# CaffPulse vs Impulse Mode

The clearest difference is update cadence: CaffPulse at every 5 days against Impulse Mode's every 2 months. Impulse Mode's advantage is iOS requirement (15.1 vs 18.6). On price, ads, 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.

CaffPulse ships an update every 5 days, Impulse Mode every 2 months. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CaffPulse | Impulse Mode |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free | — |
| Size | 4 MB | 118 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Alex Carneiro](https://appshunter.io/developer/1870678514) | [Michael Dawson](https://appshunter.io/developer/1519601474) |

## What reviewers say

### CaffPulse

[App page](https://appshunter.io/ios/app/caffpulse-caffeine-tracker/id6758062092)

Visualize your caffeine levels with an interactive liquid display and understand its impact on your sleep. Get personalized insights and track your intake from over 70 popular brands to optimize your daily caffeine consumption.

**Highlights:** Interactive liquid caffeine display, Personalized sleep timing recommendations, Customizable metabolism settings, Database of 70+ brand drinks, Daily caffeine limit tracking, Caffeine decay charts, Home screen widgets

**Features:** macOS Compatibility

**In-app purchases:** none


### Impulse Mode

[App page](https://appshunter.io/ios/app/impulse-mode/id6761788816)

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

**In-app purchases:** none


## Frequently asked questions

### Is CaffPulse free?

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

### Is Impulse Mode free?

Impulse Mode is free to download, with no in-app purchases.

### Do CaffPulse or Impulse Mode have ads?

Neither CaffPulse nor Impulse Mode shows ads.

### Which is updated more often, CaffPulse or Impulse Mode?

CaffPulse ships an update every 5 days, and Impulse Mode every 2 months. Most recently, CaffPulse was updated on September 29, 2026 and Impulse Mode on October 6, 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.*