# SolWalks vs SunSync

The clearest difference is in-app purchases: SolWalks at none against SunSync's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SunSync sells 2 in-app purchases, starting at $1.99 per year. SolWalks asks for nothing beyond the download.

SolWalks ships an update every 2 weeks, SunSync every 3 weeks. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SolWalks | SunSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 4 MB | 22 MB |
| Requires iOS | **16.2** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Evgeniy Basistyi](https://appshunter.io/developer/1485868532) | [Marta Rodriguez](https://appshunter.io/developer/1873973295) |

## What reviewers say

### SolWalks

[App page](https://appshunter.io/ios/app/solwalks/id6449439493)

**Features:** macOS Compatibility

**In-app purchases:** none


### SunSync

[App page](https://appshunter.io/ios/app/sunsync-circadian-tracker/id6762293528)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Year | $1.99 | per year |
| Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is SolWalks free?

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

### Is SunSync free?

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

### Do SolWalks or SunSync have ads?

Neither SolWalks nor SunSync shows ads.

### Which is updated more often, SolWalks or SunSync?

SolWalks ships an update every 2 weeks, and SunSync every 3 weeks. Most recently, SolWalks was updated on September 12, 2026 and SunSync on September 9, 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.*