# Sun Exposure Time in Daylight vs Coherent

The clearest difference is rating: Coherent at 5.0 against Sun Exposure Time in Daylight's 3.5. Coherent also leads on update cadence (every 3 days vs every 6 weeks). Sun Exposure Time in Daylight's advantage is iOS requirement (13.0 vs 18.5). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Coherent holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Sun Exposure Time in Daylight ships an update every 6 weeks, Coherent every 3 days. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sun Exposure Time in Daylight | Coherent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/sun-exposure-time-in-daylight/id6749501952/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/coherent/id6749607982/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Size | 1 MB | 2 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alvaro Garcia Pizarro](https://appshunter.io/developer/1822790774) | [Keenan Fitzmorris](https://appshunter.io/developer/1830392724) |

## What reviewers say

### Sun Exposure Time in Daylight

[App page](https://appshunter.io/ios/app/sun-exposure-time-in-daylight/id6749501952)

Monitor your daily outdoor light exposure to enhance mood, sleep, and vitamin D levels. This app helps you balance time in sunlight and shade, offering smart reminders and tracking your progress over time.

**Highlights:** Outdoor time tracking, HealthKit integration, Daily & weekly trends, Set target goals, Smart reminders, Private data storage

**In-app purchases:** none


### Coherent

[App page](https://appshunter.io/ios/app/coherent/id6749607982)

This minimalist app guides users through two core breathing techniques to promote calm, focus, and nervous system regulation. It offers a privacy-first, offline experience with no data collection, ads, or subscriptions.

**Highlights:** Box Breathing technique, Mountain Breathing technique, Nervous system regulation, Mind-body alignment, Privacy-first design, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sun Exposure Time in Daylight free?

Sun Exposure Time in Daylight is free to download, with no in-app purchases.

### Is Coherent free?

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

### Which has better reviews, Sun Exposure Time in Daylight or Coherent?

Coherent is rated higher. Sun Exposure Time in Daylight averages 3.5 out of 5 from 2 ratings, while Coherent averages 5.0 from 1 ratings.

### Do Sun Exposure Time in Daylight or Coherent have ads?

Neither Sun Exposure Time in Daylight nor Coherent shows ads.

### Which is updated more often, Sun Exposure Time in Daylight or Coherent?

Sun Exposure Time in Daylight ships an update every 6 weeks, and Coherent every 3 days. Most recently, Sun Exposure Time in Daylight was updated on November 5, 2026 and Coherent 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.*