# SunAlly vs 经落

The clearest difference is review sentiment: 经落 at 100% against SunAlly's 60%. 经落 also leads on rating (4.0 vs 3.5). SunAlly's advantage is ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. SunAlly sells 3 in-app purchases, starting at $4.99 per month and 经落 sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

经落 holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 11 and 4 respectively. Written reviews point the same way: 60% of SunAlly's written reviews are positive against 100% of 经落's.

SunAlly ships an update weekly, 经落 every 4 days. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | SunAlly | 经落 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (11 ratings)](https://appshunter.io/ios/app/sunally/id6740318671/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/id6741205168/reviews)** |
| Number of ratings | **11** | 4 |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 58 MB | 25 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Hangzhou Freedom Note Artificial Intelligence Technology Co., Ltd](https://appshunter.io/developer/1705653748) | [伟懿 王](https://appshunter.io/developer/1787812746) |

## What reviewers say

### SunAlly

[App page](https://appshunter.io/ios/app/sunally/id6740318671)

This app helps you optimize your time outdoors for health benefits like vitamin D synthesis and improved well-being. It provides personalized recommendations, real-time UV monitoring, and smart reminders for safe and beneficial sun exposure.

**Highlights:** Optimal outdoor activity time recommendations, Real-time UV level monitoring, Smart UV risk prevention reminders, Vitamin D synthesis estimation, Personalized health recommendations, Apple Health integration, HRV stress monitoring

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium SunAlly HRV Monthly | $4.99 | per month |
| Premium SunAlly HRV Yearly | $19.99 | per year |
| Premium SunAlly HRV Lifetime | $29.99 | one-time |


### 经落

[App page](https://appshunter.io/ios/app/id6741205168)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 经落 | $3.99 | per month |
| 经落 | $14.99 | per year |
| 经落 | $14.99 | per year |


## Frequently asked questions

### Is SunAlly free?

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

### Is 经落 free?

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

### Which has better reviews, SunAlly or 经落?

经落 is rated higher. SunAlly averages 3.5 out of 5 from 11 ratings, while 经落 averages 4.0 from 4 ratings.

### Do SunAlly or 经落 have ads?

经落 shows ads; SunAlly does not.

### Which is updated more often, SunAlly or 经落?

SunAlly ships an update weekly, and 经落 every 4 days. Most recently, SunAlly was updated on October 21, 2026 and 经落 on October 20, 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.*