# Koffee vs Caffeine Curve

The clearest difference is in-app purchases: Caffeine Curve at none against Koffee's 3. Caffeine Curve also leads on update cadence (fortnightly vs monthly). Koffee's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Koffee sells 3 in-app purchases, starting at $1.99 per month. Caffeine Curve asks for nothing beyond the download.

Koffee ships an update monthly, Caffeine Curve fortnightly. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Koffee | Caffeine Curve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/caffeine-curve/id6760567892/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Free |
| Size | 53 MB | 4 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Jose Maria Moreno](https://appshunter.io/developer/1866215737) | [Haris Delalic](https://appshunter.io/developer/1885039771) |

## What reviewers say

### Koffee

[App page](https://appshunter.io/ios/app/koffee-caffeine-tracker/id6760164016)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Koffee Monthly | $1.99 | per month |
| Koffee Annual | $9.99 | per year |
| Koffee Lifetime | $19.99 | one-time |


### 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 Koffee free?

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

### Is Caffeine Curve free?

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

### Do Koffee or Caffeine Curve have ads?

Neither Koffee nor Caffeine Curve shows ads.

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

Koffee ships an update monthly, and Caffeine Curve fortnightly. Most recently, Koffee was updated on October 11, 2026 and Caffeine Curve on October 10, 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.*