# Kinvolve vs Caffeine Clock

The clearest difference is in-app purchases: Kinvolve at none against Caffeine Clock's 2. Kinvolve also leads on device support (4 vs 1). Caffeine Clock's advantage is update cadence (weekly vs every 6 weeks). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Caffeine Clock sells 2 one-off in-app purchases. Kinvolve asks for nothing beyond the download.

Kinvolve ships an update every 6 weeks, Caffeine Clock weekly. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Kinvolve | Caffeine Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (27 ratings)](https://appshunter.io/ios/app/caffeine-clock-track-caffeine/id6504160396/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 178 MB | 119 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Entrainement Kinvolve Inc.](https://appshunter.io/developer/1728492981) | [ANTONIN WINGENDER](https://appshunter.io/developer/1751178342) |

## What reviewers say

### Kinvolve

[App page](https://appshunter.io/ios/app/kinvolve/id6476985227)

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


### Caffeine Clock

[App page](https://appshunter.io/ios/app/caffeine-clock-track-caffeine/id6504160396)

This app helps you track your caffeine intake and understand its impact on your sleep. It models caffeine absorption and half-life to provide a clear view of your current and projected levels, allowing you to plan your consumption for better rest.

**Highlights:** Caffeine absorption and half-life modeling, Real-time caffeine level tracking, Interactive home screen widgets, Sleep-aware insights and bedtime planning, Extensive drink database with custom options, Daily caffeine threshold alerts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $4.99 | one-time |
| Remove Ads | $9.99 | one-time |


## Frequently asked questions

### Is Kinvolve free?

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

### Is Caffeine Clock free?

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

### Do Kinvolve or Caffeine Clock have ads?

Neither Kinvolve nor Caffeine Clock shows ads.

### Which is updated more often, Kinvolve or Caffeine Clock?

Kinvolve ships an update every 6 weeks, and Caffeine Clock weekly. Most recently, Kinvolve was updated on October 2, 2026 and Caffeine Clock on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*