# Simple Caffeine vs Poop Tracker

The clearest difference is price: Poop Tracker at Free against Simple Caffeine's $0.99. Poop Tracker also leads on update cadence (every 2 months vs every 8 months). Simple Caffeine's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On ads there is nothing between them.

Poop Tracker is free to download; Simple Caffeine costs $0.99 up front. Poop Tracker sells 2 in-app purchases, starting at $4.99 per month. Simple Caffeine asks for nothing beyond the download.

Simple Caffeine ships an update every 8 months, Poop Tracker every 2 months. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Simple Caffeine | Poop Tracker |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 18 MB | 14 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [feb19](https://appshunter.io/developer/358045838) | [Ilia Kukharev](https://appshunter.io/developer/1865204215) |

## What reviewers say

### Simple Caffeine

[App page](https://appshunter.io/ios/app/simple-caffeine/id1451062048)

Easily track your caffeine intake with a simple interface. This app saves your caffeine consumption data directly to Apple Health, requiring access to your health data.

**Highlights:** Simple caffeine logging, Apple Health integration, Track intake history, Minimalist design

**Features:** macOS Compatibility

**In-app purchases:** none


### Poop Tracker

[App page](https://appshunter.io/ios/app/poop-tracker-bowel-log/id6772184356)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Poop Tracker Stool Log Pro Monthly | $4.99 | per month |
| Poop Tracker Stool Log Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Simple Caffeine free?

Simple Caffeine costs $0.99, with no in-app purchases.

### Is Poop Tracker free?

Poop Tracker is free to download, with in-app purchases available.

### Do Simple Caffeine or Poop Tracker have ads?

Neither Simple Caffeine nor Poop Tracker shows ads.

### Which is updated more often, Simple Caffeine or Poop Tracker?

Simple Caffeine ships an update every 8 months, and Poop Tracker every 2 months. Most recently, Simple Caffeine was updated on October 19, 2026 and Poop Tracker on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*