# CaffeineLog vs Decaf AI

The clearest difference is update cadence: CaffeineLog at every 2 days against Decaf AI's every 6 weeks. Decaf AI's advantage is iOS requirement (13.4 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. CaffeineLog sells 2 in-app purchases, starting at $1.99 per month and Decaf AI sells 4 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for CaffeineLog against 5.0 for Decaf AI. Both are backed by a comparable volume of ratings — 3 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

CaffeineLog ships an update every 2 days, Decaf AI every 6 weeks. The most recent releases landed on July 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | CaffeineLog | Decaf AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/caffeinelog-track-caffeine/id6736601220/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/decaf-ai-caffeine-tracker/id6738422784/reviews) |
| Number of ratings | 3 | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 50 MB | 63 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yugo Matsuda](https://appshunter.io/developer/1517181379) | [Fearless Health LLC](https://appshunter.io/developer/1780780545) |

## What reviewers say

### CaffeineLog

[App page](https://appshunter.io/ios/app/caffeinelog-track-caffeine/id6736601220)

Easily record and manage your daily caffeine intake to support a healthy lifestyle. Diagnose optimal consumption, track over 300 beverage types, and visualize your intake patterns over time. Sync data seamlessly across devices for convenient access.

**Highlights:** Support appropriate caffeine intake diagnosis, Record from over 300 beverage types, Customizable logs with tags, images, and notes, Visual data display with time-series charts, Seamless device synchronization via iCloud, Pattern analysis by day, week, month, and year

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Plan | $1.99 | per month |
| Premium Yearly Plan | $14.99 | per year |


### Decaf AI

[App page](https://appshunter.io/ios/app/decaf-ai-caffeine-tracker/id6738422784)

This app helps you break free from caffeine dependence with a personalized, science-backed program. Track your intake, receive guidance, and improve sleep and energy levels for a healthier lifestyle.

**Highlights:** Personalized caffeine reduction plan, Log caffeine intake with photos, Progress tracking and insights, Guidance to quit caffeine, Improve sleep and reduce stress, Science-backed program

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decaf Pro | $9.99 | per 7 days |
| Decaf Pro | $29.99 | per year |
| Decaf Pro | $49.99 | per year |
| Decaf Pro | $49.99 | per year |


## Frequently asked questions

### Is CaffeineLog free?

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

### Is Decaf AI free?

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

### Which has better reviews, CaffeineLog or Decaf AI?

CaffeineLog and Decaf AI are both rated 5.0 out of 5 on the App Store, from 3 and 8 ratings respectively.

### Do CaffeineLog or Decaf AI have ads?

Neither CaffeineLog nor Decaf AI shows ads.

### Which is updated more often, CaffeineLog or Decaf AI?

CaffeineLog ships an update every 2 days, and Decaf AI every 6 weeks. Most recently, CaffeineLog was updated on July 21, 2026 and Decaf AI on September 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.*