, 3.5 against 1.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews complicate that: 25% of Physical Log's written reviews are positive against 17% of Gut diary's, so the app with the better star average is not the one people write more warmly about.
Physical Log ships an update every 12 months, Gut diary every 3 weeks. The most recent releases landed on September 19, 2026 and July 28, 2026 respectively.
| Parameter | Physical Log | Gut diary |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (3 ratings) | 3.5 (2 ratings) — better |
| Positive reviews | 25.0% of reviews — better | 16.7% of reviews |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 12 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Requires iOS | 15.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | be-style | Keietsu Yasuhara |
Customer experience
Physical Log
Gut diary
In-app purchases
Physical Log
- Moon$0.99
- Star$0.99
- Sand clock$0.99
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- Heart$0.99
- Diamond$0.99
Gut diary
No in-app purchases









