# Caffeine Tracker vs Luid

Caffeine Tracker and Luid are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Caffeine Tracker sells 4 in-app purchases, starting at $1.99 per month and Luid sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Caffeine Tracker ships an update every 5 days, Luid weekly. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Caffeine Tracker | Luid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (40 ratings)](https://appshunter.io/ios/app/caffeine-tracker-alyx/id6473840226/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Freemium | — |
| Size | 45 MB | 5 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Day Well Spent LLC](https://appshunter.io/developer/1633532884) | [Ali Yigit](https://appshunter.io/developer/1896336668) |

## What reviewers say

### Caffeine Tracker

[App page](https://appshunter.io/ios/app/caffeine-tracker-alyx/id6473840226)

Track your caffeine intake and understand its impact on your sleep and health. Get personalized insights, set 'Last Call' reminders, and visualize your consumption trends with detailed charts and widgets.

**Highlights:** Log various caffeine sources, Predict caffeine elimination time, Set 'Last Call' caffeine reminders, Analyze caffeine's impact on sleep, Visualize caffeine decline over time, Customizable drinks with AI, Siri Shortcuts and widgets

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caffeine Club | $1.99 | per month |
| Caffeine Club Annual | $9.99 | per year |
| Caffeine Club Annual | $9.99 | per year |
| Caffeine Club: Lifetime | $24.99 | one-time |


### Luid

[App page](https://appshunter.io/ios/app/luid/id6777601157)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luid PRO Monthly | $0.99 | per month |
| Luid PRO Yearly | $1.99 | per year |


## Frequently asked questions

### Is Caffeine Tracker free?

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

### Is Luid free?

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

### Do Caffeine Tracker or Luid have ads?

Neither Caffeine Tracker nor Luid shows ads.

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

Caffeine Tracker ships an update every 5 days, and Luid weekly. Most recently, Caffeine Tracker was updated on October 17, 2026 and Luid on October 10, 2026.

---

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