# AwakeSync vs Caffeine Clock

The clearest difference is review sentiment: Caffeine Clock at 80% against AwakeSync's 33%. Caffeine Clock also leads on rating (4.7 vs 3.4) and ratings volume (24 vs 5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AwakeSync sells 2 one-off in-app purchases and Caffeine Clock sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Caffeine Clock holds the better App Store score, 4.7 against 3.4. Both are backed by a comparable volume of ratings — 5 and 24 respectively. Written reviews point the same way: 33% of AwakeSync's written reviews are positive against 80% of Caffeine Clock's.

AwakeSync ships an update every 2 weeks, Caffeine Clock weekly. The most recent releases landed on September 5, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | AwakeSync | Caffeine Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/awakesync/id6466740367/reviews) | **[4.7 (24 ratings)](https://appshunter.io/ios/app/caffeine-clock-track-caffeine/id6504160396/reviews)** |
| Number of ratings | 5 | **24** |
| Positive reviews | 33.3% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 33 MB | 122 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cubeon Solutions UG](https://appshunter.io/developer/1839630594) | [ANTONIN WINGENDER](https://appshunter.io/developer/1751178342) |

## What reviewers say

### AwakeSync

[App page](https://appshunter.io/ios/app/awakesync/id6466740367)

This smart alarm app uses your Apple Watch to monitor sleep stages and wake you during light sleep. It offers personalized wake-up times, recurring alarms, and smart home integration for a more pleasant morning experience.

**Highlights:** Personalized wake-up during light sleep, Multiple and recurring alarms, Smart home device integration, Sleep stage monitoring, Siri Shortcuts integration, Companion iPhone app

**Features:** Family Sharing, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $1.99 | one-time |
| Pro | $8.99 | one-time |


### 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 AwakeSync free?

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

### Is Caffeine Clock free?

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

### Which has better reviews, AwakeSync or Caffeine Clock?

Caffeine Clock is rated higher. AwakeSync averages 3.4 out of 5 from 5 ratings, while Caffeine Clock averages 4.7 from 24 ratings.

### Do AwakeSync or Caffeine Clock have ads?

Neither AwakeSync nor Caffeine Clock shows ads.

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

AwakeSync ships an update every 2 weeks, and Caffeine Clock weekly. Most recently, AwakeSync was updated on September 5, 2026 and Caffeine Clock on September 16, 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.*