Bowelog vs UNKO LAB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bowelog
Easily log bowel movements with a single tap. Track stool type, color, ease, duration, and blood, with an integrated Bristol Stool Scale. Connect food intake to gut symptoms and view historical patterns privately on your device.
- One-tap logging
- Bristol Stool Scale integration
- Detailed symptom tracking
- Food diary for pattern recognition
- History and statistical analysis
- Private, no account required
- Offline functionality
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Log bowel movements in one tap. Bristol Stool Scale, color, ease & notes, all on your iPhone, no account needed. A simple, private poop log and gut health diary with no ads. Bowelog is the simplest way to track your bowel health. One tap logs an entry. No forms, no sign-up, no friction. Add details only when you want to. ONE TAP. DONE. Hit the button. Bowelog records the time and date instantly. That's all you need to do. Come back later to add stool type, color, ease, duration, blood, or notes, or don't. Your call. BRISTOL STOOL SCALE, BUILT IN The Bristol Stool Scale is the standard chart doctors use to describe stool type. Bowelog shows all 7 types with clear illustrations so you always log the right one. Types 3–4 → ideal Types 1–2 → constipation range Types 6–7 → diarrhea range Show your log to your doctor at your next appointment. TRACK WHAT MATTERS Each entry can include: · Stool type (Bristol Scale 1–7) · Color: normal, yellow, green, black, red · Ease of passing: very easy → very hard · Duration in minutes · Blood present (with medical reminder) · Free-text notes for your doctor A FOOD DIARY CONNECTED TO HOW YOU FEEL Log meals by ingredient (fruits, vegetables, dairy, sports nutrition, supplements) and start noticing patterns between food and symptoms over time. Handy for an elimination diet or a low-FODMAP routine. No calorie counting, no weighing, just what actually matters for understanding your gut. HISTORY & STATS · Color-coded calendar in History: see patterns at a glance · Full month-by-month history · Average interval between visits · Weekly frequency chart · Most common stool type this month PRIVATE BY DESIGN No account. No cloud. No tracking. No ads. Every entry stays on your iPhone or iPad only. Bowelog never sees your data, not a single entry. BUILT FOR REAL LIFE Managing IBS, IBD, Crohn's, colitis, bloating, or constipation? Or just want to keep an eye on your digestion? Bowelog gives you the data you need, without the complexity you don't. Dark mode. iPhone & iPad. Works offline, always. Bowelog is a personal tracking tool and does not provide medical advice or diagnosis. Consult your doctor for any medical concerns, especially if you notice blood in stool or persistent changes in bowel habits.
UNKO LAB
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Your daily log. A little adventure. Build a delightfully odd lab with your professor. Your tower grows with quantity, while stool characteristics help unlock laboratory equipment. See it. Tap it. Log it. Choose a stool shape to save an entry. Lifestyle fields are optional; blanks stay unknown, and manual values take priority. Discover your own patterns. Poop AI turns your journal into little eureka moments. It playfully reads shapes, frequency and timing, and compares only your own records when you connect steps or sleep. Enjoy a fresh research note each day. It never diagnoses you. Steps and sleep. More clues. Apple Health is completely optional. Put a well-walked or well-slept day beside your own journal and look for fresh lab clues. Health data is never used for ads. Dig deeper. Share your report. Free: basic logging, timer, Health connection, core lab progression and short discoveries. One-time Pro: no ads, 10x tower growth, PDF/CSV, research library and extra themes.
Screenshots
Verdict
The clearest difference is in-app purchases: Bowelog at none against UNKO LAB's 1. UNKO LAB's advantage is update cadence (every 2 days vs monthly). On price, ads, device support and iOS requirement 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. UNKO LAB sells 1 one-off in-app purchase. Bowelog asks for nothing beyond the download.
Bowelog ships an update monthly, UNKO LAB every 2 days. The most recent releases landed on October 31, 2026 and October 26, 2026 respectively.
| Parameter | Bowelog | UNKO LAB |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (9 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Monthly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 16 MB | 36 MB |
| Age rating | 4+ | 12+ |
| Developer | Stas Morozov | Nobuaki Kuwabara |
In-app purchases
Bowelog
No in-app purchases
UNKO LAB
- UNKO LAB Pro$4.99









