The gastroparesis diaryYou can keep up withon a bad day

Log meals, symptoms and medications in a couple of taps, with no typing. GastroLog lines up your last two weeks on one screen, so you and your specialist can see what's really going on.

Free to log · Private · iPhone & Android

“I feel so cared for.”· NotNicolasCage, App Store

GastroLog's Today screen with weight, a rough-patch shortcut, an upcoming appointment, Ask my GI, bowel tracking, repeat meals and the day's timeline.
What two weeks looks like

Every signal, lined up on the same days.

GastroLog's day-by-day dashboard with symptoms, weight, sleep, energy, fluids, medications, meals and bowel movements lined up across two weeks.

Symptoms, weight, sleep, energy, fluids, meds, meals and bowel movements. Two weeks share the same timeline, so you can see what changed before a rough day.

The hard part

On a bad day, writing it all down is the last thing you can manage.

Gastroparesis doesn't keep office hours. The nausea, the fullness after three bites, the days a safe meal turns on you anyway. By the time your next GI appointment comes around it has all blurred together, and "it's been rough" is the best you can hand them. GastroLog holds the detail in the moment, so the record is there when you need to explain what your weeks actually look like.

What you get out of it

The detail you've been trying to hold in your head.

Recordwhat you actually managed

Choose the meal size, texture and how much you got through: a few bites, about half, the usual or more than usual. Your repeat meals stay on Today for the days when even filling out a form is too much.

GastroLog's meal form with choices for meal size, how much was eaten, texture and foods.
Meal size, amount eaten and texture

Catchthe foods that trigger you

Every food builds its own record: how often you eat it, and how often symptoms followed within your window. Mark each one safe, trial or trigger. The app counts; the call stays yours.

GastroLog's Foods list filtered to Safe foods, with each food's texture, meal count, and a filled or hollow dot showing how often symptoms followed.
Your food list

Tag itto last night's dinner

Tap the symptom, set it on the five-dot scale, done — the severity levels use the wording of the GCSI, the symptom questionnaire GI clinics already use, so your record reads in your specialist's language. And when this morning's nausea came from last night's dinner, tag the meal. The picker reaches back through the night.

GastroLog's symptom sheet with symptom choices, a five-dot severity scale, the time, and links to the current meal or last night's dinner.
Log how you feel

Walk inwith the whole picture

Export a clean PDF of your meals, symptoms, meds and trends over your chosen range. It turns "it's been rough lately" into a record your GI specialist can read and act on.

GastroLog's Export screen previewing symptoms, weight, rough patches and bowel history, with a Share PDF button.
Export · GastroLog Plus
The report for your appointment

See what your specialist gets.

This is the three-page PDF GastroLog builds from example entries. It gives your care team the summary first, with the detail behind it.

Download the sample GI report (PDF)
  • How often each symptom was logged
  • How long after eating symptoms appeared
  • Bowel movements, weight, flares and medicines
  • Your saved questions for the appointment
  • Meals, fluids and what followed each food
Page one of a sample GastroLog report, showing symptom frequency and bars for how long after eating symptoms were logged.
1 · Symptoms and meal-to-symptom timing
Page two of a sample GastroLog report, showing bowel movements, weight and flares, medicines, and questions to ask.
2 · Bowel, weight, medicines and questions
Page three of a sample GastroLog report, showing meals, fluids, and a table of foods with the symptoms logged after them.
3 · Meals, fluids and what followed

Example data only. This is not a real patient record.

A real GastroLog Today screen crop showing the Ask shortcut, meal and symptom buttons, and the Bowel entry row.
Captured once, useful twice

Log a bowel movement from Today. See it in the report.

The Bowel row is on the same screen as meals and symptoms. You can record a movement, or mark that there was no movement that day. The PDF then shows the count, the days covered and the longest recorded gap.

Bowel movements

Log a movement in one tap. Type and colour are optional, and “no movement today” stays distinct from a day you forgot to record.

Procedures and follow-ups

Record a Botox treatment, dilation or stimulator procedure, then set the review date you were given. GastroLog reminds you when it is due.

Questions for your GI

Catch a question when it occurs. It waits with your appointment instead of disappearing before you see your specialist.

Meds from the lock screen

Set reminders and mark a dose taken straight from the notification, without opening the app.

The rest of the picture

Weight, fluids, sleep and energy, lined up on the same days as your meals and symptoms.

Works offline

The diary lives on your phone. Waiting rooms and flights don't interrupt it.

Who it's for

For people who need meals and gut symptoms on the same timeline.

GastroLog is built for the long stretch of recording that comes with gastroparesis, IBS, a low FODMAP elimination or reintroduction, reflux, chronic nausea and recovery after gut surgery.

GastroparesisIBSLow FODMAPPost-surgicalRefluxChronic nauseaBloating
Get more out of it

What's worth tracking when you have gastroparesis

The right details turn a diary into something your specialist can act on. Four carry most of the weight:

01

Portion size and fat content

Large, fatty or high-fibre meals empty slowest — NIDDK's dietary guidance is smaller meals, low fat, low fibre. How much and how rich matters more than the exact dish. NIDDK

02

When symptoms hit, and how hard

Nausea, fullness and vomiting on the same five-point scale each time, so a bad week is comparable to a good one. The five levels carry the wording of the GCSI, the validated symptom instrument. PubMed

03

Medication and timing

Prokinetics are timed to meals — metoclopramide is taken 30 minutes before eating — so whether a dose actually happened matters when you read a bad week back. MedlinePlus

04

Weight and fluids

Gastroparesis carries a real risk of malnutrition and dehydration. Watching the trend catches trouble early. NIDDK

GastroLog records all four in a few taps a day. That's the difference between a diary you keep and one you drop by Friday. Read how to keep a food and symptom diary, including what to record and what to take to your appointment.

Why this exists

I built GastroLog after years of gut trouble I could never explain. A bad day would arrive with no cause I could point to — something I ate? the night before? — and by the next appointment it had all blurred together. This is the record I wished I'd had: meals and symptoms on one timeline, so the connections stop being guesswork.

— Ashley, who makes GastroLog

From the reviews

People are using it—and asking us to keep improving it.

5.0 on the App Store from 4 ratings, plus 2 five-star reviews on Google Play. Verified 28 August 2026.

Tracking Made Easy

“I am genuinely so happy with this app. I’ve been suffering from some odd gastrointestinal issues for the past month and got recommended to track what I eat. Started tracking with this app today and am blown away by how much thought and care has been placed into every ounce of it. I feel so cared for.”

NotNicolasCage · App Store · 10 August 2026

“This app is fairly intuitive, ideal for tracking food and the symptoms they may be causing. The developer considers feedback seriously; I made a suggestion and it was implemented immediately! If you have gastroparesis or other digestive issues and need a place to see food and symptom correlations, THIS IS IT!”

Alexis Fudge · Google Play · July 2026

“I use this app for gastroperisis and it is very helpful.”

Charly · Google Play · August 2026

Customer feedback

“I cannot believe it! You added my suggestions on procedures, effectiveness, follow-up, and bowel movements. Now I don’t have to use a separate log, it is all on my phone now! Thank you!”

Jenny · GastroLog feedback

What it costs

Free to log. A one-time $4.99 for the extras.

No subscription. Nothing renews. Buy Plus once and it's yours on that device.

Free$0

Log meals, symptoms, meds, weight and fluids. Medication reminders. Repeat safe meals. The past two weeks of trends.

GastroLog Plus$4.99 once

The shareable GI-visit PDF, plus the full one-month, three-month and all-time history on every chart.

Questions

Before you download

Do I have to type anything?

No. It runs on taps: chips for meals and a five-dot scale for symptoms. On a bad day you can log a meal or a symptom without writing a word.

Does it work for diabetic and idiopathic gastroparesis?

Yes. It tracks meals, symptoms, medication and weight whatever the cause of your gastroparesis.

Can I link a symptom to a specific meal?

Yes. When you log a symptom you can tag the meal it followed, and the list reaches back through the night, so morning nausea can point at last night's dinner. A tagged symptom counts toward that meal in your food patterns.

What does it cost?

GastroLog is free to log meals, symptoms, meds and reminders, with the past two weeks of trends. A one-time $4.99 unlocks GastroLog Plus: the shareable GI-visit PDF and the full one-month, three-month and all-time trend history. No subscription, nothing renews.

Is my health data private?

Everything you log — meals, symptoms, meds, weight — stays on your phone. There's no account and no sign-up. The app records anonymous usage counts (that a feature was used, never what you logged), and nothing about your health is uploaded or sold. The full privacy policy spells it out.

Can I share it with my doctor?

Yes. GastroLog Plus exports a clean PDF of your meals, symptoms, meds and trends to take to your GI appointment.

Can it track bowel movements and procedures?

Yes. You can log bowel movements or a no-movement day, record procedures such as Botox or dilation, set a follow-up reminder, and include the history in your GI report.

Does it work offline?

Yes. Your diary lives on your device, so logging works in a waiting room, on a plane, or anywhere with no signal.

Show your specialist what your weeks really look like.

Start logging today. Two weeks from now you walk into your appointment with a clear record instead of a blur.

Free to log · Private · iPhone & Android