# Caffeine App vs Simple Caffeine

The clearest difference is price: Caffeine App at Free against Simple Caffeine's $0.99. Caffeine App also leads on update cadence (monthly vs every 8 months). Simple Caffeine's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 18.0). On review sentiment, ads and device support there is nothing between them.

Caffeine App is free to download; Simple Caffeine costs $0.99 up front. Caffeine App sells 1 one-off in-app purchase. Simple Caffeine asks for nothing beyond the download.

Caffeine App ships an update monthly, Simple Caffeine every 8 months. The most recent releases landed on August 28, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Caffeine App | Simple Caffeine |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (340 ratings)](https://appshunter.io/ios/app/caffeine-app-daily-tracker/id1045959983/reviews)** | — |
| Number of ratings | **340** | — |
| Positive reviews | 73.7% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 17 MB | 18 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, Apple Watch, Vision Pro | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Mueller](https://appshunter.io/developer/367875607) | [feb19](https://appshunter.io/developer/358045838) |

## What reviewers say

### Caffeine App

[App page](https://appshunter.io/ios/app/caffeine-app-daily-tracker/id1045959983)

Track your caffeine intake from various beverages and monitor your hydration levels. Visualize your caffeine curve over 24 hours and receive notifications for your optimal sleep time. Integrates with Apple Health and Apple Watch for seamless logging and data syncing.

**Highlights:** Log caffeine from coffee, tea, and energy drinks, Visualize 24-hour caffeine curve, Calculate optimal sleep time, Track daily water intake, Apple Watch logging and complications, Apple Health integration, iCloud sync

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use and intuitive interface
- 🎯 Accurate caffeine tracking and decay calculations
- ⏰ Helpful sleep readiness predictions
- 🏥 Apple Health integration for long-term tracking
- ⌚ Apple Watch support with quick logging

**What reviewers complain about**

- ⚠️ Recent performance degradation from new features
- 📊 Graphs become too small with multiple charts enabled
- ⏳ Long graphics update delays affecting responsiveness
- 🐛 Sleep ready time shows current time instead of prediction
- 🌍 Limited beverage library for non-German markets

**Reported bugs**

- Sleep ready time displays current time instead of predicted sleep time
- Cannot rename custom amounts until after adding them
- Newly added custom amounts appear at bottom of list
- Health app data from third-party apps not syncing
- All presets missing in some versions

**Requested features**

- Toggle option to disable bar chart visualization
- Taller graph display area with scrolling capability
- Personalization based on body weight and metabolism
- Ounce-based measurement options for drinks
- Multi-day and historical trend analysis


### 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


## Frequently asked questions

### Is Caffeine App free?

Caffeine App is free to download, with in-app purchases available.

### Is Simple Caffeine free?

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

### Do Caffeine App or Simple Caffeine have ads?

Neither Caffeine App nor Simple Caffeine shows ads.

### Which is updated more often, Caffeine App or Simple Caffeine?

Caffeine App ships an update monthly, and Simple Caffeine every 8 months. Most recently, Caffeine App was updated on August 28, 2026 and Simple Caffeine on September 13, 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.*