# Celestial AI Agent vs Sun Light

The clearest difference is ads: Sun Light at none against Celestial AI Agent's shown. Sun Light also leads on monetization model (free vs free with in-app purchases) and update cadence (every 8 days vs every 6 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Celestial AI Agent sells 2 in-app purchases, starting at $5.99 per month and Sun Light sells 3 in-app purchases, starting at $24.99 per year. Whichever you choose, the download price is not the number that matters.

Sun Light holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Celestial AI Agent ships an update every 6 weeks, Sun Light every 8 days. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Celestial AI Agent | Sun Light |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/celestial-ai-agent/id6743806254/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/sun-light-daylight-tracker/id6760528131/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 754 MB | 6 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [尔为 陈](https://appshunter.io/developer/1802361591) | [JAMES JAY QUACKENBUSH](https://appshunter.io/developer/1884817957) |

## What reviewers say

### Celestial AI Agent

[App page](https://appshunter.io/ios/app/celestial-ai-agent/id6743806254)

This app offers a unique approach to emotional well-being by acting as an intelligent companion that senses and understands your emotional state. It guides you towards stability and clarity through personalized support, integrating biometric signals and sound design into your daily life.

**Highlights:** AI emotional regulation, Biometric signal integration, Personalized emotional support, Intelligent companionship, Seamless daily integration, Proactive healing environment

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $5.99 | per month |
| Yearly Membership Subscription | $59.99 | per year |


### Sun Light

[App page](https://appshunter.io/ios/app/sun-light-daylight-tracker/id6760528131)

Track your daily sunlight exposure with this simple app. It uses your Apple Watch data to fill a daily progress ring, track streaks, and show your history. Enjoy a straightforward approach to monitoring your time spent outdoors.

**Highlights:** Daily daylight progress ring, Streak tracking, 7-day history chart, Morning, afternoon, and evening breakdown, Custom daily goal, Sunrise and sunset times, Home and lock screen widgets

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sun Light Pro | $24.99 | per year |
| Tip | $4.99 | one-time |
| Sun Light Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Celestial AI Agent free?

Celestial AI Agent is free to download, with in-app purchases available.

### Is Sun Light free?

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

### Which has better reviews, Celestial AI Agent or Sun Light?

Sun Light is rated higher. Celestial AI Agent averages 4.5 out of 5 from 2 ratings, while Sun Light averages 4.7 from 3 ratings.

### Do Celestial AI Agent or Sun Light have ads?

Celestial AI Agent shows ads; Sun Light does not.

### Which is updated more often, Celestial AI Agent or Sun Light?

Celestial AI Agent ships an update every 6 weeks, and Sun Light every 8 days. Most recently, Celestial AI Agent was updated on October 16, 2026 and Sun Light on October 24, 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.*