# Caffeine Tracker vs Caffeine Curve

The clearest difference is ads: Caffeine Curve at none against Caffeine Tracker's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Caffeine Tracker ships an update every 10 days, Caffeine Curve fortnightly. Both last shipped on November 5, 2026.

## The numbers

| Metric | Caffeine Tracker | Caffeine Curve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/caffeine-curve/id6760567892/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | — | Free |
| Size | 26 MB | 4 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Blas Prieto](https://appshunter.io/developer/1878084920) | [Haris Delalic](https://appshunter.io/developer/1885039771) |

## What reviewers say

### Caffeine Tracker

[App page](https://appshunter.io/ios/app/caffeine-tracker-intake-log/id6760383536)

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

**In-app purchases:** none


### Caffeine Curve

[App page](https://appshunter.io/ios/app/caffeine-curve/id6760567892)

This app estimates your current caffeine level in real-time by analyzing dietary caffeine entries from Apple Health. It helps you understand how caffeine affects your body throughout the day, aiding decisions about intake and sleep. The interface is designed for quick, clear information.

**Highlights:** Real-time caffeine level tracking, Caffeine absorption and elimination model, Apple Health integration, Lock Screen widget and Home Screen Widgets, Peak and sleep indicators, Personalized sensitivity profiles, Demo mode for exploration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Caffeine Tracker free?

Caffeine Tracker is free to download, with no in-app purchases.

### Is Caffeine Curve free?

Caffeine Curve is free to download, with no in-app purchases.

### Do Caffeine Tracker or Caffeine Curve have ads?

Caffeine Tracker shows ads; Caffeine Curve does not.

### Which is updated more often, Caffeine Tracker or Caffeine Curve?

Caffeine Tracker ships an update every 10 days, and Caffeine Curve fortnightly. Most recently, Caffeine Tracker was updated on November 5, 2026 and Caffeine Curve on November 5, 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.*