# Tan Timer & Tracker vs Luminous

The clearest difference is review sentiment: Tan Timer & Tracker at 100% against Luminous's 50%. Luminous's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Tan Timer & Tracker sells 2 in-app purchases, starting at $2.99 per month and Luminous sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Tan Timer & Tracker ships an update every 9 days, Luminous every 10 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Tan Timer & Tracker | Luminous |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/luminous-uv-index-tracking/id6746096003/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 109 MB | 15 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CARLOS FELIPE GARCIA MURILLO](https://appshunter.io/developer/1740440820) | [Trevor Grady](https://appshunter.io/developer/1441211990) |

## What reviewers say

### Tan Timer & Tracker

[App page](https://appshunter.io/ios/app/tan-timer-and-tracker-uvbuddy/id6745769252)

This app monitors UV levels in real-time and provides hourly forecasts up to 7 days. It offers personalized advice based on skin type, smart background timers for sun exposure, and intelligent alerts for changing UV conditions. Create family profiles with custom settings for everyone's safety.

**Highlights:** Real-time UV index monitoring, 7-day UV index forecasts, Smart sun exposure timers, Personalized skin type advice, Family profiles, Apple Watch app and widgets, Intelligent UV alerts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $2.99 | per month |
| Unlimited Access | $29.99 | per year |


### Luminous

[App page](https://appshunter.io/ios/app/luminous-uv-index-tracking/id6746096003)

This app tracks real-time UV levels and your daily sun exposure to help you protect your skin and stay healthy. It offers smart notifications and integrates with Apple Health for comprehensive wellness tracking.

**Highlights:** Real-time UV measurement, Automatic exposure tracking, Smart UV notifications, Apple Health integration, Winter sun exposure tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $2.99 | per month |
| Luminous Plus Annual | $12.99 | per year |
| Annual | $12.99 | per year |


## Frequently asked questions

### Is Tan Timer & Tracker free?

Tan Timer & Tracker is free to download, with in-app purchases available.

### Is Luminous free?

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

### Do Tan Timer & Tracker or Luminous have ads?

Neither Tan Timer & Tracker nor Luminous shows ads.

### Which is updated more often, Tan Timer & Tracker or Luminous?

Tan Timer & Tracker ships an update every 9 days, and Luminous every 10 days. Most recently, Tan Timer & Tracker was updated on October 30, 2026 and Luminous on October 30, 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.*