Comparison

biotys vs Poop Teacher

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

Head to head
About

biotys

Features
Read full description

biotys allows you to easily keep track of what you eat and drink in order to better understand your digestion and improve your wellbeing, privately and for free. Disclaimer The services provided by biotys are not intended to provide medical advice. For medical advice that addresses your specific and individual needs, please always consult a qualified healthcare professional. Please check our Terms of Use for more details: https://biotys.ch/terms

About

Poop Teacher

This app helps you track and analyze your digestive health by logging bowel movements. It uses the Bristol Stool Scale and color options for detailed recording, offering insights into trends and providing educational content. Secure sharing options are available for healthcare professionals.

Highlights
  • Bristol Stool Scale logging
  • Stool color tracking
  • One-touch recording
  • Historical data timeline
  • Trend analysis
  • Secure data sharing
  • Health education library
Features
Read full description

Poop Teacher is a simple poop tracker. After the bathroom, pick the stool type and color, tap save, and you're done. A calendar and monthly stats show your bowel movement pattern, so keeping a poop diary becomes an easy daily habit. ONE-SCREEN LOGGING • 7 stool types with cute illustrations, inspired by the Bristol Stool Chart: separate lumps, banana, snake-like, cracked, soft, liquid and constipation • 5 colors: brown, yellow, black, red and green • A cheerful mascot celebrates every saved entry • Your latest entry is shown right on the home screen CALENDAR & STATS • Days with entries are checked on the monthly calendar; swipe between months with the arrows • Monthly stats: number of entries and how your stool types are distributed • Full history grouped by month, with multi-select delete COLLECT 100 CUTE POOPS • Every entry earns 1 point; spend points to unlock poop characters wearing hats, glasses, scarves and more • Four rarities: Common, Rare, Epic and Legendary • Want more points? You can choose to watch a short ad (up to 3 times a day) • Save your favorite character cards to your photo library PRIVACY • No account needed. Your entries stay on your iPhone • Available in 9 languages NOTE This app is for record-keeping only. It is not a medical device and does not replace professional medical advice. If you are worried about your bowel habits, please talk to a doctor.

Screenshots

biotys4 screens
Poop Teacher3 screens

Verdict

The call

The clearest difference is ads: biotys at none against Poop Teacher's shown. biotys also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Poop Teacher's advantage is update cadence (every 4 days vs every 5 months). On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

biotys ships an update every 5 months, Poop Teacher every 4 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
biotys versus Poop Teacher: the parameters behind the verdict, then further details
ParameterbiotysPoop Teacher
PriceFreeFree
Rating—4.4 (5 ratings) — better
Positive reviews—75.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 5 monthsEvery 4 days — better
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size12 MB41 MB
Age rating12+4+
DeveloperAmir AiouazYIZE LIAO

In-app purchases

None

biotys

No in-app purchases

None

Poop Teacher

No in-app purchases

Questions

Is biotys free?
biotys is free to download, with no in-app purchases.
Is Poop Teacher free?
Poop Teacher is free to download, with no in-app purchases.
Do biotys or Poop Teacher have ads?
Poop Teacher shows ads; biotys does not.
Which is updated more often, biotys or Poop Teacher?
biotys ships an update every 5 months, and Poop Teacher every 4 days. Most recently, biotys was updated on November 3, 2026 and Poop Teacher on November 4, 2026.

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