# Caffeine Tracker vs Onset

The clearest difference is in-app purchases: Onset at none against Caffeine Tracker's 2. Caffeine Tracker's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (7 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Caffeine Tracker sells 2 in-app purchases, starting at $0.99 per month. Onset asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Caffeine Tracker against 5.0 for Onset. That said, the two scores are not equally well evidenced: Caffeine Tracker has 7 ratings behind it against 1, so its average is the more settled of the two.

Caffeine Tracker ships an update every 3 weeks, Onset every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Caffeine Tracker | Onset |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/caffeine-tracker-coffee-and-tea/id6749169540/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/onset-caffeine-tracker/id6779038082/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Freemium | — |
| Size | 5 MB | 8 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Anthony Harvey](https://appshunter.io/developer/1478197285) | [Doodle Studio LLC](https://appshunter.io/developer/1845007706) |

## What reviewers say

### Caffeine Tracker

[App page](https://appshunter.io/ios/app/caffeine-tracker-coffee-and-tea/id6749169540)

Precisely track your caffeine intake from various sources to manage alertness and sleep. Visualize your body's caffeine load with a real-time metabolism chart and receive smart notifications for optimal consumption and cutoff times.

**Highlights:** Rapid caffeine logging, Real-time metabolism chart, Smart notifications, Daily summary and analytics, Customizable settings, Data export to CSV, Health app integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caffeine Pro Monthly | $0.99 | per month |
| Caffeine Pro Yearly | $5.99 | per year |


### Onset

[App page](https://appshunter.io/ios/app/onset-caffeine-tracker/id6779038082)

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

**In-app purchases:** none


## Frequently asked questions

### Is Caffeine Tracker free?

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

### Is Onset free?

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

### Which has better reviews, Caffeine Tracker or Onset?

Caffeine Tracker and Onset are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do Caffeine Tracker or Onset have ads?

Neither Caffeine Tracker nor Onset shows ads.

### Which is updated more often, Caffeine Tracker or Onset?

Caffeine Tracker ships an update every 3 weeks, and Onset every 2 months. Most recently, Caffeine Tracker was updated on October 24, 2026 and Onset on October 24, 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.*