# Caffeine Flow vs Koffee

The clearest difference is in-app purchases: Caffeine Flow at none against Koffee's 3. Caffeine Flow also leads on update cadence (fortnightly vs monthly). Koffee's advantage is ads (none vs shown). On price, device support 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 Flow asks for nothing beyond the download.

Caffeine Flow ships an update fortnightly, Koffee monthly. The most recent releases landed on September 25, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Caffeine Flow | Koffee |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Size | 86 MB | 53 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Chinipy](https://appshunter.io/developer/1829955713) | [Jose Maria Moreno](https://appshunter.io/developer/1866215737) |

## What reviewers say

### Caffeine Flow

[App page](https://appshunter.io/ios/app/caffeine-flow-sleep-tracker/id6759970536)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Caffeine Flow free?

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

### Is Koffee free?

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

### Do Caffeine Flow or Koffee have ads?

Caffeine Flow shows ads; Koffee does not.

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

Caffeine Flow ships an update fortnightly, and Koffee monthly. Most recently, Caffeine Flow was updated on September 25, 2026 and Koffee on September 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.*