# SunAlly vs Balance Tone

The clearest difference is in-app purchases: Balance Tone at none against SunAlly's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SunAlly sells 3 in-app purchases, starting at $4.99 per month. Balance Tone asks for nothing beyond the download.

## The numbers

| Metric | SunAlly | Balance Tone |
| --- | --- | --- |
| Price | Free | Free |
| 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 | — |
| Monetization | Freemium | — |
| Size | 58 MB | 19 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Hangzhou Freedom Note Artificial Intelligence Technology Co., Ltd](https://appshunter.io/developer/1705653748) | [yicheng zhang](https://appshunter.io/developer/1555709117) |

## 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 |


### Balance Tone

[App page](https://appshunter.io/ios/app/balance-tone/id6746692931)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SunAlly free?

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

### Is Balance Tone free?

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

### Do SunAlly or Balance Tone have ads?

Neither SunAlly nor Balance Tone shows ads.

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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.*