Poop Tracker vs Sub20
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Poop Tracker
This app helps you track bowel movements to identify patterns and build healthy habits. It offers one-tap logging, Siri integration, and detailed trend analysis. Your data is kept private on your device, with optional reminders and export options.
- One-tap logging
- Siri and Shortcuts integration
- Notes for context
- Weekly & monthly trend charts
- Gentle reminders
- Face ID privacy
- CSV/PDF export
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SimplePoo is a simple, private bowel-movement tracker that helps you spot patterns, build healthy habits, and share insights with your doctor when needed. Why you’ll like it - One-tap logging on a friendly calendar - Hands-free logging with Siri or Shortcuts - Notes for extra context when you need it - type it on the go or create Quick Notes for repeatable patterns - Weekly & monthly trends with clear charts - Streaks & gaps to understand irregularity over time - Gentle reminders (optional) to stay consistent, weekly reports - Face ID to keep things private - Export to CSV/PDF for sharing or backup - Share insights as images: regularity streaks, irregularity streaks and monthly trends at a glance - Dark Mode and a clean, minimalist design - On-device by default - your data stays on your phone Private by design SimplePoo stores your entries locally on your device. We don’t run ads and we don’t collect your logs. Enable Face ID/Passcode in Settings for extra privacy. Export when you want Create a CSV or PDF for the period you choose (last 7/30 days or 1 year). Share it via Mail, Files, or your preferred app. Share as an Image from the Statistics tab to quickly show your doctor a clear summary or even compare streaks with a friend. Disclaimer SimplePoo is a personal tracking tool and does not provide medical advice. If you have health concerns, please consult a qualified professional. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://simplepoo.com/privacy-policy/
Sub20
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Sub20 is a structured 5K training system that helps you run a faster, stronger 5K, with a clear path all the way to sub-20 if that's your goal. Enter your current 5K time and Sub20 instantly places you at the right starting point: Level 1 - Foundation: 30:00+ Level 2 - Aerobic Build: 27:00-30:00 Level 3 - Threshold Development: 25:00-27:00 Level 4 - 5K Conversion: 23:00-25:00 Level 5 - Race Specific: 21:00-23:00 Level 6 - Sub-20 Peak: under 21:00 - Personalised training levels that adapt to your current ability - Exact paces for every session, so you always know how hard to push - Benchmark tests that track real progress toward your goal time and adjust your training plan if needed - Apple Watch sync - see your session and paces on your wrist, mid-run - Simple, structured weekly plans - no guesswork, no overtraining Download Sub20 and start your next session today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: Sub20 at 4 against Poop Tracker's 1. Sub20 also leads on iOS requirement (15.0 vs 18.6). On price, update cadence, ads 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
Both are free to download. Poop Tracker sells 4 in-app purchases, starting at $1.99 per month and Sub20 sells 1 in-app purchase, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.
Poop Tracker ships an update every 4 days, Sub20 every 3 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.
| Parameter | Poop Tracker | Sub20 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Bavyking Solutions SRL | Chris Edgar |
In-app purchases
Poop Tracker
- SimplePoo Premium — Monthly3 Days trial$1.991 Month
- SimplePoo Premium — Weekly$3.997 Days
- SimplePoo Premium — Yearly7 Days trial$29.991 Year
- LifeTime Unlock$59.99
Sub20
- Sub20 Monthly7 Days trial$24.991 Month









