Comparison

Physical Log vs Gut diary

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • Bowel habit tracking
  • Diet logging
  • Sleep cycle monitoring
  • Exercise recording
  • Social activity logging
  • Heart rate synchronization
  • Abdominal pain and stool shape entry
Features
Read full description

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

Physical Log4 screens
Gut diary4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Physical Log sells 5 one-off in-app purchases. Gut diary asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
Physical Log versus Gut diary: the parameters behind the verdict, then further details
ParameterPhysical LogGut diary
PriceFreeFree
Rating1.0 (3 ratings)3.5 (2 ratings) — better
Positive reviews25.0% of reviews — better16.7% of reviews
Number of ratings3 — better2
Update frequencyEvery 12 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPod, Apple Watch
Requires iOS15.610.0 — better
Further details — not scored
Size15 MB53 MB
Age rating4+4+
Developerbe-styleKeietsu Yasuhara

Customer experience

Physical Log

All ratings3 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Gut diary

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews6 reviews
Positive16.7%
Neutral50.0%
Negative33.3%

In-app purchases

5 purchases

Physical Log

One-time5
  • Moon$0.99
  • Star$0.99
  • Sand clock$0.99
Show 2 more
  • Heart$0.99
  • Diamond$0.99
None

Gut diary

No in-app purchases

Questions

Is Physical Log free?
Physical Log is free to download, with in-app purchases available.
Is Gut diary free?
Gut diary is free to download, with no in-app purchases.
Which has better reviews, Physical Log or Gut diary?
Gut diary is rated higher. Physical Log averages 1.0 out of 5 from 3 ratings, while Gut diary averages 3.5 from 2 ratings.
Do Physical Log or Gut diary have ads?
Physical Log shows ads; Gut diary does not.
Which is updated more often, Physical Log or Gut diary?
Physical Log ships an update every 12 months, and Gut diary every 3 weeks. Most recently, Physical Log was updated on September 19, 2026 and Gut diary on July 28, 2026.

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