# Frank's Caffeine Tracker vs half

The clearest difference is in-app purchases: Frank's Caffeine Tracker at none against half's 3. Frank's Caffeine Tracker also leads on iOS requirement (15.1 vs 18.0). half's advantage is update cadence (every 4 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. half sells 3 in-app purchases, starting at $9.99 per month. Frank's Caffeine Tracker asks for nothing beyond the download.

Frank's Caffeine Tracker ships an update fortnightly, half every 4 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Frank's Caffeine Tracker | half |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/half-lyfe-caffeine-coach/id6815463981/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 37 MB | 91 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 17+ | 12+ |
| Developer | [Frank Gerritse](https://appshunter.io/developer/1805358593) | [Kaden Priebe](https://appshunter.io/developer/6815463983) |

## What reviewers say

### Frank's Caffeine Tracker

[App page](https://appshunter.io/ios/app/franks-caffeine-tracker/id6746192998)

**In-app purchases:** none


### half

[App page](https://appshunter.io/ios/app/half-lyfe-caffeine-coach/id6815463981)

This app helps you plan your caffeine intake to align with your energy needs and bedtime. Log drinks, preview their effects, and schedule them around your day with optional calendar integration. Track your history and receive timely reminders.

**Highlights:** Log caffeine intake, Preview next drink effects, Plan caffeine around schedule, Track drink history, Receive timely reminders, Optional Apple Health integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| half-lyfe Pro (Monthly) | $9.99 | per month |
| half-lyfe Pro (Yearly offer) | $19.99 | per year |
| half-lyfe Pro (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is Frank's Caffeine Tracker free?

Frank's Caffeine Tracker is free to download, with no in-app purchases.

### Is half free?

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

### Do Frank's Caffeine Tracker or half have ads?

Neither Frank's Caffeine Tracker nor half shows ads.

### Which is updated more often, Frank's Caffeine Tracker or half?

Frank's Caffeine Tracker ships an update fortnightly, and half every 4 days. Most recently, Frank's Caffeine Tracker was updated on October 25, 2026 and half on October 29, 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.*