# SunAlly vs 嘌查查

The clearest difference is price: SunAlly at Free against 嘌查查's $0.99. 嘌查查's advantage is in-app purchases (none vs 3) and update cadence (daily vs weekly). On ads and device support there is nothing between them.

SunAlly is free to download; 嘌查查 costs $0.99 up front. SunAlly sells 3 in-app purchases, starting at $4.99 per month. 嘌查查 asks for nothing beyond the download.

SunAlly ships an update weekly, 嘌查查 daily. The most recent releases landed on October 21, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SunAlly | 嘌查查 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.5 (11 ratings)](https://appshunter.io/ios/app/sunally/id6740318671/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Freemium | — |
| Size | 58 MB | 60 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Freedom Note Artificial Intelligence Technology Co., Ltd](https://appshunter.io/developer/1705653748) | [Fangtangjun (Chongqing) Technology Co., Ltd.](https://appshunter.io/developer/883562742) |

## 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 |


### 嘌查查

[App page](https://appshunter.io/ios/app/id6740797678)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SunAlly free?

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

### Is 嘌查查 free?

嘌查查 costs $0.99, with no in-app purchases.

### Do SunAlly or 嘌查查 have ads?

Neither SunAlly nor 嘌查查 shows ads.

### Which is updated more often, SunAlly or 嘌查查?

SunAlly ships an update weekly, and 嘌查查 daily. Most recently, SunAlly was updated on October 21, 2026 and 嘌查查 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.*