# Caffeine Tracker + vs RayDay

The clearest difference is rating: Caffeine Tracker + at 5.0 against RayDay's 3.0. RayDay's advantage is monetization model (free vs freemium) and update cadence (every 2 months vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Caffeine Tracker + sells 2 in-app purchases, starting at $4.99 per 7 days and RayDay sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Caffeine Tracker + holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Caffeine Tracker + ships an update every 3 months, RayDay every 2 months. The most recent releases landed on September 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Caffeine Tracker + | RayDay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/caffeine-tracker-plus/id6746387175/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/rayday-vitamin-d-tracker/id6761286896/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Freemium | **Free** |
| Size | 10 MB | 30 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Brightwood Apps LLC](https://appshunter.io/developer/1776937863) | [Jakub Laszczyk](https://appshunter.io/developer/568719342) |

## What reviewers say

### Caffeine Tracker +

[App page](https://appshunter.io/ios/app/caffeine-tracker-plus/id6746387175)

Take control of your caffeine intake with powerful tracking, personalized reduction plans, and real-time insights. Understand your habits, sleep better, and reduce anxiety with data-driven tools and visual progress tracking.

**Highlights:** Caffeine tracking for various beverages, Real-time metabolism and metabolism graphs, Personalized reduction plans, Sleep quality insights, Smart reminders and 'last call' notifications, Calendar view of caffeine habits

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access \| 1 Week | $4.99 | per 7 days |
| Monthly Plan | $9.99 | per month |


### RayDay

[App page](https://appshunter.io/ios/app/rayday-vitamin-d-tracker/id6761286896)

This app calculates your daily window for natural Vitamin D production based on your location and skin type. It provides solar path visualization, forecasts, and atmospheric data to help you optimize sun exposure safely.

**Highlights:** D-Window Calculator, Live Solar Path visualization, 7-Day D-Window Forecast, Skin Type Personalization, Smart Sun Exposure Notifications, Real-time UV Index & Atmospheric Data, Home Screen Widget

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RayDay Weekly | $4.99 | per 7 days |
| RayDay Yearly | $24.99 | per year |
| Early Supporter Yearly | $24.99 | per year |


## Frequently asked questions

### Is Caffeine Tracker + free?

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

### Is RayDay free?

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

### Which has better reviews, Caffeine Tracker + or RayDay?

Caffeine Tracker + is rated higher. Caffeine Tracker + averages 5.0 out of 5 from 1 ratings, while RayDay averages 3.0 from 2 ratings.

### Do Caffeine Tracker + or RayDay have ads?

Neither Caffeine Tracker + nor RayDay shows ads.

### Which is updated more often, Caffeine Tracker + or RayDay?

Caffeine Tracker + ships an update every 3 months, and RayDay every 2 months. Most recently, Caffeine Tracker + was updated on September 21, 2026 and RayDay on October 1, 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.*